diff --git a/[refs] b/[refs] index 2d813c0662f6..6edf47246834 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: cd17cbfda004fe5f406c01b318c6378d9895896f +refs/heads/master: c6538499814d8112c5d4d08570a7cf0758e5f8f5 diff --git a/trunk/arch/alpha/include/asm/percpu.h b/trunk/arch/alpha/include/asm/percpu.h index e9e0bb5a23bf..06c5c7a4afd3 100644 --- a/trunk/arch/alpha/include/asm/percpu.h +++ b/trunk/arch/alpha/include/asm/percpu.h @@ -1,7 +1,9 @@ #ifndef __ALPHA_PERCPU_H #define __ALPHA_PERCPU_H + #include #include +#include /* * Determine the real variable name from the name visible in the @@ -73,6 +75,28 @@ extern unsigned long __per_cpu_offset[NR_CPUS]; #endif /* SMP */ -#include +#ifdef CONFIG_SMP +#define PER_CPU_BASE_SECTION ".data.percpu" +#else +#define PER_CPU_BASE_SECTION ".data" +#endif + +#ifdef CONFIG_SMP + +#ifdef MODULE +#define PER_CPU_SHARED_ALIGNED_SECTION "" +#else +#define PER_CPU_SHARED_ALIGNED_SECTION ".shared_aligned" +#endif +#define PER_CPU_FIRST_SECTION ".first" + +#else + +#define PER_CPU_SHARED_ALIGNED_SECTION "" +#define PER_CPU_FIRST_SECTION "" + +#endif + +#define PER_CPU_ATTRIBUTES #endif /* __ALPHA_PERCPU_H */ diff --git a/trunk/arch/cris/Makefile b/trunk/arch/cris/Makefile index 3662cfb7b61d..71e17d3eeddb 100644 --- a/trunk/arch/cris/Makefile +++ b/trunk/arch/cris/Makefile @@ -70,7 +70,7 @@ SRC_ARCH = $(srctree)/arch/cris # cris object files path OBJ_ARCH = $(objtree)/arch/cris -boot := arch/cris/$(SARCH)/boot +boot := arch/cris/boot MACHINE := arch/cris/$(SARCH) all: zImage @@ -81,15 +81,15 @@ zImage Image: vmlinux archprepare: archclean: - $(Q)if [ -e arch/cris/$(SARCH)/boot ]; then \ - $(MAKE) $(clean)=arch/cris/$(SARCH)/boot; \ + $(Q)if [ -e arch/cris/boot ]; then \ + $(MAKE) $(clean)=arch/cris/boot; \ fi CLEAN_FILES += \ - $(MACHINE)/boot/zImage \ - $(MACHINE)/boot/compressed/decompress.bin \ - $(MACHINE)/boot/compressed/piggy.gz \ - $(MACHINE)/boot/rescue/rescue.bin + $(boot)/zImage \ + $(boot)/compressed/decompress.bin \ + $(boot)/compressed/piggy.gz \ + $(boot)/rescue/rescue.bin # MRPROPER_FILES += diff --git a/trunk/arch/cris/arch-v10/boot/compressed/README b/trunk/arch/cris/arch-v10/boot/compressed/README deleted file mode 100644 index 48b3db9924b9..000000000000 --- a/trunk/arch/cris/arch-v10/boot/compressed/README +++ /dev/null @@ -1,25 +0,0 @@ -Creation of the self-extracting compressed kernel image (vmlinuz) ------------------------------------------------------------------ -$Id: README,v 1.1 2001/12/17 13:59:27 bjornw Exp $ - -This can be slightly confusing because it's a process with many steps. - -The kernel object built by the arch/etrax100/Makefile, vmlinux, is split -by that makefile into text and data binary files, vmlinux.text and -vmlinux.data. - -Those files together with a ROM filesystem can be catted together and -burned into a flash or executed directly at the DRAM origin. - -They can also be catted together and compressed with gzip, which is what -happens in this makefile. Together they make up piggy.img. - -The decompressor is built into the file decompress.o. It is turned into -the binary file decompress.bin, which is catted together with piggy.img -into the file vmlinuz. It can be executed in an arbitrary place in flash. - -Be careful - it assumes some things about free locations in DRAM. It -assumes the DRAM starts at 0x40000000 and that it is at least 8 MB, -so it puts its code at 0x40700000, and initial stack at 0x40800000. - --Bjorn diff --git a/trunk/arch/cris/arch-v10/boot/compressed/misc.c b/trunk/arch/cris/arch-v10/boot/compressed/misc.c deleted file mode 100644 index a4db1507d3b1..000000000000 --- a/trunk/arch/cris/arch-v10/boot/compressed/misc.c +++ /dev/null @@ -1,246 +0,0 @@ -/* - * misc.c - * - * This is a collection of several routines from gzip-1.0.3 - * adapted for Linux. - * - * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994 - * puts by Nick Holloway 1993, better puts by Martin Mares 1995 - * adaptation for Linux/CRIS Axis Communications AB, 1999 - * - */ - -/* where the piggybacked kernel image expects itself to live. - * it is the same address we use when we network load an uncompressed - * image into DRAM, and it is the address the kernel is linked to live - * at by vmlinux.lds.S - */ - -#define KERNEL_LOAD_ADR 0x40004000 - - -#include -#include - -/* - * gzip declarations - */ - -#define OF(args) args -#define STATIC static - -void *memset(void *s, int c, size_t n); -void *memcpy(void *__dest, __const void *__src, size_t __n); - -#define memzero(s, n) memset((s), 0, (n)) - -typedef unsigned char uch; -typedef unsigned short ush; -typedef unsigned long ulg; - -#define WSIZE 0x8000 /* Window size must be at least 32k, */ - /* and a power of two */ - -static uch *inbuf; /* input buffer */ -static uch window[WSIZE]; /* Sliding window buffer */ - -unsigned inptr = 0; /* index of next byte to be processed in inbuf - * After decompression it will contain the - * compressed size, and head.S will read it. - */ - -static unsigned outcnt = 0; /* bytes in output buffer */ - -/* gzip flag byte */ -#define ASCII_FLAG 0x01 /* bit 0 set: file probably ascii text */ -#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */ -#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */ -#define ORIG_NAME 0x08 /* bit 3 set: original file name present */ -#define COMMENT 0x10 /* bit 4 set: file comment present */ -#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */ -#define RESERVED 0xC0 /* bit 6,7: reserved */ - -#define get_byte() (inbuf[inptr++]) - -/* Diagnostic functions */ -#ifdef DEBUG -# define Assert(cond, msg) do { \ - if (!(cond)) \ - error(msg); \ - } while (0) -# define Trace(x) fprintf x -# define Tracev(x) do { \ - if (verbose) \ - fprintf x; \ - } while (0) -# define Tracevv(x) do { \ - if (verbose > 1) \ - fprintf x; \ - } while (0) -# define Tracec(c, x) do { \ - if (verbose && (c)) \ - fprintf x; \ - } while (0) -# define Tracecv(c, x) do { \ - if (verbose > 1 && (c)) \ - fprintf x; \ - } while (0) -#else -# define Assert(cond, msg) -# define Trace(x) -# define Tracev(x) -# define Tracevv(x) -# define Tracec(c, x) -# define Tracecv(c, x) -#endif - -static void flush_window(void); -static void error(char *m); - -extern char *input_data; /* lives in head.S */ - -static long bytes_out = 0; -static uch *output_data; -static unsigned long output_ptr = 0; -static void puts(const char *); - -/* the "heap" is put directly after the BSS ends, at end */ - -extern int _end; -static long free_mem_ptr = (long)&_end; -static long free_mem_end_ptr; - -#include "../../../../../lib/inflate.c" - -/* decompressor info and error messages to serial console */ - -static void -puts(const char *s) -{ -#ifndef CONFIG_ETRAX_DEBUG_PORT_NULL - while (*s) { -#ifdef CONFIG_ETRAX_DEBUG_PORT0 - while (!(*R_SERIAL0_STATUS & (1 << 5))) ; - *R_SERIAL0_TR_DATA = *s++; -#endif -#ifdef CONFIG_ETRAX_DEBUG_PORT1 - while (!(*R_SERIAL1_STATUS & (1 << 5))) ; - *R_SERIAL1_TR_DATA = *s++; -#endif -#ifdef CONFIG_ETRAX_DEBUG_PORT2 - while (!(*R_SERIAL2_STATUS & (1 << 5))) ; - *R_SERIAL2_TR_DATA = *s++; -#endif -#ifdef CONFIG_ETRAX_DEBUG_PORT3 - while (!(*R_SERIAL3_STATUS & (1 << 5))) ; - *R_SERIAL3_TR_DATA = *s++; -#endif - } -#endif -} - -void *memset(void *s, int c, size_t n) -{ - int i; - char *ss = (char *)s; - - for (i = 0; i < n; i++) - ss[i] = c; - - return s; -} - -void *memcpy(void *__dest, __const void *__src, size_t __n) -{ - int i; - char *d = (char *)__dest, *s = (char *)__src; - - for (i = 0; i < __n; i++) - d[i] = s[i]; - - return __dest; -} - -/* =========================================================================== - * Write the output window window[0..outcnt-1] and update crc and bytes_out. - * (Used for the decompressed data only.) - */ - -static void flush_window(void) -{ - ulg c = crc; /* temporary variable */ - unsigned n; - uch *in, *out, ch; - - in = window; - out = &output_data[output_ptr]; - for (n = 0; n < outcnt; n++) { - ch = *out = *in; - out++; - in++; - c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8); - } - crc = c; - bytes_out += (ulg)outcnt; - output_ptr += (ulg)outcnt; - outcnt = 0; -} - -static void error(char *x) -{ - puts("\n\n"); - puts(x); - puts("\n\n -- System halted\n"); - - while (1); /* Halt */ -} - -void setup_normal_output_buffer(void) -{ - output_data = (char *)KERNEL_LOAD_ADR; -} - -void decompress_kernel(void) -{ - char revision; - - /* input_data is set in head.S */ - inbuf = input_data; - -#ifdef CONFIG_ETRAX_DEBUG_PORT0 - *R_SERIAL0_XOFF = 0; - *R_SERIAL0_BAUD = 0x99; - *R_SERIAL0_TR_CTRL = 0x40; -#endif -#ifdef CONFIG_ETRAX_DEBUG_PORT1 - *R_SERIAL1_XOFF = 0; - *R_SERIAL1_BAUD = 0x99; - *R_SERIAL1_TR_CTRL = 0x40; -#endif -#ifdef CONFIG_ETRAX_DEBUG_PORT2 - *R_GEN_CONFIG = 0x08; - *R_SERIAL2_XOFF = 0; - *R_SERIAL2_BAUD = 0x99; - *R_SERIAL2_TR_CTRL = 0x40; -#endif -#ifdef CONFIG_ETRAX_DEBUG_PORT3 - *R_GEN_CONFIG = 0x100; - *R_SERIAL3_XOFF = 0; - *R_SERIAL3_BAUD = 0x99; - *R_SERIAL3_TR_CTRL = 0x40; -#endif - - setup_normal_output_buffer(); - - makecrc(); - - __asm__ volatile ("move $vr,%0" : "=rm" (revision)); - if (revision < 10) { - puts("You need an ETRAX 100LX to run linux 2.6\n"); - while (1); - } - - puts("Uncompressing Linux...\n"); - gunzip(); - puts("Done. Now booting the kernel.\n"); -} diff --git a/trunk/arch/cris/arch-v10/kernel/entry.S b/trunk/arch/cris/arch-v10/kernel/entry.S index 72f5cd319b97..2c18d08cd913 100644 --- a/trunk/arch/cris/arch-v10/kernel/entry.S +++ b/trunk/arch/cris/arch-v10/kernel/entry.S @@ -536,10 +536,10 @@ multiple_interrupt: movem $r13, [$sp] push $r10 ; push orig_r10 clear.d [$sp=$sp-4] ; frametype == 0, normal frame - + move.d $sp, $r10 jsr do_multiple_IRQ - + jump ret_from_intr do_sigtrap: @@ -585,7 +585,7 @@ _ugdb_handle_breakpoint: pop $r0 ; Restore r0. ba do_sigtrap ; SIGTRAP the offending process. pop $dccr ; Restore dccr in delay slot. - + .global kernel_execve kernel_execve: move.d __NR_execve, $r9 @@ -929,6 +929,14 @@ sys_call_table: .long sys_fallocate .long sys_timerfd_settime /* 325 */ .long sys_timerfd_gettime + .long sys_signalfd4 + .long sys_eventfd2 + .long sys_epoll_create1 + .long sys_dup3 /* 330 */ + .long sys_pipe2 + .long sys_inotify_init1 + .long sys_preadv + .long sys_pwritev /* * NOTE!! This doesn't have to be exact - we just have diff --git a/trunk/arch/cris/arch-v32/boot/Makefile b/trunk/arch/cris/arch-v32/boot/Makefile deleted file mode 100644 index 99896ad60b30..000000000000 --- a/trunk/arch/cris/arch-v32/boot/Makefile +++ /dev/null @@ -1,20 +0,0 @@ -# -# arch/cris/arch-v32/boot/Makefile -# - -OBJCOPYFLAGS = -O binary -R .note -R .comment - -subdir- := compressed rescue -targets := Image - -$(obj)/Image: vmlinux FORCE - $(call if_changed,objcopy) - @echo ' Kernel: $@ is ready' - -$(obj)/compressed/vmlinux: $(obj)/Image FORCE - $(Q)$(MAKE) $(build)=$(obj)/compressed $@ - $(Q)$(MAKE) $(build)=$(obj)/rescue $(obj)/rescue/rescue.bin - -$(obj)/zImage: $(obj)/compressed/vmlinux - @cp $< $@ - @echo ' Kernel: $@ is ready' diff --git a/trunk/arch/cris/arch-v32/boot/compressed/Makefile b/trunk/arch/cris/arch-v32/boot/compressed/Makefile deleted file mode 100644 index e176b8b69d92..000000000000 --- a/trunk/arch/cris/arch-v32/boot/compressed/Makefile +++ /dev/null @@ -1,26 +0,0 @@ -# -# arch/cris/arch-v32/boot/compressed/Makefile -# - -asflags-y += -I$(srctree)/include/asm/mach/ -I$(srctree)/include/asm/arch -ccflags-y += -O2 -I$(srctree)/include/asm/mach/ -I$(srctree)/include/asm/arch -ldflags-y += -T$(srctree)/$(src)/decompress.lds -OBJECTS = $(obj)/head.o $(obj)/misc.o -OBJCOPYFLAGS = -O binary --remove-section=.bss - -quiet_cmd_image = BUILD $@ -cmd_image = cat $(obj)/decompress.bin $(obj)/piggy.gz > $@ - -targets := vmlinux piggy.gz decompress.o decompress.bin - -$(obj)/decompress.o: $(OBJECTS) FORCE - $(call if_changed,ld) - -$(obj)/decompress.bin: $(obj)/decompress.o FORCE - $(call if_changed,objcopy) - -$(obj)/vmlinux: $(obj)/piggy.gz $(obj)/decompress.bin FORCE - $(call if_changed,image) - -$(obj)/piggy.gz: $(obj)/../Image FORCE - $(call if_changed,gzip) diff --git a/trunk/arch/cris/arch-v32/boot/rescue/Makefile b/trunk/arch/cris/arch-v32/boot/rescue/Makefile deleted file mode 100644 index 566aac663a38..000000000000 --- a/trunk/arch/cris/arch-v32/boot/rescue/Makefile +++ /dev/null @@ -1,26 +0,0 @@ -# -# Makefile for rescue (bootstrap) code -# - -CC = gcc-cris -mlinux -march=v32 $(LINUXINCLUDE) -ccflags-y += -O2 -I $(srctree)/include/asm/arch/mach/ \ - -I $(srctree)/include/asm/arch -asflags-y += -I $(srctree)/include/asm/arch/mach/ -I $(srctree)/include/asm/arch -LD = gcc-cris -mlinux -march=v32 -nostdlib -ldflags-y += -T $(srctree)/$(src)/rescue.lds -LDPOSTFLAGS = -lgcc -OBJCOPYFLAGS = -O binary --remove-section=.bss -obj-$(CONFIG_ETRAX_AXISFLASHMAP) = head.o -OBJECT := $(obj)/head.o - -targets := rescue.o rescue.bin - -quiet_cmd_ldlibgcc = LD $@ -cmd_ldlibgcc = $(LD) $(LDFLAGS) $(filter-out FORCE,$^) $(LDPOSTFLAGS) -o $@ - -$(obj)/rescue.o: $(OBJECTS) FORCE - $(call if_changed,ldlibgcc) - -$(obj)/rescue.bin: $(obj)/rescue.o FORCE - $(call if_changed,objcopy) - cp -p $(obj)/rescue.bin $(objtree) diff --git a/trunk/arch/cris/arch-v32/drivers/mach-a3/gpio.c b/trunk/arch/cris/arch-v32/drivers/mach-a3/gpio.c index 7a87bc0ae2e8..97357cfd17bb 100644 --- a/trunk/arch/cris/arch-v32/drivers/mach-a3/gpio.c +++ b/trunk/arch/cris/arch-v32/drivers/mach-a3/gpio.c @@ -681,7 +681,7 @@ static int virtual_gpio_ioctl(struct file *file, unsigned int cmd, shadow |= ~readl(dir_oe[priv->minor]) | (arg & changeable_bits[priv->minor]); i2c_write(VIRT_I2C_ADDR, (void *)&shadow, sizeof(shadow)); - spin_lock_irqrestore(&gpio_lock, flags); + spin_unlock_irqrestore(&gpio_lock, flags); break; case IO_CLRBITS: spin_lock_irqsave(&gpio_lock, flags); @@ -690,7 +690,7 @@ static int virtual_gpio_ioctl(struct file *file, unsigned int cmd, shadow |= ~readl(dir_oe[priv->minor]) & ~(arg & changeable_bits[priv->minor]); i2c_write(VIRT_I2C_ADDR, (void *)&shadow, sizeof(shadow)); - spin_lock_irqrestore(&gpio_lock, flags); + spin_unlock_irqrestore(&gpio_lock, flags); break; case IO_HIGHALARM: /* Set alarm when bits with 1 in arg go high. */ diff --git a/trunk/arch/cris/arch-v32/kernel/Makefile b/trunk/arch/cris/arch-v32/kernel/Makefile index 993d987b0078..40358355d0cb 100644 --- a/trunk/arch/cris/arch-v32/kernel/Makefile +++ b/trunk/arch/cris/arch-v32/kernel/Makefile @@ -9,8 +9,6 @@ obj-y := entry.o traps.o irq.o debugport.o \ process.o ptrace.o setup.o signal.o traps.o time.o \ cache.o cacheflush.o -obj-$(CONFIG_ETRAXFS_SIM) += vcs_hook.o - obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_ETRAX_KGDB) += kgdb.o kgdb_asm.o obj-$(CONFIG_ETRAX_FAST_TIMER) += fasttimer.o diff --git a/trunk/arch/cris/arch-v32/kernel/entry.S b/trunk/arch/cris/arch-v32/kernel/entry.S index 5e674c8f7c51..435b9671bd4b 100644 --- a/trunk/arch/cris/arch-v32/kernel/entry.S +++ b/trunk/arch/cris/arch-v32/kernel/entry.S @@ -852,6 +852,14 @@ sys_call_table: .long sys_fallocate .long sys_timerfd_settime /* 325 */ .long sys_timerfd_gettime + .long sys_signalfd4 + .long sys_eventfd2 + .long sys_epoll_create1 + .long sys_dup3 /* 330 */ + .long sys_pipe2 + .long sys_inotify_init1 + .long sys_preadv + .long sys_pwritev /* * NOTE!! This doesn't have to be exact - we just have diff --git a/trunk/arch/cris/arch-v10/boot/.gitignore b/trunk/arch/cris/boot/.gitignore similarity index 100% rename from trunk/arch/cris/arch-v10/boot/.gitignore rename to trunk/arch/cris/boot/.gitignore diff --git a/trunk/arch/cris/arch-v10/boot/Makefile b/trunk/arch/cris/boot/Makefile similarity index 65% rename from trunk/arch/cris/arch-v10/boot/Makefile rename to trunk/arch/cris/boot/Makefile index 217203014433..144f3afa0119 100644 --- a/trunk/arch/cris/arch-v10/boot/Makefile +++ b/trunk/arch/cris/boot/Makefile @@ -1,8 +1,12 @@ # -# arch/cris/arch-v10/boot/Makefile +# arch/cris/boot/Makefile # -OBJCOPYFLAGS = -O binary --remove-section=.bss +objcopyflags-$(CONFIG_ETRAX_ARCH_V10) += -R .note -R .comment +objcopyflags-$(CONFIG_ETRAX_ARCH_V32) += --remove-section=.bss + +OBJCOPYFLAGS = -O binary $(objcopyflags-y) + subdir- := compressed rescue targets := Image diff --git a/trunk/arch/cris/arch-v10/boot/compressed/Makefile b/trunk/arch/cris/boot/compressed/Makefile similarity index 50% rename from trunk/arch/cris/arch-v10/boot/compressed/Makefile rename to trunk/arch/cris/boot/compressed/Makefile index 6fe0ffaf3be6..8fe9338c1775 100644 --- a/trunk/arch/cris/arch-v10/boot/compressed/Makefile +++ b/trunk/arch/cris/boot/compressed/Makefile @@ -1,11 +1,23 @@ # -# arch/cris/arch-v10/boot/compressed/Makefile +# arch/cris/boot/compressed/Makefile # asflags-y += $(LINUXINCLUDE) ccflags-y += -O2 $(LINUXINCLUDE) -ldflags-y += -T $(srctree)/$(src)/decompress.lds -OBJECTS = $(obj)/head.o $(obj)/misc.o + +# asflags-$(CONFIG_ETRAX_ARCH_V32) += -I$(srctree)/include/asm/mach \ +# -I$(srctree)/include/asm/arch +# ccflags-$(CONFIG_ETRAX_ARCH_V32) += -O2 -I$(srctree)/include/asm/mach +# -I$(srctree)/include/asm/arch + +arch-$(CONFIG_ETRAX_ARCH_V10) = v10 +arch-$(CONFIG_ETRAX_ARCH_V32) = v32 + +ldflags-y += -T $(srctree)/$(src)/decompress_$(arch-y).lds + +OBJECTS-$(CONFIG_ETRAX_ARCH_V32) = $(obj)/head_v32.o +OBJECTS-$(CONFIG_ETRAX_ARCH_V10) = $(obj)/head_v10.o +OBJECTS= $(OBJECTS-y) $(obj)/misc.o OBJCOPYFLAGS = -O binary --remove-section=.bss quiet_cmd_image = BUILD $@ @@ -24,4 +36,3 @@ $(obj)/vmlinux: $(obj)/piggy.gz $(obj)/decompress.bin FORCE $(obj)/piggy.gz: $(obj)/../Image FORCE $(call if_changed,gzip) - diff --git a/trunk/arch/cris/arch-v32/boot/compressed/README b/trunk/arch/cris/boot/compressed/README similarity index 100% rename from trunk/arch/cris/arch-v32/boot/compressed/README rename to trunk/arch/cris/boot/compressed/README diff --git a/trunk/arch/cris/arch-v10/boot/compressed/decompress.lds b/trunk/arch/cris/boot/compressed/decompress_v10.lds similarity index 100% rename from trunk/arch/cris/arch-v10/boot/compressed/decompress.lds rename to trunk/arch/cris/boot/compressed/decompress_v10.lds diff --git a/trunk/arch/cris/arch-v32/boot/compressed/decompress.lds b/trunk/arch/cris/boot/compressed/decompress_v32.lds similarity index 100% rename from trunk/arch/cris/arch-v32/boot/compressed/decompress.lds rename to trunk/arch/cris/boot/compressed/decompress_v32.lds diff --git a/trunk/arch/cris/arch-v10/boot/compressed/head.S b/trunk/arch/cris/boot/compressed/head_v10.S similarity index 97% rename from trunk/arch/cris/arch-v10/boot/compressed/head.S rename to trunk/arch/cris/boot/compressed/head_v10.S index 0bb4dcc29254..9edb8ade7e1f 100644 --- a/trunk/arch/cris/arch-v10/boot/compressed/head.S +++ b/trunk/arch/cris/boot/compressed/head_v10.S @@ -30,7 +30,7 @@ beq dram_init_finished nop -#include "../../lib/dram_init.S" +#include "../../arch-v10/lib/dram_init.S" dram_init_finished: @@ -123,4 +123,4 @@ _cmd_line_magic: .dword 0 _cmd_line_addr: .dword 0 -#include "../../lib/hw_settings.S" +#include "../../arch-v10/lib/hw_settings.S" diff --git a/trunk/arch/cris/arch-v32/boot/compressed/head.S b/trunk/arch/cris/boot/compressed/head_v32.S similarity index 94% rename from trunk/arch/cris/arch-v32/boot/compressed/head.S rename to trunk/arch/cris/boot/compressed/head_v32.S index a4a65c5c669e..f483005f3d48 100644 --- a/trunk/arch/cris/arch-v32/boot/compressed/head.S +++ b/trunk/arch/cris/boot/compressed/head_v32.S @@ -17,7 +17,7 @@ .globl input_data .text -_start: +start: di ;; Start clocks for used blocks. @@ -29,9 +29,9 @@ _start: nop #if defined CONFIG_ETRAXFS -#include "../../mach-fs/dram_init.S" +#include "../../arch-v32/mach-fs/dram_init.S" #elif defined CONFIG_CRIS_MACH_ARTPEC3 -#include "../../mach-a3/dram_init.S" +#include "../../arch-v32/mach-a3/dram_init.S" #else #error Only ETRAXFS and ARTPEC-3 supported! #endif @@ -137,9 +137,9 @@ _boot_source: .dword 0 #if defined CONFIG_ETRAXFS -#include "../../mach-fs/hw_settings.S" +#include "../../arch-v32/mach-fs/hw_settings.S" #elif defined CONFIG_CRIS_MACH_ARTPEC3 -#include "../../mach-a3/hw_settings.S" +#include "../../arch-v32/mach-a3/hw_settings.S" #else #error Only ETRAXFS and ARTPEC-3 supported! #endif diff --git a/trunk/arch/cris/arch-v32/boot/compressed/misc.c b/trunk/arch/cris/boot/compressed/misc.c similarity index 65% rename from trunk/arch/cris/arch-v32/boot/compressed/misc.c rename to trunk/arch/cris/boot/compressed/misc.c index 3595e16e82bc..47bc190ba6d4 100644 --- a/trunk/arch/cris/arch-v32/boot/compressed/misc.c +++ b/trunk/arch/cris/boot/compressed/misc.c @@ -18,8 +18,9 @@ #define KERNEL_LOAD_ADR 0x40004000 - #include + +#ifdef CONFIG_ETRAX_ARCH_V32 #include #include #include @@ -27,6 +28,9 @@ #ifdef CONFIG_CRIS_MACH_ARTPEC3 #include #endif +#else +#include +#endif /* * gzip declarations @@ -35,12 +39,10 @@ #define OF(args) args #define STATIC static -void* memset(void* s, int c, size_t n); -void* memcpy(void* __dest, __const void* __src, - size_t __n); - -#define memzero(s, n) memset ((s), 0, (n)) +void *memset(void *s, int c, size_t n); +void *memcpy(void *__dest, __const void *__src, size_t __n); +#define memzero(s, n) memset((s), 0, (n)) typedef unsigned char uch; typedef unsigned short ush; @@ -68,27 +70,43 @@ static unsigned outcnt = 0; /* bytes in output buffer */ #define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */ #define RESERVED 0xC0 /* bit 6,7: reserved */ -#define get_byte() inbuf[inptr++] +#define get_byte() (inbuf[inptr++]) /* Diagnostic functions */ #ifdef DEBUG -# define Assert(cond,msg) {if(!(cond)) error(msg);} +# define Assert(cond, msg) do { \ + if (!(cond)) \ + error(msg); \ + } while (0) # define Trace(x) fprintf x -# define Tracev(x) {if (verbose) fprintf x ;} -# define Tracevv(x) {if (verbose>1) fprintf x ;} -# define Tracec(c,x) {if (verbose && (c)) fprintf x ;} -# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;} +# define Tracev(x) do { \ + if (verbose) \ + fprintf x; \ + } while (0) +# define Tracevv(x) do { \ + if (verbose > 1) \ + fprintf x; \ + } while (0) +# define Tracec(c, x) do { \ + if (verbose && (c)) \ + fprintf x; \ + } while (0) +# define Tracecv(c, x) do { \ + if (verbose > 1 && (c)) \ + fprintf x; \ + } while (0) #else -# define Assert(cond,msg) +# define Assert(cond, msg) # define Trace(x) # define Tracev(x) # define Tracevv(x) -# define Tracec(c,x) -# define Tracecv(c,x) +# define Tracec(c, x) +# define Tracecv(c, x) #endif static void flush_window(void); static void error(char *m); +static void puts(const char *); extern char *input_data; /* lives in head.S */ @@ -96,10 +114,6 @@ static long bytes_out; static uch *output_data; static unsigned long output_ptr; -static void error(char *m); - -static void puts(const char *); - /* the "heap" is put directly after the BSS ends, at end */ extern int _end; @@ -110,8 +124,8 @@ static long free_mem_end_ptr; /* decompressor info and error messages to serial console */ -static inline void -serout(const char *s, reg_scope_instances regi_ser) +#ifdef CONFIG_ETRAX_ARCH_V32 +static inline void serout(const char *s, reg_scope_instances regi_ser) { reg_ser_rs_stat_din rs; reg_ser_rw_dout dout = {.data = *s}; @@ -123,23 +137,47 @@ serout(const char *s, reg_scope_instances regi_ser) REG_WR(ser, regi_ser, rw_dout, dout); } +#endif -static void -puts(const char *s) +static void puts(const char *s) { #ifndef CONFIG_ETRAX_DEBUG_PORT_NULL while (*s) { #ifdef CONFIG_ETRAX_DEBUG_PORT0 +#ifdef CONFIG_ETRAX_ARCH_V32 serout(s, regi_ser0); +#else + while (!(*R_SERIAL0_STATUS & (1 << 5))) + ; + *R_SERIAL0_TR_DATA = *s++; +#endif #endif #ifdef CONFIG_ETRAX_DEBUG_PORT1 +#ifdef CONFIG_ETRAX_ARCH_V32 serout(s, regi_ser1); +#else + while (!(*R_SERIAL1_STATUS & (1 << 5))) + ; + *R_SERIAL1_TR_DATA = *s++; +#endif #endif #ifdef CONFIG_ETRAX_DEBUG_PORT2 +#ifdef CONFIG_ETRAX_ARCH_V32 serout(s, regi_ser2); +#else + while (!(*R_SERIAL2_STATUS & (1 << 5))) + ; + *R_SERIAL2_TR_DATA = *s++; +#endif #endif #ifdef CONFIG_ETRAX_DEBUG_PORT3 +#ifdef CONFIG_ETRAX_ARCH_V32 serout(s, regi_ser3); +#else + while (!(*R_SERIAL3_STATUS & (1 << 5))) + ; + *R_SERIAL3_TR_DATA = *s++; +#endif #endif *s++; } @@ -147,8 +185,7 @@ puts(const char *s) #endif } -void* -memset(void* s, int c, size_t n) +void *memset(void *s, int c, size_t n) { int i; char *ss = (char*)s; @@ -158,14 +195,13 @@ memset(void* s, int c, size_t n) return s; } -void* -memcpy(void* __dest, __const void* __src, - size_t __n) +void *memcpy(void *__dest, __const void *__src, size_t __n) { int i; char *d = (char *)__dest, *s = (char *)__src; - for (i=0;i<__n;i++) d[i] = s[i]; + for (i = 0; i < __n; i++) + d[i] = s[i]; return __dest; } @@ -175,43 +211,42 @@ memcpy(void* __dest, __const void* __src, * (Used for the decompressed data only.) */ -static void -flush_window() +static void flush_window(void) { - ulg c = crc; /* temporary variable */ - unsigned n; - uch *in, *out, ch; - - in = window; - out = &output_data[output_ptr]; - for (n = 0; n < outcnt; n++) { - ch = *out++ = *in++; - c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8); - } - crc = c; - bytes_out += (ulg)outcnt; - output_ptr += (ulg)outcnt; - outcnt = 0; + ulg c = crc; /* temporary variable */ + unsigned n; + uch *in, *out, ch; + + in = window; + out = &output_data[output_ptr]; + for (n = 0; n < outcnt; n++) { + ch = *out = *in; + out++; + in++; + c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8); + } + crc = c; + bytes_out += (ulg)outcnt; + output_ptr += (ulg)outcnt; + outcnt = 0; } -static void -error(char *x) +static void error(char *x) { - puts("\r\n\n"); + puts("\n\n"); puts(x); - puts("\r\n\n -- System halted\n"); + puts("\n\n -- System halted\n"); while(1); /* Halt */ } -void -setup_normal_output_buffer(void) +void setup_normal_output_buffer(void) { output_data = (char *)KERNEL_LOAD_ADR; } -static inline void -serial_setup(reg_scope_instances regi_ser) +#ifdef CONFIG_ETRAX_ARCH_V32 +static inline void serial_setup(reg_scope_instances regi_ser) { reg_ser_rw_xoff xoff; reg_ser_rw_tr_ctrl tr_ctrl; @@ -252,12 +287,16 @@ serial_setup(reg_scope_instances regi_ser) REG_WR(ser, regi_ser, rw_rec_ctrl, rec_ctrl); REG_WR(ser, regi_ser, rw_rec_baud_div, rec_baud); } +#endif -void -decompress_kernel(void) +void decompress_kernel(void) { char revision; + char compile_rev; +#ifdef CONFIG_ETRAX_ARCH_V32 + /* Need at least a CRISv32 to run. */ + compile_rev = 32; #if defined(CONFIG_ETRAX_DEBUG_PORT1) || \ defined(CONFIG_ETRAX_DEBUG_PORT2) || \ defined(CONFIG_ETRAX_DEBUG_PORT3) @@ -277,6 +316,7 @@ decompress_kernel(void) hwprot = REG_RD(pinmux, regi_pinmux, rw_hwprot); #endif + #ifdef CONFIG_ETRAX_DEBUG_PORT0 serial_setup(regi_ser0); #endif @@ -300,19 +340,52 @@ decompress_kernel(void) /* input_data is set in head.S */ inbuf = input_data; +#else /* CRISv10 */ + /* Need at least a crisv10 to run. */ + compile_rev = 10; + + /* input_data is set in head.S */ + inbuf = input_data; + +#ifdef CONFIG_ETRAX_DEBUG_PORT0 + *R_SERIAL0_XOFF = 0; + *R_SERIAL0_BAUD = 0x99; + *R_SERIAL0_TR_CTRL = 0x40; +#endif +#ifdef CONFIG_ETRAX_DEBUG_PORT1 + *R_SERIAL1_XOFF = 0; + *R_SERIAL1_BAUD = 0x99; + *R_SERIAL1_TR_CTRL = 0x40; +#endif +#ifdef CONFIG_ETRAX_DEBUG_PORT2 + *R_GEN_CONFIG = 0x08; + *R_SERIAL2_XOFF = 0; + *R_SERIAL2_BAUD = 0x99; + *R_SERIAL2_TR_CTRL = 0x40; +#endif +#ifdef CONFIG_ETRAX_DEBUG_PORT3 + *R_GEN_CONFIG = 0x100; + *R_SERIAL3_XOFF = 0; + *R_SERIAL3_BAUD = 0x99; + *R_SERIAL3_TR_CTRL = 0x40; +#endif +#endif setup_normal_output_buffer(); makecrc(); __asm__ volatile ("move $vr,%0" : "=rm" (revision)); - if (revision < 32) - { - puts("You need an ETRAX FS to run Linux 2.6/crisv32.\r\n"); + if (revision < compile_rev) { +#ifdef CONFIG_ETRAX_ARCH_V32 + puts("You need an ETRAX FS to run Linux 2.6/crisv32\n"); +#else + puts("You need an ETRAX 100LX to run linux 2.6\n"); +#endif while(1); } - puts("Uncompressing Linux...\r\n"); + puts("Uncompressing Linux...\n"); gunzip(); - puts("Done. Now booting the kernel.\r\n"); + puts("Done. Now booting the kernel\n"); } diff --git a/trunk/arch/cris/arch-v10/boot/rescue/Makefile b/trunk/arch/cris/boot/rescue/Makefile similarity index 63% rename from trunk/arch/cris/arch-v10/boot/rescue/Makefile rename to trunk/arch/cris/boot/rescue/Makefile index 82ab59b968e5..52bd0bd1dd22 100644 --- a/trunk/arch/cris/arch-v10/boot/rescue/Makefile +++ b/trunk/arch/cris/boot/rescue/Makefile @@ -2,16 +2,26 @@ # Makefile for rescue (bootstrap) code # -ccflags-y += -O2 $(LINUXINCLUDE) +# CC = gcc-cris -mlinux -march=v32 $(LINUXINCLUDE) +# ccflags-$(CONFIG_ETRAX_ARCH_V32) += -I$(srctree)/include/asm/arch/mach/ \ +# -I$(srctree)/include/asm/arch +# asflags-y += -I $(srctree)/include/asm/arch/mach/ -I $(srctree)/include/asm/arch +# LD = gcc-cris -mlinux -march=v32 -nostdlib + asflags-y += $(LINUXINCLUDE) -ldflags-y += -T $(srctree)/$(src)/rescue.lds +ccflags-y += -O2 $(LINUXINCLUDE) +arch-$(CONFIG_ETRAX_ARCH_V10) = v10 +arch-$(CONFIG_ETRAX_ARCH_V32) = v32 + +ldflags-y += -T $(srctree)/$(src)/rescue_$(arch-y).lds OBJCOPYFLAGS = -O binary --remove-section=.bss -obj-$(CONFIG_ETRAX_AXISFLASHMAP) = head.o -OBJECT := $(obj)/head.o +obj-$(CONFIG_ETRAX_ARCH_V32) = $(obj)/head_v32.o +obj-$(CONFIG_ETRAX_ARCH_V10) = $(obj)/head_v10.o +OBJECTS := $(obj-y) targets := rescue.o rescue.bin -$(obj)/rescue.o: $(OBJECT) FORCE +$(obj)/rescue.o: $(OBJECTS) FORCE $(call if_changed,ld) $(obj)/rescue.bin: $(obj)/rescue.o FORCE @@ -26,6 +36,7 @@ $(obj)/testrescue.bin: $(obj)/testrescue.o dd if=testrescue_tmp.bin of=$(obj)/testrescue.bin bs=1 count=784 rm tr.bin tmp2423 testrescue_tmp.bin + $(obj)/kimagerescue.bin: $(obj)/kimagerescue.o $(OBJCOPY) $(OBJCOPYFLAGS) $(obj)/kimagerescue.o ktr.bin # Pad it to 784 bytes, that's what the rescue loader expects @@ -33,3 +44,4 @@ $(obj)/kimagerescue.bin: $(obj)/kimagerescue.o cat ktr.bin tmp2423 >kimagerescue_tmp.bin dd if=kimagerescue_tmp.bin of=$(obj)/kimagerescue.bin bs=1 count=784 rm ktr.bin tmp2423 kimagerescue_tmp.bin + diff --git a/trunk/arch/cris/arch-v10/boot/rescue/head.S b/trunk/arch/cris/boot/rescue/head_v10.S similarity index 99% rename from trunk/arch/cris/arch-v10/boot/rescue/head.S rename to trunk/arch/cris/boot/rescue/head_v10.S index fb503d1eeea4..2fafe247a25b 100644 --- a/trunk/arch/cris/arch-v10/boot/rescue/head.S +++ b/trunk/arch/cris/boot/rescue/head_v10.S @@ -155,7 +155,7 @@ no_newjump: #endif ;; We need to setup the bus registers before we start using the DRAM -#include "../../lib/dram_init.S" +#include "../../../arch-v10/lib/dram_init.S" ;; we now should go through the checksum-table and check the listed ;; partitions for errors. diff --git a/trunk/arch/cris/arch-v32/boot/rescue/head.S b/trunk/arch/cris/boot/rescue/head_v32.S similarity index 100% rename from trunk/arch/cris/arch-v32/boot/rescue/head.S rename to trunk/arch/cris/boot/rescue/head_v32.S diff --git a/trunk/arch/cris/arch-v10/boot/rescue/kimagerescue.S b/trunk/arch/cris/boot/rescue/kimagerescue.S similarity index 100% rename from trunk/arch/cris/arch-v10/boot/rescue/kimagerescue.S rename to trunk/arch/cris/boot/rescue/kimagerescue.S diff --git a/trunk/arch/cris/arch-v10/boot/rescue/rescue.lds b/trunk/arch/cris/boot/rescue/rescue_v10.lds similarity index 100% rename from trunk/arch/cris/arch-v10/boot/rescue/rescue.lds rename to trunk/arch/cris/boot/rescue/rescue_v10.lds diff --git a/trunk/arch/cris/arch-v32/boot/rescue/rescue.lds b/trunk/arch/cris/boot/rescue/rescue_v32.lds similarity index 100% rename from trunk/arch/cris/arch-v32/boot/rescue/rescue.lds rename to trunk/arch/cris/boot/rescue/rescue_v32.lds diff --git a/trunk/arch/cris/arch-v10/boot/rescue/testrescue.S b/trunk/arch/cris/boot/rescue/testrescue.S similarity index 100% rename from trunk/arch/cris/arch-v10/boot/rescue/testrescue.S rename to trunk/arch/cris/boot/rescue/testrescue.S diff --git a/trunk/arch/cris/arch-v10/boot/tools/build.c b/trunk/arch/cris/boot/tools/build.c similarity index 100% rename from trunk/arch/cris/arch-v10/boot/tools/build.c rename to trunk/arch/cris/boot/tools/build.c diff --git a/trunk/arch/cris/include/asm/unistd.h b/trunk/arch/cris/include/asm/unistd.h index 235d076379d5..c17079388bb9 100644 --- a/trunk/arch/cris/include/asm/unistd.h +++ b/trunk/arch/cris/include/asm/unistd.h @@ -281,7 +281,7 @@ #define __NR_mbind 274 #define __NR_get_mempolicy 275 #define __NR_set_mempolicy 276 -#define __NR_mq_open 277 +#define __NR_mq_open 277 #define __NR_mq_unlink (__NR_mq_open+1) #define __NR_mq_timedsend (__NR_mq_open+2) #define __NR_mq_timedreceive (__NR_mq_open+3) @@ -331,10 +331,18 @@ #define __NR_fallocate 324 #define __NR_timerfd_settime 325 #define __NR_timerfd_gettime 326 +#define __NR_signalfd4 327 +#define __NR_eventfd2 328 +#define __NR_epoll_create1 329 +#define __NR_dup3 330 +#define __NR_pipe2 331 +#define __NR_inotify_init1 332 +#define __NR_preadv 333 +#define __NR_pwritev 334 #ifdef __KERNEL__ -#define NR_syscalls 327 +#define NR_syscalls 335 #include diff --git a/trunk/arch/mips/Kconfig b/trunk/arch/mips/Kconfig index 998e5db8cc0f..09b1287a92ce 100644 --- a/trunk/arch/mips/Kconfig +++ b/trunk/arch/mips/Kconfig @@ -1411,13 +1411,12 @@ config PAGE_SIZE_4KB config PAGE_SIZE_8KB bool "8kB" - depends on EXPERIMENTAL && CPU_R8000 + depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON help Using 8kB page size will result in higher performance kernel at the price of higher memory consumption. This option is available - only on the R8000 processor. Not that at the time of this writing - this option is still high experimental; there are also issues with - compatibility of user applications. + only on R8000 and cnMIPS processors. Note that you will need a + suitable Linux distribution to support this. config PAGE_SIZE_16KB bool "16kB" @@ -1428,6 +1427,15 @@ config PAGE_SIZE_16KB all non-R3000 family processors. Note that you will need a suitable Linux distribution to support this. +config PAGE_SIZE_32KB + bool "32kB" + depends on CPU_CAVIUM_OCTEON + help + Using 32kB page size will result in higher performance kernel at + the price of higher memory consumption. This option is available + only on cnMIPS cores. Note that you will need a suitable Linux + distribution to support this. + config PAGE_SIZE_64KB bool "64kB" depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX @@ -1958,10 +1966,6 @@ config SECCOMP endmenu -config RWSEM_GENERIC_SPINLOCK - bool - default y - config LOCKDEP_SUPPORT bool default y diff --git a/trunk/arch/mips/Makefile b/trunk/arch/mips/Makefile index 8d544c7c9fe9..26947ab85260 100644 --- a/trunk/arch/mips/Makefile +++ b/trunk/arch/mips/Makefile @@ -14,8 +14,6 @@ KBUILD_DEFCONFIG := ip22_defconfig -cflags-y := -ffunction-sections - # # Select the object file format to substitute into the linker script. # @@ -50,6 +48,9 @@ ifneq ($(SUBARCH),$(ARCH)) endif endif +cflags-y := -ffunction-sections +cflags-y += $(call cc-option, -mno-check-zero-division) + ifdef CONFIG_32BIT ld-emul = $(32bit-emul) vmlinux-32 = vmlinux diff --git a/trunk/arch/mips/alchemy/common/time.c b/trunk/arch/mips/alchemy/common/time.c index f58d4ffb8945..33fbae79af5e 100644 --- a/trunk/arch/mips/alchemy/common/time.c +++ b/trunk/arch/mips/alchemy/common/time.c @@ -44,7 +44,7 @@ extern int allow_au1k_wait; /* default off for CP0 Counter */ -static cycle_t au1x_counter1_read(void) +static cycle_t au1x_counter1_read(struct clocksource *cs) { return au_readl(SYS_RTCREAD); } diff --git a/trunk/arch/mips/cavium-octeon/csrc-octeon.c b/trunk/arch/mips/cavium-octeon/csrc-octeon.c index 70fd92c31657..96110f217dcd 100644 --- a/trunk/arch/mips/cavium-octeon/csrc-octeon.c +++ b/trunk/arch/mips/cavium-octeon/csrc-octeon.c @@ -38,7 +38,7 @@ void octeon_init_cvmcount(void) local_irq_restore(flags); } -static cycle_t octeon_cvmcount_read(void) +static cycle_t octeon_cvmcount_read(struct clocksource *cs) { return read_c0_cvmcount(); } diff --git a/trunk/arch/mips/include/asm/bitops.h b/trunk/arch/mips/include/asm/bitops.h index bac4a960b24c..b1e9e97a9c78 100644 --- a/trunk/arch/mips/include/asm/bitops.h +++ b/trunk/arch/mips/include/asm/bitops.h @@ -567,7 +567,7 @@ static inline unsigned long __fls(unsigned long word) int num; if (BITS_PER_LONG == 32 && - __builtin_constant_p(cpu_has_mips_r) && cpu_has_mips_r) { + __builtin_constant_p(cpu_has_clo_clz) && cpu_has_clo_clz) { __asm__( " .set push \n" " .set mips32 \n" @@ -644,7 +644,7 @@ static inline int fls(int x) { int r; - if (__builtin_constant_p(cpu_has_mips_r) && cpu_has_mips_r) { + if (__builtin_constant_p(cpu_has_clo_clz) && cpu_has_clo_clz) { __asm__("clz %0, %1" : "=r" (x) : "r" (x)); return 32 - x; diff --git a/trunk/arch/mips/include/asm/checksum.h b/trunk/arch/mips/include/asm/checksum.h index 290485ac5407..f2f7c6c264da 100644 --- a/trunk/arch/mips/include/asm/checksum.h +++ b/trunk/arch/mips/include/asm/checksum.h @@ -40,7 +40,7 @@ static inline __wsum csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err_ptr) { - might_sleep(); + might_fault(); return __csum_partial_copy_user((__force void *)src, dst, len, sum, err_ptr); } @@ -53,7 +53,7 @@ static inline __wsum csum_and_copy_to_user(const void *src, void __user *dst, int len, __wsum sum, int *err_ptr) { - might_sleep(); + might_fault(); if (access_ok(VERIFY_WRITE, dst, len)) return __csum_partial_copy_user(src, (__force void *)dst, len, sum, err_ptr); diff --git a/trunk/arch/mips/include/asm/compat.h b/trunk/arch/mips/include/asm/compat.h index 6c5b40905dd6..f58aed354bfd 100644 --- a/trunk/arch/mips/include/asm/compat.h +++ b/trunk/arch/mips/include/asm/compat.h @@ -3,7 +3,6 @@ /* * Architecture specific compatibility types */ -#include #include #include #include diff --git a/trunk/arch/mips/include/asm/cpu-features.h b/trunk/arch/mips/include/asm/cpu-features.h index a0d14f85b781..c0047f861337 100644 --- a/trunk/arch/mips/include/asm/cpu-features.h +++ b/trunk/arch/mips/include/asm/cpu-features.h @@ -147,6 +147,15 @@ #define cpu_has_mips_r (cpu_has_mips32r1 | cpu_has_mips32r2 | \ cpu_has_mips64r1 | cpu_has_mips64r2) +/* + * MIPS32, MIPS64, VR5500, IDT32332, IDT32334 and maybe a few other + * pre-MIPS32/MIPS53 processors have CLO, CLZ. For 64-bit kernels + * cpu_has_clo_clz also indicates the availability of DCLO and DCLZ. + */ +# ifndef cpu_has_clo_clz +# define cpu_has_clo_clz cpu_has_mips_r +# endif + #ifndef cpu_has_dsp #define cpu_has_dsp (cpu_data[0].ases & MIPS_ASE_DSP) #endif diff --git a/trunk/arch/mips/include/asm/div64.h b/trunk/arch/mips/include/asm/div64.h index d1d699105c11..dc5ea5736440 100644 --- a/trunk/arch/mips/include/asm/div64.h +++ b/trunk/arch/mips/include/asm/div64.h @@ -6,105 +6,63 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. */ -#ifndef _ASM_DIV64_H -#define _ASM_DIV64_H +#ifndef __ASM_DIV64_H +#define __ASM_DIV64_H -#include +#include -#if (_MIPS_SZLONG == 32) +#if BITS_PER_LONG == 64 -#include +#include /* * No traps on overflows for any of these... */ -#define do_div64_32(res, high, low, base) ({ \ - unsigned long __quot32, __mod32; \ - unsigned long __cf, __tmp, __tmp2, __i; \ - \ - __asm__(".set push\n\t" \ - ".set noat\n\t" \ - ".set noreorder\n\t" \ - "move %2, $0\n\t" \ - "move %3, $0\n\t" \ - "b 1f\n\t" \ - " li %4, 0x21\n" \ - "0:\n\t" \ - "sll $1, %0, 0x1\n\t" \ - "srl %3, %0, 0x1f\n\t" \ - "or %0, $1, %5\n\t" \ - "sll %1, %1, 0x1\n\t" \ - "sll %2, %2, 0x1\n" \ - "1:\n\t" \ - "bnez %3, 2f\n\t" \ - " sltu %5, %0, %z6\n\t" \ - "bnez %5, 3f\n" \ - "2:\n\t" \ - " addiu %4, %4, -1\n\t" \ - "subu %0, %0, %z6\n\t" \ - "addiu %2, %2, 1\n" \ - "3:\n\t" \ - "bnez %4, 0b\n\t" \ - " srl %5, %1, 0x1f\n\t" \ - ".set pop" \ - : "=&r" (__mod32), "=&r" (__tmp), \ - "=&r" (__quot32), "=&r" (__cf), \ - "=&r" (__i), "=&r" (__tmp2) \ - : "Jr" (base), "0" (high), "1" (low)); \ - \ - (res) = __quot32; \ - __mod32; }) - -#define do_div(n, base) ({ \ - unsigned long long __quot; \ - unsigned long __mod; \ - unsigned long long __div; \ - unsigned long __upper, __low, __high, __base; \ - \ - __div = (n); \ - __base = (base); \ - \ - __high = __div >> 32; \ - __low = __div; \ - __upper = __high; \ - \ - if (__high) \ - __asm__("divu $0, %z2, %z3" \ - : "=h" (__upper), "=l" (__high) \ - : "Jr" (__high), "Jr" (__base) \ - : GCC_REG_ACCUM); \ - \ - __mod = do_div64_32(__low, __upper, __low, __base); \ - \ - __quot = __high; \ - __quot = __quot << 32 | __low; \ - (n) = __quot; \ - __mod; }) - -#endif /* (_MIPS_SZLONG == 32) */ - -#if (_MIPS_SZLONG == 64) - -/* - * Hey, we're already 64-bit, no - * need to play games.. - */ -#define do_div(n, base) ({ \ - unsigned long __quot; \ - unsigned int __mod; \ - unsigned long __div; \ - unsigned int __base; \ - \ - __div = (n); \ - __base = (base); \ - \ - __mod = __div % __base; \ - __quot = __div / __base; \ - \ - (n) = __quot; \ - __mod; }) +#define __div64_32(n, base) \ +({ \ + unsigned long __cf, __tmp, __tmp2, __i; \ + unsigned long __quot32, __mod32; \ + unsigned long __high, __low; \ + unsigned long long __n; \ + \ + __high = *__n >> 32; \ + __low = __n; \ + __asm__( \ + " .set push \n" \ + " .set noat \n" \ + " .set noreorder \n" \ + " move %2, $0 \n" \ + " move %3, $0 \n" \ + " b 1f \n" \ + " li %4, 0x21 \n" \ + "0: \n" \ + " sll $1, %0, 0x1 \n" \ + " srl %3, %0, 0x1f \n" \ + " or %0, $1, %5 \n" \ + " sll %1, %1, 0x1 \n" \ + " sll %2, %2, 0x1 \n" \ + "1: \n" \ + " bnez %3, 2f \n" \ + " sltu %5, %0, %z6 \n" \ + " bnez %5, 3f \n" \ + "2: \n" \ + " addiu %4, %4, -1 \n" \ + " subu %0, %0, %z6 \n" \ + " addiu %2, %2, 1 \n" \ + "3: \n" \ + " bnez %4, 0b\n\t" \ + " srl %5, %1, 0x1f\n\t" \ + " .set pop" \ + : "=&r" (__mod32), "=&r" (__tmp), \ + "=&r" (__quot32), "=&r" (__cf), \ + "=&r" (__i), "=&r" (__tmp2) \ + : "Jr" (base), "0" (__high), "1" (__low)); \ + \ + (__n) = __quot32; \ + __mod32; \ +}) -#endif /* (_MIPS_SZLONG == 64) */ +#endif /* BITS_PER_LONG == 64 */ -#endif /* _ASM_DIV64_H */ +#endif /* __ASM_DIV64_H */ diff --git a/trunk/arch/mips/include/asm/dma-mapping.h b/trunk/arch/mips/include/asm/dma-mapping.h index c64afb40cd06..d16afddb09a9 100644 --- a/trunk/arch/mips/include/asm/dma-mapping.h +++ b/trunk/arch/mips/include/asm/dma-mapping.h @@ -24,8 +24,13 @@ extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction); extern dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction direction); -extern void dma_unmap_page(struct device *dev, dma_addr_t dma_address, - size_t size, enum dma_data_direction direction); + +static inline void dma_unmap_page(struct device *dev, dma_addr_t dma_address, + size_t size, enum dma_data_direction direction) +{ + dma_unmap_single(dev, dma_address, size, direction); +} + extern void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, enum dma_data_direction direction); extern void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, diff --git a/trunk/arch/mips/include/asm/fixmap.h b/trunk/arch/mips/include/asm/fixmap.h index 9cc8522a394f..0f5caa1307f1 100644 --- a/trunk/arch/mips/include/asm/fixmap.h +++ b/trunk/arch/mips/include/asm/fixmap.h @@ -108,6 +108,9 @@ static inline unsigned long virt_to_fix(const unsigned long vaddr) return __virt_to_fix(vaddr); } +#define kmap_get_fixmap_pte(vaddr) \ + pte_offset_kernel(pmd_offset(pud_offset(pgd_offset_k(vaddr), (vaddr)), (vaddr)), (vaddr)) + /* * Called from pgtable_init() */ diff --git a/trunk/arch/mips/include/asm/hazards.h b/trunk/arch/mips/include/asm/hazards.h index a12d971db4f9..0eaf77ffbc4f 100644 --- a/trunk/arch/mips/include/asm/hazards.h +++ b/trunk/arch/mips/include/asm/hazards.h @@ -138,8 +138,9 @@ do { \ __instruction_hazard(); \ } while (0) -#elif defined(CONFIG_CPU_R10000) || defined(CONFIG_CPU_CAVIUM_OCTEON) || \ - defined(CONFIG_CPU_R5500) || defined(CONFIG_MACH_ALCHEMY) +#elif defined(CONFIG_MACH_ALCHEMY) || defined(CONFIG_CPU_CAVIUM_OCTEON) || \ + defined(CONFIG_CPU_LOONGSON2) || defined(CONFIG_CPU_R10000) || \ + defined(CONFIG_CPU_R5500) /* * R10000 rocks - all hazards handled in hardware, so this becomes a nobrainer. diff --git a/trunk/arch/mips/include/asm/highmem.h b/trunk/arch/mips/include/asm/highmem.h index 4374ab2adc75..25adfb02923d 100644 --- a/trunk/arch/mips/include/asm/highmem.h +++ b/trunk/arch/mips/include/asm/highmem.h @@ -30,8 +30,6 @@ /* declarations for highmem.c */ extern unsigned long highstart_pfn, highend_pfn; -extern pte_t *kmap_pte; -extern pgprot_t kmap_prot; extern pte_t *pkmap_page_table; /* @@ -62,6 +60,10 @@ extern struct page *__kmap_atomic_to_page(void *ptr); #define flush_cache_kmaps() flush_cache_all() +extern void kmap_init(void); + +#define kmap_prot PAGE_KERNEL + #endif /* __KERNEL__ */ #endif /* _ASM_HIGHMEM_H */ diff --git a/trunk/arch/mips/include/asm/mach-au1x00/au1000.h b/trunk/arch/mips/include/asm/mach-au1x00/au1000.h index 62f91f50b5b5..854e95f1b07c 100644 --- a/trunk/arch/mips/include/asm/mach-au1x00/au1000.h +++ b/trunk/arch/mips/include/asm/mach-au1x00/au1000.h @@ -715,7 +715,7 @@ enum soc_au1500_ints { #ifdef CONFIG_SOC_AU1100 enum soc_au1100_ints { AU1100_FIRST_INT = MIPS_CPU_IRQ_BASE + 8, - AU1100_UART0_INT, + AU1100_UART0_INT = AU1100_FIRST_INT, AU1100_UART1_INT, AU1100_SD_INT, AU1100_UART3_INT, @@ -902,8 +902,8 @@ enum soc_au1200_ints { AU1000_RTC_MATCH0_INT, AU1000_RTC_MATCH1_INT, AU1000_RTC_MATCH2_INT, - - AU1200_NAND_INT = AU1200_FIRST_INT + 23, + AU1200_GPIO_203, + AU1200_NAND_INT, AU1200_GPIO_204, AU1200_GPIO_205, AU1200_GPIO_206, diff --git a/trunk/arch/mips/include/asm/mach-au1x00/au1xxx_ide.h b/trunk/arch/mips/include/asm/mach-au1x00/au1xxx_ide.h index 60638b8969ba..5656c72de6d3 100644 --- a/trunk/arch/mips/include/asm/mach-au1x00/au1xxx_ide.h +++ b/trunk/arch/mips/include/asm/mach-au1x00/au1xxx_ide.h @@ -46,20 +46,6 @@ #define CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON 0 #endif -#ifdef CONFIG_PM -/* - * This will enable the device to be powered up when write() or read() - * is called. If this is not defined, the driver will return -EBUSY. - */ -#define WAKE_ON_ACCESS 1 - -typedef struct { - spinlock_t lock; /* Used to block on state transitions */ - au1xxx_power_dev_t *dev; /* Power Managers device structure */ - unsigned stopped; /* Used to signal device is stopped */ -} pm_state; -#endif - typedef struct { u32 tx_dev_id, rx_dev_id, target_dev_id; u32 tx_chan, rx_chan; @@ -72,9 +58,6 @@ typedef struct { #endif int irq; u32 regbase; -#ifdef CONFIG_PM - pm_state pm; -#endif } _auide_hwif; /******************************************************************************/ diff --git a/trunk/arch/mips/include/asm/mach-lemote/cpu-feature-overrides.h b/trunk/arch/mips/include/asm/mach-lemote/cpu-feature-overrides.h new file mode 100644 index 000000000000..550a10dc9dba --- /dev/null +++ b/trunk/arch/mips/include/asm/mach-lemote/cpu-feature-overrides.h @@ -0,0 +1,59 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2009 Wu Zhangjin + * Copyright (C) 2009 Philippe Vachon + * Copyright (C) 2009 Zhang Le + * + * reference: /proc/cpuinfo, + * arch/mips/kernel/cpu-probe.c(cpu_probe_legacy), + * arch/mips/kernel/proc.c(show_cpuinfo), + * loongson2f user manual. + */ + +#ifndef __ASM_MACH_LEMOTE_CPU_FEATURE_OVERRIDES_H +#define __ASM_MACH_LEMOTE_CPU_FEATURE_OVERRIDES_H + +#define cpu_dcache_line_size() 32 +#define cpu_icache_line_size() 32 +#define cpu_scache_line_size() 32 + + +#define cpu_has_32fpr 1 +#define cpu_has_3k_cache 0 +#define cpu_has_4k_cache 1 +#define cpu_has_4kex 1 +#define cpu_has_64bits 1 +#define cpu_has_cache_cdex_p 0 +#define cpu_has_cache_cdex_s 0 +#define cpu_has_counter 1 +#define cpu_has_dc_aliases 1 +#define cpu_has_divec 0 +#define cpu_has_dsp 0 +#define cpu_has_ejtag 0 +#define cpu_has_fpu 1 +#define cpu_has_ic_fills_f_dc 0 +#define cpu_has_inclusive_pcaches 1 +#define cpu_has_llsc 1 +#define cpu_has_mcheck 0 +#define cpu_has_mdmx 0 +#define cpu_has_mips16 0 +#define cpu_has_mips32r1 0 +#define cpu_has_mips32r2 0 +#define cpu_has_mips3d 0 +#define cpu_has_mips64r1 0 +#define cpu_has_mips64r2 0 +#define cpu_has_mipsmt 0 +#define cpu_has_prefetch 0 +#define cpu_has_smartmips 0 +#define cpu_has_tlb 1 +#define cpu_has_tx39_cache 0 +#define cpu_has_userlocal 0 +#define cpu_has_vce 0 +#define cpu_has_vtag_icache 0 +#define cpu_has_watch 1 +#define cpu_icache_snoops_remote_store 1 + +#endif /* __ASM_MACH_LEMOTE_CPU_FEATURE_OVERRIDES_H */ diff --git a/trunk/arch/mips/include/asm/mipsregs.h b/trunk/arch/mips/include/asm/mipsregs.h index 526f327475ce..32ef8bec5c85 100644 --- a/trunk/arch/mips/include/asm/mipsregs.h +++ b/trunk/arch/mips/include/asm/mipsregs.h @@ -184,12 +184,19 @@ #else #define PM_4K 0x00000000 +#define PM_8K 0x00002000 #define PM_16K 0x00006000 +#define PM_32K 0x0000e000 #define PM_64K 0x0001e000 +#define PM_128K 0x0003e000 #define PM_256K 0x0007e000 +#define PM_512K 0x000fe000 #define PM_1M 0x001fe000 +#define PM_2M 0x003fe000 #define PM_4M 0x007fe000 +#define PM_8M 0x00ffe000 #define PM_16M 0x01ffe000 +#define PM_32M 0x03ffe000 #define PM_64M 0x07ffe000 #define PM_256M 0x1fffe000 #define PM_1G 0x7fffe000 @@ -201,8 +208,12 @@ */ #ifdef CONFIG_PAGE_SIZE_4KB #define PM_DEFAULT_MASK PM_4K +#elif defined(CONFIG_PAGE_SIZE_8KB) +#define PM_DEFAULT_MASK PM_8K #elif defined(CONFIG_PAGE_SIZE_16KB) #define PM_DEFAULT_MASK PM_16K +#elif defined(CONFIG_PAGE_SIZE_32KB) +#define PM_DEFAULT_MASK PM_32K #elif defined(CONFIG_PAGE_SIZE_64KB) #define PM_DEFAULT_MASK PM_64K #else @@ -717,8 +728,8 @@ do { \ ".set\tmips64\n\t" \ "dmfc0\t%M0, " #source "\n\t" \ "dsll\t%L0, %M0, 32\n\t" \ - "dsrl\t%M0, %M0, 32\n\t" \ - "dsrl\t%L0, %L0, 32\n\t" \ + "dsra\t%M0, %M0, 32\n\t" \ + "dsra\t%L0, %L0, 32\n\t" \ ".set\tmips0" \ : "=r" (__val)); \ else \ @@ -726,8 +737,8 @@ do { \ ".set\tmips64\n\t" \ "dmfc0\t%M0, " #source ", " #sel "\n\t" \ "dsll\t%L0, %M0, 32\n\t" \ - "dsrl\t%M0, %M0, 32\n\t" \ - "dsrl\t%L0, %L0, 32\n\t" \ + "dsra\t%M0, %M0, 32\n\t" \ + "dsra\t%L0, %L0, 32\n\t" \ ".set\tmips0" \ : "=r" (__val)); \ local_irq_restore(__flags); \ @@ -1484,14 +1495,15 @@ static inline unsigned int \ set_c0_##name(unsigned int set) \ { \ unsigned int res; \ + unsigned int new; \ unsigned int omt; \ unsigned long flags; \ \ local_irq_save(flags); \ omt = __dmt(); \ res = read_c0_##name(); \ - res |= set; \ - write_c0_##name(res); \ + new = res | set; \ + write_c0_##name(new); \ __emt(omt); \ local_irq_restore(flags); \ \ @@ -1502,14 +1514,15 @@ static inline unsigned int \ clear_c0_##name(unsigned int clear) \ { \ unsigned int res; \ + unsigned int new; \ unsigned int omt; \ unsigned long flags; \ \ local_irq_save(flags); \ omt = __dmt(); \ res = read_c0_##name(); \ - res &= ~clear; \ - write_c0_##name(res); \ + new = res & ~clear; \ + write_c0_##name(new); \ __emt(omt); \ local_irq_restore(flags); \ \ @@ -1517,9 +1530,10 @@ clear_c0_##name(unsigned int clear) \ } \ \ static inline unsigned int \ -change_c0_##name(unsigned int change, unsigned int new) \ +change_c0_##name(unsigned int change, unsigned int newbits) \ { \ unsigned int res; \ + unsigned int new; \ unsigned int omt; \ unsigned long flags; \ \ @@ -1527,9 +1541,9 @@ change_c0_##name(unsigned int change, unsigned int new) \ \ omt = __dmt(); \ res = read_c0_##name(); \ - res &= ~change; \ - res |= (new & change); \ - write_c0_##name(res); \ + new = res & ~change; \ + new |= (newbits & change); \ + write_c0_##name(new); \ __emt(omt); \ local_irq_restore(flags); \ \ diff --git a/trunk/arch/mips/include/asm/page.h b/trunk/arch/mips/include/asm/page.h index fe7a88ea066e..9f946e4ca057 100644 --- a/trunk/arch/mips/include/asm/page.h +++ b/trunk/arch/mips/include/asm/page.h @@ -23,6 +23,9 @@ #ifdef CONFIG_PAGE_SIZE_16KB #define PAGE_SHIFT 14 #endif +#ifdef CONFIG_PAGE_SIZE_32KB +#define PAGE_SHIFT 15 +#endif #ifdef CONFIG_PAGE_SIZE_64KB #define PAGE_SHIFT 16 #endif diff --git a/trunk/arch/mips/include/asm/pgtable-64.h b/trunk/arch/mips/include/asm/pgtable-64.h index 943515f0ef87..4ed9d1bba2ba 100644 --- a/trunk/arch/mips/include/asm/pgtable-64.h +++ b/trunk/arch/mips/include/asm/pgtable-64.h @@ -83,6 +83,12 @@ #define PMD_ORDER 0 #define PTE_ORDER 0 #endif +#ifdef CONFIG_PAGE_SIZE_32KB +#define PGD_ORDER 0 +#define PUD_ORDER aieeee_attempt_to_allocate_pud +#define PMD_ORDER 0 +#define PTE_ORDER 0 +#endif #ifdef CONFIG_PAGE_SIZE_64KB #define PGD_ORDER 0 #define PUD_ORDER aieeee_attempt_to_allocate_pud diff --git a/trunk/arch/mips/include/asm/sn/addrs.h b/trunk/arch/mips/include/asm/sn/addrs.h index fec9bdd34913..3a56d90abfa6 100644 --- a/trunk/arch/mips/include/asm/sn/addrs.h +++ b/trunk/arch/mips/include/asm/sn/addrs.h @@ -359,11 +359,11 @@ TO_NODE_UNCAC((nasid), LAUNCH_OFFSET(nasid, slice)) #define LAUNCH_SIZE(nasid) KLD_LAUNCH(nasid)->size -#define NMI_OFFSET(nasid, slice) \ +#define SN_NMI_OFFSET(nasid, slice) \ (KLD_NMI(nasid)->offset + \ KLD_NMI(nasid)->stride * (slice)) #define NMI_ADDR(nasid, slice) \ - TO_NODE_UNCAC((nasid), NMI_OFFSET(nasid, slice)) + TO_NODE_UNCAC((nasid), SN_NMI_OFFSET(nasid, slice)) #define NMI_SIZE(nasid) KLD_NMI(nasid)->size #define KLCONFIG_OFFSET(nasid) KLD_KLCONFIG(nasid)->offset diff --git a/trunk/arch/mips/include/asm/sn/nmi.h b/trunk/arch/mips/include/asm/sn/nmi.h index 6b7b0b5f3729..1af49897d4e1 100644 --- a/trunk/arch/mips/include/asm/sn/nmi.h +++ b/trunk/arch/mips/include/asm/sn/nmi.h @@ -3,13 +3,13 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * + * Derived from IRIX , Revision 1.5. + * * Copyright (C) 1992 - 1997 Silicon Graphics, Inc. */ #ifndef __ASM_SN_NMI_H #define __ASM_SN_NMI_H -#ident "$Revision: 1.5 $" - #include /* diff --git a/trunk/arch/mips/include/asm/thread_info.h b/trunk/arch/mips/include/asm/thread_info.h index 676aa2ae1913..143a48136a4b 100644 --- a/trunk/arch/mips/include/asm/thread_info.h +++ b/trunk/arch/mips/include/asm/thread_info.h @@ -75,6 +75,9 @@ register struct thread_info *__current_thread_info __asm__("$28"); #ifdef CONFIG_PAGE_SIZE_16KB #define THREAD_SIZE_ORDER (0) #endif +#ifdef CONFIG_PAGE_SIZE_32KB +#define THREAD_SIZE_ORDER (0) +#endif #ifdef CONFIG_PAGE_SIZE_64KB #define THREAD_SIZE_ORDER (0) #endif diff --git a/trunk/arch/mips/include/asm/time.h b/trunk/arch/mips/include/asm/time.h index 38a30d2ee959..df6a430de5eb 100644 --- a/trunk/arch/mips/include/asm/time.h +++ b/trunk/arch/mips/include/asm/time.h @@ -57,7 +57,11 @@ extern int r4k_clockevent_init(void); static inline int mips_clockevent_init(void) { -#ifdef CONFIG_CEVT_R4K +#ifdef CONFIG_MIPS_MT_SMTC + extern int smtc_clockevent_init(void); + + return smtc_clockevent_init(); +#elif defined(CONFIG_CEVT_R4K) return r4k_clockevent_init(); #else return -ENXIO; diff --git a/trunk/arch/mips/include/asm/uaccess.h b/trunk/arch/mips/include/asm/uaccess.h index 09ff5bb17445..8de858f5449f 100644 --- a/trunk/arch/mips/include/asm/uaccess.h +++ b/trunk/arch/mips/include/asm/uaccess.h @@ -105,10 +105,20 @@ #define __access_mask get_fs().seg #define __access_ok(addr, size, mask) \ - (((signed long)((mask) & ((addr) | ((addr) + (size)) | __ua_size(size)))) == 0) +({ \ + unsigned long __addr = (unsigned long) (addr); \ + unsigned long __size = size; \ + unsigned long __mask = mask; \ + unsigned long __ok; \ + \ + __chk_user_ptr(addr); \ + __ok = (signed long)(__mask & (__addr | (__addr + __size) | \ + __ua_size(__size))); \ + __ok == 0; \ +}) #define access_ok(type, addr, size) \ - likely(__access_ok((unsigned long)(addr), (size), __access_mask)) + likely(__access_ok((addr), (size), __access_mask)) /* * put_user: - Write a simple value into user space. @@ -225,6 +235,7 @@ do { \ ({ \ int __gu_err; \ \ + __chk_user_ptr(ptr); \ __get_user_common((x), size, ptr); \ __gu_err; \ }) @@ -234,6 +245,7 @@ do { \ int __gu_err = -EFAULT; \ const __typeof__(*(ptr)) __user * __gu_ptr = (ptr); \ \ + might_fault(); \ if (likely(access_ok(VERIFY_READ, __gu_ptr, size))) \ __get_user_common((x), size, __gu_ptr); \ \ @@ -305,6 +317,7 @@ do { \ __typeof__(*(ptr)) __pu_val; \ int __pu_err = 0; \ \ + __chk_user_ptr(ptr); \ __pu_val = (x); \ switch (size) { \ case 1: __put_user_asm("sb", ptr); break; \ @@ -322,6 +335,7 @@ do { \ __typeof__(*(ptr)) __pu_val = (x); \ int __pu_err = -EFAULT; \ \ + might_fault(); \ if (likely(access_ok(VERIFY_WRITE, __pu_addr, size))) { \ switch (size) { \ case 1: __put_user_asm("sb", __pu_addr); break; \ @@ -696,10 +710,10 @@ extern size_t __copy_user(void *__to, const void *__from, size_t __n); const void *__cu_from; \ long __cu_len; \ \ - might_sleep(); \ __cu_to = (to); \ __cu_from = (from); \ __cu_len = (n); \ + might_fault(); \ __cu_len = __invoke_copy_to_user(__cu_to, __cu_from, __cu_len); \ __cu_len; \ }) @@ -752,13 +766,14 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n); const void *__cu_from; \ long __cu_len; \ \ - might_sleep(); \ __cu_to = (to); \ __cu_from = (from); \ __cu_len = (n); \ - if (access_ok(VERIFY_WRITE, __cu_to, __cu_len)) \ + if (access_ok(VERIFY_WRITE, __cu_to, __cu_len)) { \ + might_fault(); \ __cu_len = __invoke_copy_to_user(__cu_to, __cu_from, \ __cu_len); \ + } \ __cu_len; \ }) @@ -831,10 +846,10 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n); const void __user *__cu_from; \ long __cu_len; \ \ - might_sleep(); \ __cu_to = (to); \ __cu_from = (from); \ __cu_len = (n); \ + might_fault(); \ __cu_len = __invoke_copy_from_user(__cu_to, __cu_from, \ __cu_len); \ __cu_len; \ @@ -862,17 +877,31 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n); const void __user *__cu_from; \ long __cu_len; \ \ - might_sleep(); \ __cu_to = (to); \ __cu_from = (from); \ __cu_len = (n); \ - if (access_ok(VERIFY_READ, __cu_from, __cu_len)) \ + if (access_ok(VERIFY_READ, __cu_from, __cu_len)) { \ + might_fault(); \ __cu_len = __invoke_copy_from_user(__cu_to, __cu_from, \ __cu_len); \ + } \ __cu_len; \ }) -#define __copy_in_user(to, from, n) __copy_from_user(to, from, n) +#define __copy_in_user(to, from, n) \ +({ \ + void __user *__cu_to; \ + const void __user *__cu_from; \ + long __cu_len; \ + \ + __cu_to = (to); \ + __cu_from = (from); \ + __cu_len = (n); \ + might_fault(); \ + __cu_len = __invoke_copy_from_user(__cu_to, __cu_from, \ + __cu_len); \ + __cu_len; \ +}) #define copy_in_user(to, from, n) \ ({ \ @@ -880,14 +909,15 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n); const void __user *__cu_from; \ long __cu_len; \ \ - might_sleep(); \ __cu_to = (to); \ __cu_from = (from); \ __cu_len = (n); \ if (likely(access_ok(VERIFY_READ, __cu_from, __cu_len) && \ - access_ok(VERIFY_WRITE, __cu_to, __cu_len))) \ + access_ok(VERIFY_WRITE, __cu_to, __cu_len))) { \ + might_fault(); \ __cu_len = __invoke_copy_from_user(__cu_to, __cu_from, \ __cu_len); \ + } \ __cu_len; \ }) @@ -907,7 +937,7 @@ __clear_user(void __user *addr, __kernel_size_t size) { __kernel_size_t res; - might_sleep(); + might_fault(); __asm__ __volatile__( "move\t$4, %1\n\t" "move\t$5, $0\n\t" @@ -956,7 +986,7 @@ __strncpy_from_user(char *__to, const char __user *__from, long __len) { long res; - might_sleep(); + might_fault(); __asm__ __volatile__( "move\t$4, %1\n\t" "move\t$5, %2\n\t" @@ -993,7 +1023,7 @@ strncpy_from_user(char *__to, const char __user *__from, long __len) { long res; - might_sleep(); + might_fault(); __asm__ __volatile__( "move\t$4, %1\n\t" "move\t$5, %2\n\t" @@ -1012,7 +1042,7 @@ static inline long __strlen_user(const char __user *s) { long res; - might_sleep(); + might_fault(); __asm__ __volatile__( "move\t$4, %1\n\t" __MODULE_JAL(__strlen_user_nocheck_asm) @@ -1042,7 +1072,7 @@ static inline long strlen_user(const char __user *s) { long res; - might_sleep(); + might_fault(); __asm__ __volatile__( "move\t$4, %1\n\t" __MODULE_JAL(__strlen_user_asm) @@ -1059,7 +1089,7 @@ static inline long __strnlen_user(const char __user *s, long n) { long res; - might_sleep(); + might_fault(); __asm__ __volatile__( "move\t$4, %1\n\t" "move\t$5, %2\n\t" @@ -1090,7 +1120,7 @@ static inline long strnlen_user(const char __user *s, long n) { long res; - might_sleep(); + might_fault(); __asm__ __volatile__( "move\t$4, %1\n\t" "move\t$5, %2\n\t" diff --git a/trunk/arch/mips/kernel/cevt-smtc.c b/trunk/arch/mips/kernel/cevt-smtc.c index 6d45e24db5bf..df6f5bc60572 100644 --- a/trunk/arch/mips/kernel/cevt-smtc.c +++ b/trunk/arch/mips/kernel/cevt-smtc.c @@ -245,7 +245,7 @@ irqreturn_t c0_compare_interrupt(int irq, void *dev_id) } -int __cpuinit mips_clockevent_init(void) +int __cpuinit smtc_clockevent_init(void) { uint64_t mips_freq = mips_hpt_frequency; unsigned int cpu = smp_processor_id(); diff --git a/trunk/arch/mips/kernel/scall64-n32.S b/trunk/arch/mips/kernel/scall64-n32.S index c2c16ef9218f..93cc672f4522 100644 --- a/trunk/arch/mips/kernel/scall64-n32.S +++ b/trunk/arch/mips/kernel/scall64-n32.S @@ -405,8 +405,8 @@ EXPORT(sysn32_call_table) PTR sys_eventfd PTR sys_fallocate PTR sys_timerfd_create - PTR sys_timerfd_gettime /* 5285 */ - PTR sys_timerfd_settime + PTR compat_sys_timerfd_gettime /* 5285 */ + PTR compat_sys_timerfd_settime PTR sys_signalfd4 PTR sys_eventfd2 PTR sys_epoll_create1 diff --git a/trunk/arch/mips/kernel/scall64-o32.S b/trunk/arch/mips/kernel/scall64-o32.S index 002fac27021e..a5598b2339dd 100644 --- a/trunk/arch/mips/kernel/scall64-o32.S +++ b/trunk/arch/mips/kernel/scall64-o32.S @@ -525,8 +525,8 @@ sys_call_table: PTR sys_eventfd PTR sys32_fallocate /* 4320 */ PTR sys_timerfd_create - PTR sys_timerfd_gettime - PTR sys_timerfd_settime + PTR compat_sys_timerfd_gettime + PTR compat_sys_timerfd_settime PTR compat_sys_signalfd4 PTR sys_eventfd2 /* 4325 */ PTR sys_epoll_create1 diff --git a/trunk/arch/mips/kernel/unaligned.c b/trunk/arch/mips/kernel/unaligned.c index bf4c4a979abb..67bd626942ab 100644 --- a/trunk/arch/mips/kernel/unaligned.c +++ b/trunk/arch/mips/kernel/unaligned.c @@ -482,19 +482,19 @@ static void emulate_load_store_insn(struct pt_regs *regs, return; die_if_kernel("Unhandled kernel unaligned access", regs); - send_sig(SIGSEGV, current, 1); + force_sig(SIGSEGV, current); return; sigbus: die_if_kernel("Unhandled kernel unaligned access", regs); - send_sig(SIGBUS, current, 1); + force_sig(SIGBUS, current); return; sigill: die_if_kernel("Unhandled kernel unaligned access or invalid instruction", regs); - send_sig(SIGILL, current, 1); + force_sig(SIGILL, current); } asmlinkage void do_ade(struct pt_regs *regs) diff --git a/trunk/arch/mips/lib/dump_tlb.c b/trunk/arch/mips/lib/dump_tlb.c index 779821cd54ab..3f69725556af 100644 --- a/trunk/arch/mips/lib/dump_tlb.c +++ b/trunk/arch/mips/lib/dump_tlb.c @@ -19,6 +19,15 @@ static inline const char *msk2str(unsigned int mask) case PM_16K: return "16kb"; case PM_64K: return "64kb"; case PM_256K: return "256kb"; +#ifdef CONFIG_CPU_CAVIUM_OCTEON + case PM_8K: return "8kb"; + case PM_32K: return "32kb"; + case PM_128K: return "128kb"; + case PM_512K: return "512kb"; + case PM_2M: return "2Mb"; + case PM_8M: return "8Mb"; + case PM_32M: return "32Mb"; +#endif #ifndef CONFIG_CPU_VR41XX case PM_1M: return "1Mb"; case PM_4M: return "4Mb"; diff --git a/trunk/arch/mips/mm/c-r4k.c b/trunk/arch/mips/mm/c-r4k.c index 58d9075e86fe..171951d2305b 100644 --- a/trunk/arch/mips/mm/c-r4k.c +++ b/trunk/arch/mips/mm/c-r4k.c @@ -1041,7 +1041,7 @@ static void __cpuinit probe_pcache(void) printk("Primary instruction cache %ldkB, %s, %s, linesize %d bytes.\n", icache_size >> 10, - cpu_has_vtag_icache ? "VIVT" : "VIPT", + c->icache.flags & MIPS_CACHE_VTAG ? "VIVT" : "VIPT", way_string[c->icache.ways], c->icache.linesz); printk("Primary data cache %ldkB, %s, %s, %s, linesize %d bytes\n", diff --git a/trunk/arch/mips/mm/dma-default.c b/trunk/arch/mips/mm/dma-default.c index bed56f1ac837..4fdb7f5216b9 100644 --- a/trunk/arch/mips/mm/dma-default.c +++ b/trunk/arch/mips/mm/dma-default.c @@ -209,7 +209,7 @@ dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long addr; addr = (unsigned long) page_address(page) + offset; - dma_cache_wback_inv(addr, size); + __dma_sync(addr, size, direction); } return plat_map_dma_mem_page(dev, page) + offset; @@ -217,23 +217,6 @@ dma_addr_t dma_map_page(struct device *dev, struct page *page, EXPORT_SYMBOL(dma_map_page); -void dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size, - enum dma_data_direction direction) -{ - BUG_ON(direction == DMA_NONE); - - if (!plat_device_is_coherent(dev) && direction != DMA_TO_DEVICE) { - unsigned long addr; - - addr = dma_addr_to_virt(dma_address); - dma_cache_wback_inv(addr, size); - } - - plat_unmap_dma_mem(dev, dma_address); -} - -EXPORT_SYMBOL(dma_unmap_page); - void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, enum dma_data_direction direction) { diff --git a/trunk/arch/mips/mm/highmem.c b/trunk/arch/mips/mm/highmem.c index 4481656d1065..2b1309b2580a 100644 --- a/trunk/arch/mips/mm/highmem.c +++ b/trunk/arch/mips/mm/highmem.c @@ -1,7 +1,12 @@ #include #include +#include #include +static pte_t *kmap_pte; + +unsigned long highstart_pfn, highend_pfn; + void *__kmap(struct page *page) { void *addr; @@ -14,6 +19,7 @@ void *__kmap(struct page *page) return addr; } +EXPORT_SYMBOL(__kmap); void __kunmap(struct page *page) { @@ -22,6 +28,7 @@ void __kunmap(struct page *page) return; kunmap_high(page); } +EXPORT_SYMBOL(__kunmap); /* * kmap_atomic/kunmap_atomic is significantly faster than kmap/kunmap because @@ -48,11 +55,12 @@ void *__kmap_atomic(struct page *page, enum km_type type) #ifdef CONFIG_DEBUG_HIGHMEM BUG_ON(!pte_none(*(kmap_pte - idx))); #endif - set_pte(kmap_pte-idx, mk_pte(page, kmap_prot)); + set_pte(kmap_pte-idx, mk_pte(page, PAGE_KERNEL)); local_flush_tlb_one((unsigned long)vaddr); return (void*) vaddr; } +EXPORT_SYMBOL(__kmap_atomic); void __kunmap_atomic(void *kvaddr, enum km_type type) { @@ -77,6 +85,7 @@ void __kunmap_atomic(void *kvaddr, enum km_type type) pagefault_enable(); } +EXPORT_SYMBOL(__kunmap_atomic); /* * This is the same as kmap_atomic() but can map memory that doesn't @@ -92,7 +101,7 @@ void *kmap_atomic_pfn(unsigned long pfn, enum km_type type) debug_kmap_atomic(type); idx = type + KM_TYPE_NR*smp_processor_id(); vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); - set_pte(kmap_pte-idx, pfn_pte(pfn, kmap_prot)); + set_pte(kmap_pte-idx, pfn_pte(pfn, PAGE_KERNEL)); flush_tlb_one(vaddr); return (void*) vaddr; @@ -111,7 +120,11 @@ struct page *__kmap_atomic_to_page(void *ptr) return pte_page(*pte); } -EXPORT_SYMBOL(__kmap); -EXPORT_SYMBOL(__kunmap); -EXPORT_SYMBOL(__kmap_atomic); -EXPORT_SYMBOL(__kunmap_atomic); +void __init kmap_init(void) +{ + unsigned long kmap_vstart; + + /* cache the first kmap pte */ + kmap_vstart = __fix_to_virt(FIX_KMAP_BEGIN); + kmap_pte = kmap_get_fixmap_pte(kmap_vstart); +} diff --git a/trunk/arch/mips/mm/init.c b/trunk/arch/mips/mm/init.c index d9348946a19e..c5511294a9ee 100644 --- a/trunk/arch/mips/mm/init.c +++ b/trunk/arch/mips/mm/init.c @@ -104,14 +104,6 @@ unsigned long setup_zero_pages(void) return 1UL << order; } -/* - * These are almost like kmap_atomic / kunmap_atmic except they take an - * additional address argument as the hint. - */ - -#define kmap_get_fixmap_pte(vaddr) \ - pte_offset_kernel(pmd_offset(pud_offset(pgd_offset_k(vaddr), (vaddr)), (vaddr)), (vaddr)) - #ifdef CONFIG_MIPS_MT_SMTC static pte_t *kmap_coherent_pte; static void __init kmap_coherent_init(void) @@ -264,24 +256,6 @@ void copy_from_user_page(struct vm_area_struct *vma, } } -#ifdef CONFIG_HIGHMEM -unsigned long highstart_pfn, highend_pfn; - -pte_t *kmap_pte; -pgprot_t kmap_prot; - -static void __init kmap_init(void) -{ - unsigned long kmap_vstart; - - /* cache the first kmap pte */ - kmap_vstart = __fix_to_virt(FIX_KMAP_BEGIN); - kmap_pte = kmap_get_fixmap_pte(kmap_vstart); - - kmap_prot = PAGE_KERNEL; -} -#endif /* CONFIG_HIGHMEM */ - void __init fixrange_init(unsigned long start, unsigned long end, pgd_t *pgd_base) { diff --git a/trunk/arch/mips/mm/sc-rm7k.c b/trunk/arch/mips/mm/sc-rm7k.c index e3abfb2d7e86..de69bfbf506e 100644 --- a/trunk/arch/mips/mm/sc-rm7k.c +++ b/trunk/arch/mips/mm/sc-rm7k.c @@ -29,7 +29,7 @@ extern unsigned long icache_way_size, dcache_way_size; #include -int rm7k_tcache_enabled; +static int rm7k_tcache_enabled; /* * Writeback and invalidate the primary cache dcache before DMA. @@ -121,7 +121,7 @@ static void rm7k_sc_disable(void) clear_c0_config(RM7K_CONF_SE); } -struct bcache_ops rm7k_sc_ops = { +static struct bcache_ops rm7k_sc_ops = { .bc_enable = rm7k_sc_enable, .bc_disable = rm7k_sc_disable, .bc_wback_inv = rm7k_sc_wback_inv, diff --git a/trunk/arch/mips/pmc-sierra/Kconfig b/trunk/arch/mips/pmc-sierra/Kconfig index 90261b83db04..c139988bb85d 100644 --- a/trunk/arch/mips/pmc-sierra/Kconfig +++ b/trunk/arch/mips/pmc-sierra/Kconfig @@ -36,18 +36,6 @@ config PMC_MSP7120_FPGA endchoice -menu "Options for PMC-Sierra MSP chipsets" - depends on PMC_MSP - -config PMC_MSP_EMBEDDED_ROOTFS - bool "Root filesystem embedded in kernel image" - select MTD - select MTD_BLOCK - select MTD_PMC_MSP_RAMROOT - select MTD_RAM - -endmenu - config HYPERTRANSPORT bool "Hypertransport Support for PMC-Sierra Yosemite" depends on PMC_YOSEMITE diff --git a/trunk/arch/mips/pmc-sierra/msp71xx/msp_prom.c b/trunk/arch/mips/pmc-sierra/msp71xx/msp_prom.c index e5bd5481d8db..c317a3623ce9 100644 --- a/trunk/arch/mips/pmc-sierra/msp71xx/msp_prom.c +++ b/trunk/arch/mips/pmc-sierra/msp71xx/msp_prom.c @@ -40,12 +40,6 @@ #include #include #include -#ifdef CONFIG_CRAMFS -#include -#endif -#ifdef CONFIG_SQUASHFS -#include -#endif #include #include @@ -435,10 +429,6 @@ struct prom_pmemblock *__init prom_getmdesc(void) char *str; unsigned int memsize; unsigned int heaptop; -#ifdef CONFIG_MTD_PMC_MSP_RAMROOT - void *ramroot_start; - unsigned long ramroot_size; -#endif int i; str = prom_getenv(memsz_env); @@ -506,19 +496,7 @@ struct prom_pmemblock *__init prom_getmdesc(void) i++; /* 3 */ mdesc[i].type = BOOT_MEM_RESERVED; mdesc[i].base = CPHYSADDR((u32)_text); -#ifdef CONFIG_MTD_PMC_MSP_RAMROOT - if (get_ramroot(&ramroot_start, &ramroot_size)) { - /* - * Rootfs in RAM -- follows kernel - * Combine rootfs image with kernel block so a - * page (4k) isn't wasted between memory blocks - */ - mdesc[i].size = CPHYSADDR(PAGE_ALIGN( - (u32)ramroot_start + ramroot_size)) - mdesc[i].base; - } else -#endif - mdesc[i].size = CPHYSADDR(PAGE_ALIGN( - (u32)_end)) - mdesc[i].base; + mdesc[i].size = CPHYSADDR(PAGE_ALIGN((u32)_end)) - mdesc[i].base; /* Remainder of RAM -- under memsize */ i++; /* 5 */ @@ -528,39 +506,3 @@ struct prom_pmemblock *__init prom_getmdesc(void) return &mdesc[0]; } - -/* rootfs functions */ -#ifdef CONFIG_MTD_PMC_MSP_RAMROOT -bool get_ramroot(void **start, unsigned long *size) -{ - extern char _end[]; - - /* Check for start following the end of the kernel */ - void *check_start = (void *)_end; - - /* Check for supported rootfs types */ -#ifdef CONFIG_CRAMFS - if (*(__u32 *)check_start == CRAMFS_MAGIC) { - /* Get CRAMFS size */ - *start = check_start; - *size = PAGE_ALIGN(((struct cramfs_super *) - check_start)->size); - - return true; - } -#endif -#ifdef CONFIG_SQUASHFS - if (*((unsigned int *)check_start) == SQUASHFS_MAGIC) { - /* Get SQUASHFS size */ - *start = check_start; - *size = PAGE_ALIGN(((struct squashfs_super_block *) - check_start)->bytes_used); - - return true; - } -#endif - - return false; -} -EXPORT_SYMBOL(get_ramroot); -#endif diff --git a/trunk/arch/mips/pmc-sierra/msp71xx/msp_setup.c b/trunk/arch/mips/pmc-sierra/msp71xx/msp_setup.c index c93675615f5d..a54e85b3cf29 100644 --- a/trunk/arch/mips/pmc-sierra/msp71xx/msp_setup.c +++ b/trunk/arch/mips/pmc-sierra/msp71xx/msp_setup.c @@ -21,7 +21,6 @@ #if defined(CONFIG_PMC_MSP7120_GW) #include -#include #define MSP_BOARD_RESET_GPIO 9 #endif @@ -88,11 +87,8 @@ void msp7120_reset(void) * as GPIO char driver may not be enabled and it would look up * data inRAM! */ - set_value_reg32(GPIO_CFG3_REG, - basic_mode_mask(MSP_BOARD_RESET_GPIO), - basic_mode(MSP_GPIO_OUTPUT, MSP_BOARD_RESET_GPIO)); - set_reg32(GPIO_DATA3_REG, - basic_data_mask(MSP_BOARD_RESET_GPIO)); + set_value_reg32(GPIO_CFG3_REG, 0xf000, 0x8000); + set_reg32(GPIO_DATA3_REG, 8); /* * In case GPIO9 doesn't reset the board (jumper configurable!) diff --git a/trunk/arch/mips/pmc-sierra/msp71xx/msp_time.c b/trunk/arch/mips/pmc-sierra/msp71xx/msp_time.c index 7cfeda5a651b..cca64e15f57f 100644 --- a/trunk/arch/mips/pmc-sierra/msp71xx/msp_time.c +++ b/trunk/arch/mips/pmc-sierra/msp71xx/msp_time.c @@ -81,10 +81,7 @@ void __init plat_time_init(void) mips_hpt_frequency = cpu_rate/2; } -void __init plat_timer_setup(struct irqaction *irq) +unsigned int __init get_c0_compare_int(void) { -#ifdef CONFIG_IRQ_MSP_CIC - /* we are using the vpe0 counter for timer interrupts */ - setup_irq(MSP_INT_VPE0_TIMER, irq); -#endif + return MSP_INT_VPE0_TIMER; } diff --git a/trunk/arch/mips/sgi-ip32/ip32-berr.c b/trunk/arch/mips/sgi-ip32/ip32-berr.c index a278e918a019..afc1cadbba37 100644 --- a/trunk/arch/mips/sgi-ip32/ip32-berr.c +++ b/trunk/arch/mips/sgi-ip32/ip32-berr.c @@ -16,7 +16,7 @@ #include #include -int ip32_be_handler(struct pt_regs *regs, int is_fixup) +static int ip32_be_handler(struct pt_regs *regs, int is_fixup) { int data = regs->cp0_cause & 4; diff --git a/trunk/arch/mips/sgi-ip32/ip32-irq.c b/trunk/arch/mips/sgi-ip32/ip32-irq.c index 83a0b3c359da..5c2bf111ca67 100644 --- a/trunk/arch/mips/sgi-ip32/ip32-irq.c +++ b/trunk/arch/mips/sgi-ip32/ip32-irq.c @@ -112,13 +112,13 @@ static void inline flush_mace_bus(void) extern irqreturn_t crime_memerr_intr(int irq, void *dev_id); extern irqreturn_t crime_cpuerr_intr(int irq, void *dev_id); -struct irqaction memerr_irq = { +static struct irqaction memerr_irq = { .handler = crime_memerr_intr, .flags = IRQF_DISABLED, .name = "CRIME memory error", }; -struct irqaction cpuerr_irq = { +static struct irqaction cpuerr_irq = { .handler = crime_cpuerr_intr, .flags = IRQF_DISABLED, .name = "CRIME CPU error", diff --git a/trunk/arch/mips/sibyte/bcm1480/irq.c b/trunk/arch/mips/sibyte/bcm1480/irq.c index 352352b3cb2f..c147c4b35d3f 100644 --- a/trunk/arch/mips/sibyte/bcm1480/irq.c +++ b/trunk/arch/mips/sibyte/bcm1480/irq.c @@ -113,7 +113,6 @@ static void bcm1480_set_affinity(unsigned int irq, const struct cpumask *mask) { int i = 0, old_cpu, cpu, int_on, k; u64 cur_ints; - struct irq_desc *desc = irq_desc + irq; unsigned long flags; unsigned int irq_dirty; @@ -127,8 +126,7 @@ static void bcm1480_set_affinity(unsigned int irq, const struct cpumask *mask) cpu = cpu_logical_map(i); /* Protect against other affinity changers and IMR manipulation */ - spin_lock_irqsave(&desc->lock, flags); - spin_lock(&bcm1480_imr_lock); + spin_lock_irqsave(&bcm1480_imr_lock, flags); /* Swizzle each CPU's IMR (but leave the IP selection alone) */ old_cpu = bcm1480_irq_owner[irq]; @@ -153,8 +151,7 @@ static void bcm1480_set_affinity(unsigned int irq, const struct cpumask *mask) ____raw_writeq(cur_ints, IOADDR(A_BCM1480_IMR_MAPPER(cpu) + R_BCM1480_IMR_INTERRUPT_MASK_H + (k*BCM1480_IMR_HL_SPACING))); } } - spin_unlock(&bcm1480_imr_lock); - spin_unlock_irqrestore(&desc->lock, flags); + spin_unlock_irqrestore(&bcm1480_imr_lock, flags); } #endif diff --git a/trunk/arch/mips/sibyte/sb1250/irq.c b/trunk/arch/mips/sibyte/sb1250/irq.c index c08ff582da6f..38cb998ade22 100644 --- a/trunk/arch/mips/sibyte/sb1250/irq.c +++ b/trunk/arch/mips/sibyte/sb1250/irq.c @@ -107,7 +107,6 @@ static void sb1250_set_affinity(unsigned int irq, const struct cpumask *mask) { int i = 0, old_cpu, cpu, int_on; u64 cur_ints; - struct irq_desc *desc = irq_desc + irq; unsigned long flags; i = cpumask_first(mask); @@ -121,8 +120,7 @@ static void sb1250_set_affinity(unsigned int irq, const struct cpumask *mask) cpu = cpu_logical_map(i); /* Protect against other affinity changers and IMR manipulation */ - spin_lock_irqsave(&desc->lock, flags); - spin_lock(&sb1250_imr_lock); + spin_lock_irqsave(&sb1250_imr_lock, flags); /* Swizzle each CPU's IMR (but leave the IP selection alone) */ old_cpu = sb1250_irq_owner[irq]; @@ -144,8 +142,7 @@ static void sb1250_set_affinity(unsigned int irq, const struct cpumask *mask) ____raw_writeq(cur_ints, IOADDR(A_IMR_MAPPER(cpu) + R_IMR_INTERRUPT_MASK)); } - spin_unlock(&sb1250_imr_lock); - spin_unlock_irqrestore(&desc->lock, flags); + spin_unlock_irqrestore(&sb1250_imr_lock, flags); } #endif diff --git a/trunk/arch/mips/txx9/generic/setup_tx4927.c b/trunk/arch/mips/txx9/generic/setup_tx4927.c index 914e93c62639..1093549df1a8 100644 --- a/trunk/arch/mips/txx9/generic/setup_tx4927.c +++ b/trunk/arch/mips/txx9/generic/setup_tx4927.c @@ -88,7 +88,7 @@ void __init tx4927_setup(void) { int i; __u32 divmode; - int cpuclk = 0; + unsigned int cpuclk = 0; u64 ccfg; txx9_reg_res_init(TX4927_REV_PCODE(), TX4927_REG_BASE, diff --git a/trunk/arch/mips/txx9/generic/setup_tx4938.c b/trunk/arch/mips/txx9/generic/setup_tx4938.c index f0844f891f0b..3925219b8973 100644 --- a/trunk/arch/mips/txx9/generic/setup_tx4938.c +++ b/trunk/arch/mips/txx9/generic/setup_tx4938.c @@ -93,7 +93,7 @@ void __init tx4938_setup(void) { int i; __u32 divmode; - int cpuclk = 0; + unsigned int cpuclk = 0; u64 ccfg; txx9_reg_res_init(TX4938_REV_PCODE(), TX4938_REG_BASE, diff --git a/trunk/arch/mips/txx9/generic/setup_tx4939.c b/trunk/arch/mips/txx9/generic/setup_tx4939.c index 7a25b573e9b0..c2bf150c8838 100644 --- a/trunk/arch/mips/txx9/generic/setup_tx4939.c +++ b/trunk/arch/mips/txx9/generic/setup_tx4939.c @@ -114,7 +114,7 @@ void __init tx4939_setup(void) int i; __u32 divmode; __u64 pcfg; - int cpuclk = 0; + unsigned int cpuclk = 0; txx9_reg_res_init(TX4939_REV_PCODE(), TX4939_REG_BASE, TX4939_REG_SIZE); diff --git a/trunk/arch/mips/txx9/rbtx4939/setup.c b/trunk/arch/mips/txx9/rbtx4939/setup.c index 011e1e332f47..4199c6fd4d1d 100644 --- a/trunk/arch/mips/txx9/rbtx4939/setup.c +++ b/trunk/arch/mips/txx9/rbtx4939/setup.c @@ -536,7 +536,7 @@ static void __init rbtx4939_setup(void) } struct txx9_board_vec rbtx4939_vec __initdata = { - .system = "Tothiba RBTX4939", + .system = "Toshiba RBTX4939", .prom_init = rbtx4939_prom_init, .mem_setup = rbtx4939_setup, .irq_setup = rbtx4939_irq_setup, diff --git a/trunk/arch/powerpc/boot/Makefile b/trunk/arch/powerpc/boot/Makefile index 8da2bf963b57..9ae7b7e2ba71 100644 --- a/trunk/arch/powerpc/boot/Makefile +++ b/trunk/arch/powerpc/boot/Makefile @@ -346,7 +346,7 @@ install: $(CONFIGURE) $(addprefix $(obj)/, $(image-y)) clean-files += $(image-) $(initrd-) cuImage.* dtbImage.* treeImage.* \ zImage zImage.initrd zImage.chrp zImage.coff zImage.holly \ zImage.iseries zImage.miboot zImage.pmac zImage.pseries \ - otheros.bld *.dtb + simpleImage.* otheros.bld *.dtb # clean up files cached by wrapper clean-kernel := vmlinux.strip vmlinux.bin diff --git a/trunk/arch/powerpc/boot/mktree.c b/trunk/arch/powerpc/boot/mktree.c index 45d06a8c7cd1..c2baae0a3d89 100644 --- a/trunk/arch/powerpc/boot/mktree.c +++ b/trunk/arch/powerpc/boot/mktree.c @@ -42,7 +42,7 @@ int main(int argc, char *argv[]) { int in_fd, out_fd; int nblks, i; - uint cksum, *cp; + unsigned int cksum, *cp; struct stat st; boot_block_t bt; @@ -90,7 +90,7 @@ int main(int argc, char *argv[]) cksum = 0; cp = (void *)&bt; - for (i=0; ioprofile_cpu_type = old.oprofile_cpu_type; t->oprofile_type = old.oprofile_type; } diff --git a/trunk/arch/powerpc/kernel/machine_kexec.c b/trunk/arch/powerpc/kernel/machine_kexec.c index d59e2b1bdcba..bb3d893a8353 100644 --- a/trunk/arch/powerpc/kernel/machine_kexec.c +++ b/trunk/arch/powerpc/kernel/machine_kexec.c @@ -125,8 +125,8 @@ void __init reserve_crashkernel(void) /* Crash kernel trumps memory limit */ if (memory_limit && memory_limit <= crashk_res.end) { memory_limit = crashk_res.end + 1; - printk("Adjusted memory limit for crashkernel, now 0x%lx\n", - memory_limit); + printk("Adjusted memory limit for crashkernel, now 0x%llx\n", + (unsigned long long)memory_limit); } printk(KERN_INFO "Reserving %ldMB of memory at %ldMB " diff --git a/trunk/arch/powerpc/kernel/pci-common.c b/trunk/arch/powerpc/kernel/pci-common.c index 9c69e7e145c5..4fee63cb53ff 100644 --- a/trunk/arch/powerpc/kernel/pci-common.c +++ b/trunk/arch/powerpc/kernel/pci-common.c @@ -1366,12 +1366,17 @@ static void __init pcibios_allocate_resources(int pass) for_each_pci_dev(dev) { pci_read_config_word(dev, PCI_COMMAND, &command); - for (idx = 0; idx < 6; idx++) { + for (idx = 0; idx <= PCI_ROM_RESOURCE; idx++) { r = &dev->resource[idx]; if (r->parent) /* Already allocated */ continue; if (!r->flags || (r->flags & IORESOURCE_UNSET)) continue; /* Not assigned at all */ + /* We only allocate ROMs on pass 1 just in case they + * have been screwed up by firmware + */ + if (idx == PCI_ROM_RESOURCE ) + disabled = 1; if (r->flags & IORESOURCE_IO) disabled = !(command & PCI_COMMAND_IO); else @@ -1382,17 +1387,19 @@ static void __init pcibios_allocate_resources(int pass) if (pass) continue; r = &dev->resource[PCI_ROM_RESOURCE]; - if (r->flags & IORESOURCE_ROM_ENABLE) { + if (r->flags) { /* Turn the ROM off, leave the resource region, * but keep it unregistered. */ u32 reg; - pr_debug("PCI: Switching off ROM of %s\n", - pci_name(dev)); - r->flags &= ~IORESOURCE_ROM_ENABLE; pci_read_config_dword(dev, dev->rom_base_reg, ®); - pci_write_config_dword(dev, dev->rom_base_reg, - reg & ~PCI_ROM_ADDRESS_ENABLE); + if (reg & PCI_ROM_ADDRESS_ENABLE) { + pr_debug("PCI: Switching off ROM of %s\n", + pci_name(dev)); + r->flags &= ~IORESOURCE_ROM_ENABLE; + pci_write_config_dword(dev, dev->rom_base_reg, + reg & ~PCI_ROM_ADDRESS_ENABLE); + } } } } diff --git a/trunk/arch/powerpc/kernel/pci_64.c b/trunk/arch/powerpc/kernel/pci_64.c index be574fc0d92f..96edb6f8babb 100644 --- a/trunk/arch/powerpc/kernel/pci_64.c +++ b/trunk/arch/powerpc/kernel/pci_64.c @@ -64,7 +64,7 @@ static u32 get_int_prop(struct device_node *np, const char *name, u32 def) return def; } -static unsigned int pci_parse_of_flags(u32 addr0) +static unsigned int pci_parse_of_flags(u32 addr0, int bridge) { unsigned int flags = 0; @@ -75,8 +75,17 @@ static unsigned int pci_parse_of_flags(u32 addr0) if (addr0 & 0x40000000) flags |= IORESOURCE_PREFETCH | PCI_BASE_ADDRESS_MEM_PREFETCH; + /* Note: We don't know whether the ROM has been left enabled + * by the firmware or not. We mark it as disabled (ie, we do + * not set the IORESOURCE_ROM_ENABLE flag) for now rather than + * do a config space read, it will be force-enabled if needed + */ + if (!bridge && (addr0 & 0xff) == 0x30) + flags |= IORESOURCE_READONLY; } else if (addr0 & 0x01000000) flags = IORESOURCE_IO | PCI_BASE_ADDRESS_SPACE_IO; + if (flags) + flags |= IORESOURCE_SIZEALIGN; return flags; } @@ -95,7 +104,7 @@ static void pci_parse_of_addrs(struct device_node *node, struct pci_dev *dev) return; pr_debug(" parse addresses (%d bytes) @ %p\n", proplen, addrs); for (; proplen >= 20; proplen -= 20, addrs += 5) { - flags = pci_parse_of_flags(addrs[0]); + flags = pci_parse_of_flags(addrs[0], 0); if (!flags) continue; base = of_read_number(&addrs[1], 2); @@ -293,7 +302,7 @@ void __devinit of_scan_pci_bridge(struct device_node *node, } i = 1; for (; len >= 32; len -= 32, ranges += 8) { - flags = pci_parse_of_flags(ranges[0]); + flags = pci_parse_of_flags(ranges[0], 1); size = of_read_number(&ranges[6], 2); if (flags == 0 || size == 0) continue; diff --git a/trunk/arch/powerpc/kernel/prom.c b/trunk/arch/powerpc/kernel/prom.c index 5ec6a9e23933..ce01ff2474da 100644 --- a/trunk/arch/powerpc/kernel/prom.c +++ b/trunk/arch/powerpc/kernel/prom.c @@ -426,7 +426,7 @@ static int __init early_parse_mem(char *p) return 1; memory_limit = PAGE_ALIGN(memparse(p, &p)); - DBG("memory limit = 0x%lx\n", memory_limit); + DBG("memory limit = 0x%llx\n", (unsigned long long)memory_limit); return 0; } @@ -1160,7 +1160,7 @@ static inline void __init phyp_dump_reserve_mem(void) {} void __init early_init_devtree(void *params) { - unsigned long limit; + phys_addr_t limit; DBG(" -> early_init_devtree(%p)\n", params); @@ -1204,7 +1204,7 @@ void __init early_init_devtree(void *params) limit = memory_limit; if (! limit) { - unsigned long memsize; + phys_addr_t memsize; /* Ensure that total memory size is page-aligned, because * otherwise mark_bootmem() gets upset. */ @@ -1218,7 +1218,7 @@ void __init early_init_devtree(void *params) lmb_analyze(); lmb_dump_all(); - DBG("Phys. mem: %lx\n", lmb_phys_mem_size()); + DBG("Phys. mem: %llx\n", lmb_phys_mem_size()); /* We may need to relocate the flat tree, do it now. * FIXME .. and the initrd too? */ diff --git a/trunk/arch/powerpc/mm/mem.c b/trunk/arch/powerpc/mm/mem.c index f668fa9ba804..d0602a76bf7f 100644 --- a/trunk/arch/powerpc/mm/mem.c +++ b/trunk/arch/powerpc/mm/mem.c @@ -57,7 +57,7 @@ int init_bootmem_done; int mem_init_done; -unsigned long memory_limit; +phys_addr_t memory_limit; #ifdef CONFIG_HIGHMEM pte_t *kmap_pte; diff --git a/trunk/arch/powerpc/oprofile/op_model_power4.c b/trunk/arch/powerpc/oprofile/op_model_power4.c index 3e3d91f536e0..80774092db77 100644 --- a/trunk/arch/powerpc/oprofile/op_model_power4.c +++ b/trunk/arch/powerpc/oprofile/op_model_power4.c @@ -26,6 +26,7 @@ static unsigned long reset_value[OP_MAX_COUNTER]; static int oprofile_running; +static int use_slot_nums; /* mmcr values are set in power4_reg_setup, used in power4_cpu_setup */ static u32 mmcr0_val; @@ -61,6 +62,12 @@ static int power4_reg_setup(struct op_counter_config *ctr, else mmcr0_val |= MMCR0_PROBLEM_DISABLE; + if (__is_processor(PV_POWER4) || __is_processor(PV_POWER4p) || + __is_processor(PV_970) || __is_processor(PV_970FX) || + __is_processor(PV_970MP) || __is_processor(PV_970GX) || + __is_processor(PV_POWER5) || __is_processor(PV_POWER5p)) + use_slot_nums = 1; + return 0; } @@ -206,7 +213,7 @@ static unsigned long get_pc(struct pt_regs *regs) mmcra = mfspr(SPRN_MMCRA); - if (mmcra & MMCRA_SAMPLE_ENABLE) { + if (use_slot_nums && (mmcra & MMCRA_SAMPLE_ENABLE)) { slot = ((mmcra & MMCRA_SLOT) >> MMCRA_SLOT_SHIFT); if (slot > 1) pc += 4 * (slot - 1); diff --git a/trunk/arch/powerpc/platforms/40x/Kconfig b/trunk/arch/powerpc/platforms/40x/Kconfig index 14e027f5be66..f39c953d5353 100644 --- a/trunk/arch/powerpc/platforms/40x/Kconfig +++ b/trunk/arch/powerpc/platforms/40x/Kconfig @@ -153,6 +153,7 @@ config 405GPR config XILINX_VIRTEX bool + select DEFAULT_UIMAGE config XILINX_VIRTEX_II_PRO bool diff --git a/trunk/arch/powerpc/platforms/44x/Kconfig b/trunk/arch/powerpc/platforms/44x/Kconfig index bf5c7ff2e6e5..0d83a6a0397d 100644 --- a/trunk/arch/powerpc/platforms/44x/Kconfig +++ b/trunk/arch/powerpc/platforms/44x/Kconfig @@ -246,6 +246,7 @@ config IBM440EP_ERR42 # Xilinx specific config options. config XILINX_VIRTEX bool + select DEFAULT_UIMAGE # Xilinx Virtex 5 FXT FPGA architecture, selected by a Xilinx board above config XILINX_VIRTEX_5_FXT diff --git a/trunk/arch/powerpc/platforms/cell/ras.c b/trunk/arch/powerpc/platforms/cell/ras.c index 5f961c464cc4..296b5268754e 100644 --- a/trunk/arch/powerpc/platforms/cell/ras.c +++ b/trunk/arch/powerpc/platforms/cell/ras.c @@ -122,12 +122,23 @@ static int __init cbe_ptcal_enable_on_node(int nid, int order) area->nid = nid; area->order = order; - area->pages = alloc_pages_node(area->nid, GFP_KERNEL, area->order); + area->pages = alloc_pages_node(area->nid, GFP_KERNEL | GFP_THISNODE, + area->order); - if (!area->pages) + if (!area->pages) { + printk(KERN_WARNING "%s: no page on node %d\n", + __func__, area->nid); goto out_free_area; + } - addr = __pa(page_address(area->pages)); + /* + * We move the ptcal area to the middle of the allocated + * page, in order to avoid prefetches in memcpy and similar + * functions stepping on it. + */ + addr = __pa(page_address(area->pages)) + (PAGE_SIZE >> 1); + printk(KERN_DEBUG "%s: enabling PTCAL on node %d address=0x%016lx\n", + __func__, area->nid, addr); ret = -EIO; if (rtas_call(ptcal_start_tok, 3, 1, NULL, area->nid, diff --git a/trunk/arch/powerpc/platforms/iseries/iommu.c b/trunk/arch/powerpc/platforms/iseries/iommu.c index ff43f1fd8343..40219823d9b0 100644 --- a/trunk/arch/powerpc/platforms/iseries/iommu.c +++ b/trunk/arch/powerpc/platforms/iseries/iommu.c @@ -174,9 +174,10 @@ static struct iommu_table *iommu_table_find(struct iommu_table * tbl) } -void iommu_devnode_init_iSeries(struct pci_dev *pdev, struct device_node *dn) +static void pci_dma_dev_setup_iseries(struct pci_dev *pdev) { struct iommu_table *tbl; + struct device_node *dn = pdev->sysdata; struct pci_dn *pdn = PCI_DN(dn); const u32 *lsn = of_get_property(dn, "linux,logical-slot-number", NULL); @@ -194,6 +195,8 @@ void iommu_devnode_init_iSeries(struct pci_dev *pdev, struct device_node *dn) kfree(tbl); pdev->dev.archdata.dma_data = pdn->iommu_table; } +#else +#define pci_dma_dev_setup_iseries NULL #endif static struct iommu_table veth_iommu_table; @@ -251,5 +254,6 @@ void iommu_init_early_iSeries(void) ppc_md.tce_build = tce_build_iSeries; ppc_md.tce_free = tce_free_iSeries; + ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_iseries; set_pci_dma_ops(&dma_iommu_ops); } diff --git a/trunk/arch/powerpc/platforms/iseries/pci.c b/trunk/arch/powerpc/platforms/iseries/pci.c index 02a634faedbe..21cddc30220b 100644 --- a/trunk/arch/powerpc/platforms/iseries/pci.c +++ b/trunk/arch/powerpc/platforms/iseries/pci.c @@ -444,7 +444,6 @@ void __init iSeries_pcibios_fixup_resources(struct pci_dev *pdev) pdev->sysdata = node; allocate_device_bars(pdev); iseries_device_information(pdev, bus, *sub_bus); - iommu_devnode_init_iSeries(pdev, node); } /* diff --git a/trunk/arch/powerpc/sysdev/fsl_soc.c b/trunk/arch/powerpc/sysdev/fsl_soc.c index afe8dbc964aa..5c64ccd402e2 100644 --- a/trunk/arch/powerpc/sysdev/fsl_soc.c +++ b/trunk/arch/powerpc/sysdev/fsl_soc.c @@ -208,52 +208,6 @@ static int __init of_add_fixed_phys(void) arch_initcall(of_add_fixed_phys); #endif /* CONFIG_FIXED_PHY */ -#ifdef CONFIG_PPC_83xx -static int __init mpc83xx_wdt_init(void) -{ - struct resource r; - struct device_node *np; - struct platform_device *dev; - u32 freq = fsl_get_sys_freq(); - int ret; - - np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt"); - - if (!np) { - ret = -ENODEV; - goto nodev; - } - - memset(&r, 0, sizeof(r)); - - ret = of_address_to_resource(np, 0, &r); - if (ret) - goto err; - - dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1); - if (IS_ERR(dev)) { - ret = PTR_ERR(dev); - goto err; - } - - ret = platform_device_add_data(dev, &freq, sizeof(freq)); - if (ret) - goto unreg; - - of_node_put(np); - return 0; - -unreg: - platform_device_unregister(dev); -err: - of_node_put(np); -nodev: - return ret; -} - -arch_initcall(mpc83xx_wdt_init); -#endif - static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type) { if (!phy_type) diff --git a/trunk/arch/powerpc/sysdev/mpic.c b/trunk/arch/powerpc/sysdev/mpic.c index 21b956701596..0efc12d1a3d7 100644 --- a/trunk/arch/powerpc/sysdev/mpic.c +++ b/trunk/arch/powerpc/sysdev/mpic.c @@ -1057,13 +1057,6 @@ struct mpic * __init mpic_alloc(struct device_node *node, memset(mpic, 0, sizeof(struct mpic)); mpic->name = name; - mpic->irqhost = irq_alloc_host(node, IRQ_HOST_MAP_LINEAR, - isu_size, &mpic_host_ops, - flags & MPIC_LARGE_VECTORS ? 2048 : 256); - if (mpic->irqhost == NULL) - return NULL; - - mpic->irqhost->host_data = mpic; mpic->hc_irq = mpic_irq_chip; mpic->hc_irq.typename = name; if (flags & MPIC_PRIMARY) @@ -1213,6 +1206,15 @@ struct mpic * __init mpic_alloc(struct device_node *node, mpic->isu_shift = 1 + __ilog2(mpic->isu_size - 1); mpic->isu_mask = (1 << mpic->isu_shift) - 1; + mpic->irqhost = irq_alloc_host(node, IRQ_HOST_MAP_LINEAR, + isu_size ? isu_size : mpic->num_sources, + &mpic_host_ops, + flags & MPIC_LARGE_VECTORS ? 2048 : 256); + if (mpic->irqhost == NULL) + return NULL; + + mpic->irqhost->host_data = mpic; + /* Display version */ switch (greg_feature & MPIC_GREG_FEATURE_VERSION_MASK) { case 1: diff --git a/trunk/arch/powerpc/sysdev/xilinx_intc.c b/trunk/arch/powerpc/sysdev/xilinx_intc.c index a22e1a2df1af..c658b413c9b4 100644 --- a/trunk/arch/powerpc/sysdev/xilinx_intc.c +++ b/trunk/arch/powerpc/sysdev/xilinx_intc.c @@ -41,8 +41,32 @@ static struct irq_host *master_irqhost; +#define XILINX_INTC_MAXIRQS (32) + +/* The following table allows the interrupt type, edge or level, + * to be cached after being read from the device tree until the interrupt + * is mapped + */ +static int xilinx_intc_typetable[XILINX_INTC_MAXIRQS]; + +/* Map the interrupt type from the device tree to the interrupt types + * used by the interrupt subsystem + */ +static unsigned char xilinx_intc_map_senses[] = { + IRQ_TYPE_EDGE_RISING, + IRQ_TYPE_EDGE_FALLING, + IRQ_TYPE_LEVEL_HIGH, + IRQ_TYPE_LEVEL_LOW, +}; + /* - * IRQ Chip operations + * The interrupt controller is setup such that it doesn't work well with + * the level interrupt handler in the kernel because the handler acks the + * interrupt before calling the application interrupt handler. To deal with + * that, we use 2 different irq chips so that different functions can be + * used for level and edge type interrupts. + * + * IRQ Chip common (across level and edge) operations */ static void xilinx_intc_mask(unsigned int virq) { @@ -52,15 +76,54 @@ static void xilinx_intc_mask(unsigned int virq) out_be32(regs + XINTC_CIE, 1 << irq); } -static void xilinx_intc_unmask(unsigned int virq) +static int xilinx_intc_set_type(unsigned int virq, unsigned int flow_type) +{ + struct irq_desc *desc = get_irq_desc(virq); + + desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL); + desc->status |= flow_type & IRQ_TYPE_SENSE_MASK; + if (flow_type & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW)) + desc->status |= IRQ_LEVEL; + return 0; +} + +/* + * IRQ Chip level operations + */ +static void xilinx_intc_level_unmask(unsigned int virq) { int irq = virq_to_hw(virq); void * regs = get_irq_chip_data(virq); pr_debug("unmask: %d\n", irq); out_be32(regs + XINTC_SIE, 1 << irq); + + /* ack level irqs because they can't be acked during + * ack function since the handle_level_irq function + * acks the irq before calling the inerrupt handler + */ + out_be32(regs + XINTC_IAR, 1 << irq); } -static void xilinx_intc_ack(unsigned int virq) +static struct irq_chip xilinx_intc_level_irqchip = { + .typename = "Xilinx Level INTC", + .mask = xilinx_intc_mask, + .mask_ack = xilinx_intc_mask, + .unmask = xilinx_intc_level_unmask, + .set_type = xilinx_intc_set_type, +}; + +/* + * IRQ Chip edge operations + */ +static void xilinx_intc_edge_unmask(unsigned int virq) +{ + int irq = virq_to_hw(virq); + void *regs = get_irq_chip_data(virq); + pr_debug("unmask: %d\n", irq); + out_be32(regs + XINTC_SIE, 1 << irq); +} + +static void xilinx_intc_edge_ack(unsigned int virq) { int irq = virq_to_hw(virq); void * regs = get_irq_chip_data(virq); @@ -68,27 +131,60 @@ static void xilinx_intc_ack(unsigned int virq) out_be32(regs + XINTC_IAR, 1 << irq); } -static struct irq_chip xilinx_intc_irqchip = { - .typename = "Xilinx INTC", +static struct irq_chip xilinx_intc_edge_irqchip = { + .typename = "Xilinx Edge INTC", .mask = xilinx_intc_mask, - .unmask = xilinx_intc_unmask, - .ack = xilinx_intc_ack, + .unmask = xilinx_intc_edge_unmask, + .ack = xilinx_intc_edge_ack, + .set_type = xilinx_intc_set_type, }; /* * IRQ Host operations */ + +/** + * xilinx_intc_xlate - translate virq# from device tree interrupts property + */ +static int xilinx_intc_xlate(struct irq_host *h, struct device_node *ct, + u32 *intspec, unsigned int intsize, + irq_hw_number_t *out_hwirq, + unsigned int *out_flags) +{ + if ((intsize < 2) || (intspec[0] >= XILINX_INTC_MAXIRQS)) + return -EINVAL; + + /* keep a copy of the interrupt type til the interrupt is mapped + */ + xilinx_intc_typetable[intspec[0]] = xilinx_intc_map_senses[intspec[1]]; + + /* Xilinx uses 2 interrupt entries, the 1st being the h/w + * interrupt number, the 2nd being the interrupt type, edge or level + */ + *out_hwirq = intspec[0]; + *out_flags = xilinx_intc_map_senses[intspec[1]]; + + return 0; +} static int xilinx_intc_map(struct irq_host *h, unsigned int virq, irq_hw_number_t irq) { set_irq_chip_data(virq, h->host_data); - set_irq_chip_and_handler(virq, &xilinx_intc_irqchip, handle_level_irq); - set_irq_type(virq, IRQ_TYPE_NONE); + + if (xilinx_intc_typetable[irq] == IRQ_TYPE_LEVEL_HIGH || + xilinx_intc_typetable[irq] == IRQ_TYPE_LEVEL_LOW) { + set_irq_chip_and_handler(virq, &xilinx_intc_level_irqchip, + handle_level_irq); + } else { + set_irq_chip_and_handler(virq, &xilinx_intc_edge_irqchip, + handle_edge_irq); + } return 0; } static struct irq_host_ops xilinx_intc_ops = { .map = xilinx_intc_map, + .xlate = xilinx_intc_xlate, }; struct irq_host * __init @@ -116,7 +212,8 @@ xilinx_intc_init(struct device_node *np) out_be32(regs + XINTC_MER, 0x3UL); /* Turn on the Master Enable. */ /* Allocate and initialize an irq_host structure. */ - irq = irq_alloc_host(np, IRQ_HOST_MAP_LINEAR, 32, &xilinx_intc_ops, -1); + irq = irq_alloc_host(np, IRQ_HOST_MAP_LINEAR, XILINX_INTC_MAXIRQS, + &xilinx_intc_ops, -1); if (!irq) panic(__FILE__ ": Cannot allocate IRQ host\n"); irq->host_data = regs; diff --git a/trunk/arch/x86/kvm/svm.c b/trunk/arch/x86/kvm/svm.c index 1821c2078199..1f8510c51d6e 100644 --- a/trunk/arch/x86/kvm/svm.c +++ b/trunk/arch/x86/kvm/svm.c @@ -411,7 +411,6 @@ static __init int svm_hardware_setup(void) iopm_va = page_address(iopm_pages); memset(iopm_va, 0xff, PAGE_SIZE * (1 << IOPM_ALLOC_ORDER)); - clear_bit(0x80, iopm_va); /* allow direct access to PC debug port */ iopm_base = page_to_pfn(iopm_pages) << PAGE_SHIFT; if (boot_cpu_has(X86_FEATURE_NX)) @@ -796,6 +795,11 @@ static void svm_get_segment(struct kvm_vcpu *vcpu, var->db = (s->attrib >> SVM_SELECTOR_DB_SHIFT) & 1; var->g = (s->attrib >> SVM_SELECTOR_G_SHIFT) & 1; + /* AMD's VMCB does not have an explicit unusable field, so emulate it + * for cross vendor migration purposes by "not present" + */ + var->unusable = !var->present || (var->type == 0); + switch (seg) { case VCPU_SREG_CS: /* @@ -827,8 +831,6 @@ static void svm_get_segment(struct kvm_vcpu *vcpu, var->type |= 0x1; break; } - - var->unusable = !var->present; } static int svm_get_cpl(struct kvm_vcpu *vcpu) diff --git a/trunk/arch/x86/kvm/x86.c b/trunk/arch/x86/kvm/x86.c index 7c1ce5ac6131..49079a46687b 100644 --- a/trunk/arch/x86/kvm/x86.c +++ b/trunk/arch/x86/kvm/x86.c @@ -1121,9 +1121,9 @@ void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) static int is_efer_nx(void) { - u64 efer; + unsigned long long efer = 0; - rdmsrl(MSR_EFER, efer); + rdmsrl_safe(MSR_EFER, &efer); return efer & EFER_NX; } @@ -1259,7 +1259,7 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, bit(X86_FEATURE_CMOV) | bit(X86_FEATURE_PSE36) | bit(X86_FEATURE_MMX) | bit(X86_FEATURE_FXSR) | bit(X86_FEATURE_SYSCALL) | - (bit(X86_FEATURE_NX) && is_efer_nx()) | + (is_efer_nx() ? bit(X86_FEATURE_NX) : 0) | #ifdef CONFIG_X86_64 bit(X86_FEATURE_LM) | #endif diff --git a/trunk/arch/xtensa/Kconfig b/trunk/arch/xtensa/Kconfig index fa6dc4dd3b19..ebe228d02b08 100644 --- a/trunk/arch/xtensa/Kconfig +++ b/trunk/arch/xtensa/Kconfig @@ -80,6 +80,7 @@ config XTENSA_VARIANT_S6000 bool "s6000 - Stretch software configurable processor" select VARIANT_IRQ_SWITCH select ARCH_REQUIRE_GPIOLIB + select XTENSA_CALIBRATE_CCOUNT endchoice config XTENSA_UNALIGNED_USER @@ -137,6 +138,8 @@ config PCI source "drivers/pci/Kconfig" +endmenu + menu "Platform options" choice @@ -153,8 +156,6 @@ config XTENSA_PLATFORM_ISS config XTENSA_PLATFORM_XT2000 bool "XT2000" - select XTENSA_CALIBRATE_CCOUNT - select PCI help XT2000 is the name of Tensilica's feature-rich emulation platform. This hardware is capable of running a full Linux distribution. @@ -192,8 +193,6 @@ config CMDLINE source "mm/Kconfig" -endmenu - config HOTPLUG bool "Support for hot-pluggable devices" help diff --git a/trunk/arch/xtensa/configs/s6105_defconfig b/trunk/arch/xtensa/configs/s6105_defconfig index 6e1deff41590..768bee006037 100644 --- a/trunk/arch/xtensa/configs/s6105_defconfig +++ b/trunk/arch/xtensa/configs/s6105_defconfig @@ -115,7 +115,7 @@ CONFIG_XTENSA_VARIANT_S6000=y CONFIG_PREEMPT=y # CONFIG_MATH_EMULATION is not set # CONFIG_HIGHMEM is not set -# CONFIG_XTENSA_CALIBRATE_CCOUNT is not set +CONFIG_XTENSA_CALIBRATE_CCOUNT=y CONFIG_SERIAL_CONSOLE=y # CONFIG_XTENSA_ISS_NETWORK is not set @@ -131,7 +131,6 @@ CONFIG_SERIAL_CONSOLE=y # CONFIG_XTENSA_PLATFORM_ISS is not set # CONFIG_XTENSA_PLATFORM_XT2000 is not set CONFIG_XTENSA_PLATFORM_S6105=y -CONFIG_XTENSA_CPU_CLOCK=300 CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_CMDLINE_BOOL=y CONFIG_CMDLINE="console=ttyS1,38400 debug bootmem_debug loglevel=7" diff --git a/trunk/arch/xtensa/include/asm/checksum.h b/trunk/arch/xtensa/include/asm/checksum.h index f84d3f00774a..e4d831a30772 100644 --- a/trunk/arch/xtensa/include/asm/checksum.h +++ b/trunk/arch/xtensa/include/asm/checksum.h @@ -113,7 +113,8 @@ static __inline__ __sum16 ip_fast_csum(const void *iph, unsigned int ihl) are modified, we must also specify them as outputs, or gcc will assume they contain their original values. */ : "=r" (sum), "=r" (iph), "=r" (ihl), "=&r" (tmp), "=&r" (endaddr) - : "1" (iph), "2" (ihl)); + : "1" (iph), "2" (ihl) + : "memory"); return csum_fold(sum); } @@ -227,7 +228,8 @@ static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr, "1:\t" : "=r" (sum), "=&r" (__dummy) : "r" (saddr), "r" (daddr), - "r" (htonl(len)), "r" (htonl(proto)), "0" (sum)); + "r" (htonl(len)), "r" (htonl(proto)), "0" (sum) + : "memory"); return csum_fold(sum); } diff --git a/trunk/arch/xtensa/include/asm/timex.h b/trunk/arch/xtensa/include/asm/timex.h index b83a8181d448..053bc4272106 100644 --- a/trunk/arch/xtensa/include/asm/timex.h +++ b/trunk/arch/xtensa/include/asm/timex.h @@ -39,9 +39,9 @@ #ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT extern unsigned long ccount_per_jiffy; -extern unsigned long ccount_nsec; +extern unsigned long nsec_per_ccount; #define CCOUNT_PER_JIFFY ccount_per_jiffy -#define NSEC_PER_CCOUNT ccount_nsec +#define NSEC_PER_CCOUNT nsec_per_ccount #else #define CCOUNT_PER_JIFFY (CONFIG_XTENSA_CPU_CLOCK*(1000000UL/HZ)) #define NSEC_PER_CCOUNT (1000UL / CONFIG_XTENSA_CPU_CLOCK) diff --git a/trunk/arch/xtensa/kernel/Makefile b/trunk/arch/xtensa/kernel/Makefile index 7419dbccf027..fe3186de6a33 100644 --- a/trunk/arch/xtensa/kernel/Makefile +++ b/trunk/arch/xtensa/kernel/Makefile @@ -4,15 +4,30 @@ extra-y := head.o vmlinux.lds - obj-y := align.o entry.o irq.o coprocessor.o process.o ptrace.o \ setup.o signal.o syscall.o time.o traps.o vectors.o platform.o \ pci-dma.o init_task.o io.o -## windowspill.o - obj-$(CONFIG_KGDB) += xtensa-stub.o obj-$(CONFIG_PCI) += pci.o obj-$(CONFIG_MODULES) += xtensa_ksyms.o module.o +# In the Xtensa architecture, assembly generates literals which must always +# precede the L32R instruction with a relative offset less than 256 kB. +# Therefore, the .text and .literal section must be combined in parenthesis +# in the linker script, such as: *(.literal .text). +# +# We need to post-process the generated vmlinux.lds scripts to convert +# *(xxx.text) to *(xxx.literal xxx.text) for the following text sections: +# .text .ref.text .*init.text .*exit.text .text.* +# +# Replicate rules in scripts/Makefile.build + +sed-y = -e 's/(\(\.[a-z]*it\|\.ref\|\)\.text)/(\1.literal \1.text)/g' \ + -e 's/(\(\.text\.[a-z]*\))/(\1.literal \1)/g' + +quiet_cmd__cpp_lds_S = LDS $@ + cmd__cpp_lds_S = $(CPP) $(cpp_flags) -D__ASSEMBLY__ $< | sed $(sed-y) >$@ +$(obj)/vmlinux.lds: $(src)/vmlinux.lds.S FORCE + $(call if_changed_dep,_cpp_lds_S) diff --git a/trunk/arch/xtensa/kernel/traps.c b/trunk/arch/xtensa/kernel/traps.c index 9f0b71189e94..ba9ab9349782 100644 --- a/trunk/arch/xtensa/kernel/traps.c +++ b/trunk/arch/xtensa/kernel/traps.c @@ -369,6 +369,18 @@ void show_regs(struct pt_regs * regs) regs->syscall); } +static __always_inline unsigned long *stack_pointer(struct task_struct *task) +{ + unsigned long *sp; + + if (!task || task == current) + __asm__ __volatile__ ("mov %0, a1\n" : "=a"(sp)); + else + sp = (unsigned long *)task->thread.sp; + + return sp; +} + void show_trace(struct task_struct *task, unsigned long *sp) { unsigned long a0, a1, pc; @@ -377,7 +389,7 @@ void show_trace(struct task_struct *task, unsigned long *sp) if (sp) a1 = (unsigned long)sp; else - a1 = task->thread.sp; + a1 = (unsigned long)stack_pointer(task); sp_start = a1 & ~(THREAD_SIZE-1); sp_end = sp_start + THREAD_SIZE; @@ -420,7 +432,7 @@ void show_stack(struct task_struct *task, unsigned long *sp) unsigned long *stack; if (!sp) - sp = (unsigned long *)task->thread.sp; + sp = stack_pointer(task); stack = sp; printk("\nStack: "); diff --git a/trunk/arch/xtensa/kernel/vmlinux.lds.S b/trunk/arch/xtensa/kernel/vmlinux.lds.S index 5accf51053da..41c159cd872f 100644 --- a/trunk/arch/xtensa/kernel/vmlinux.lds.S +++ b/trunk/arch/xtensa/kernel/vmlinux.lds.S @@ -87,7 +87,7 @@ SECTIONS { /* The HEAD_TEXT section must be the first section! */ HEAD_TEXT - *(.literal .text) + TEXT_TEXT VMLINUX_SYMBOL(__sched_text_start) = .; *(.sched.literal .sched.text) VMLINUX_SYMBOL(__sched_text_end) = .; @@ -139,8 +139,6 @@ SECTIONS __init_begin = .; .init.text : { _sinittext = .; - *(.init.literal) *(.cpuinit.literal) - *(.devinit.literal) *(.meminit.literal) INIT_TEXT _einittext = .; } diff --git a/trunk/arch/xtensa/platforms/s6105/setup.c b/trunk/arch/xtensa/platforms/s6105/setup.c index ae041d5027a2..855ddeadc43d 100644 --- a/trunk/arch/xtensa/platforms/s6105/setup.c +++ b/trunk/arch/xtensa/platforms/s6105/setup.c @@ -10,6 +10,8 @@ #include #include +#include + #include void platform_halt(void) @@ -47,6 +49,7 @@ void __init platform_setup(char **cmdline) void __init platform_init(bp_tag_t *first) { + s6_gpio_init(); gpio_request(GPIO_LED1_NGREEN, "led1_green"); gpio_request(GPIO_LED1_RED, "led1_red"); gpio_direction_output(GPIO_LED1_NGREEN, 1); diff --git a/trunk/arch/xtensa/variants/s6000/Makefile b/trunk/arch/xtensa/variants/s6000/Makefile index 03b3975468bd..d83f3805130c 100644 --- a/trunk/arch/xtensa/variants/s6000/Makefile +++ b/trunk/arch/xtensa/variants/s6000/Makefile @@ -1,3 +1,4 @@ # s6000 Makefile obj-y += irq.o gpio.o +obj-$(CONFIG_XTENSA_CALIBRATE_CCOUNT) += delay.o diff --git a/trunk/arch/xtensa/variants/s6000/delay.c b/trunk/arch/xtensa/variants/s6000/delay.c new file mode 100644 index 000000000000..54b2b573f166 --- /dev/null +++ b/trunk/arch/xtensa/variants/s6000/delay.c @@ -0,0 +1,27 @@ +#include +#include +#include +#include + +#define LOOPS 10 +void platform_calibrate_ccount(void) +{ + u32 uninitialized_var(a); + u32 uninitialized_var(u); + u32 b; + u32 tstamp = S6_REG_GREG1 + S6_GREG1_GLOBAL_TIMER; + int i = LOOPS+1; + do { + u32 t = u; + asm volatile( + "1: l32i %0, %2, 0 ;" + " beq %0, %1, 1b ;" + : "=&a"(u) : "a"(t), "a"(tstamp)); + b = xtensa_get_ccount(); + if (i == LOOPS) + a = b; + } while (--i >= 0); + b -= a; + nsec_per_ccount = (LOOPS * 10000) / b; + ccount_per_jiffy = b * (100000UL / (LOOPS * HZ)); +} diff --git a/trunk/arch/xtensa/variants/s6000/gpio.c b/trunk/arch/xtensa/variants/s6000/gpio.c index 33a8d952934c..79317fdcf14c 100644 --- a/trunk/arch/xtensa/variants/s6000/gpio.c +++ b/trunk/arch/xtensa/variants/s6000/gpio.c @@ -64,8 +64,7 @@ static struct gpio_chip gpiochip = { .exported = 0, /* no exporting to userspace */ }; -static int gpio_init(void) +int s6_gpio_init(void) { return gpiochip_add(&gpiochip); } -device_initcall(gpio_init); diff --git a/trunk/arch/xtensa/variants/s6000/include/variant/gpio.h b/trunk/arch/xtensa/variants/s6000/include/variant/gpio.h new file mode 100644 index 000000000000..8327f62167eb --- /dev/null +++ b/trunk/arch/xtensa/variants/s6000/include/variant/gpio.h @@ -0,0 +1,6 @@ +#ifndef _XTENSA_VARIANT_S6000_GPIO_H +#define _XTENSA_VARIANT_S6000_GPIO_H + +extern int s6_gpio_init(void); + +#endif /* _XTENSA_VARIANT_S6000_GPIO_H */ diff --git a/trunk/drivers/ata/ata_piix.c b/trunk/drivers/ata/ata_piix.c index 942d14ac8792..d51a17c0f59b 100644 --- a/trunk/drivers/ata/ata_piix.c +++ b/trunk/drivers/ata/ata_piix.c @@ -72,6 +72,7 @@ * ICH2 spec c #20 - IDE PRD must not cross a 64K boundary * and must be dword aligned * ICH2 spec c #24 - UDMA mode 4,5 t85/86 should be 6ns not 3.3 + * ICH7 errata #16 - MWDMA1 timings are incorrect * * Should have been BIOS fixed: * 450NX: errata #19 - DMA hangs on old 450NX @@ -94,7 +95,7 @@ #include #define DRV_NAME "ata_piix" -#define DRV_VERSION "2.12" +#define DRV_VERSION "2.13" enum { PIIX_IOCFG = 0x54, /* IDE I/O configuration register */ @@ -136,6 +137,7 @@ enum piix_controller_ids { ich_pata_33, /* ICH up to UDMA 33 only */ ich_pata_66, /* ICH up to 66 Mhz */ ich_pata_100, /* ICH up to UDMA 100 */ + ich_pata_100_nomwdma1, /* ICH up to UDMA 100 but with no MWDMA1*/ ich5_sata, ich6_sata, ich6m_sata, @@ -216,8 +218,8 @@ static const struct pci_device_id piix_pci_tbl[] = { /* ICH6 (and 6) (i915) UDMA 100 */ { 0x8086, 0x266F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 }, /* ICH7/7-R (i945, i975) UDMA 100*/ - { 0x8086, 0x27DF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 }, - { 0x8086, 0x269E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 }, + { 0x8086, 0x27DF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100_nomwdma1 }, + { 0x8086, 0x269E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100_nomwdma1 }, /* ICH8 Mobile PATA Controller */ { 0x8086, 0x2850, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 }, @@ -487,6 +489,15 @@ static struct ata_port_info piix_port_info[] = { .port_ops = &ich_pata_ops, }, + [ich_pata_100_nomwdma1] = + { + .flags = PIIX_PATA_FLAGS | PIIX_FLAG_CHECKINTR, + .pio_mask = ATA_PIO4, + .mwdma_mask = ATA_MWDMA2_ONLY, + .udma_mask = ATA_UDMA5, + .port_ops = &ich_pata_ops, + }, + [ich5_sata] = { .flags = PIIX_SATA_FLAGS, @@ -594,6 +605,7 @@ static const struct ich_laptop ich_laptop[] = { { 0x24CA, 0x1025, 0x003d }, /* ICH4 on ACER TM290 */ { 0x266F, 0x1025, 0x0066 }, /* ICH6 on ACER Aspire 1694WLMi */ { 0x2653, 0x1043, 0x82D8 }, /* ICH6M on Asus Eee 701 */ + { 0x27df, 0x104d, 0x900e }, /* ICH7 on Sony TZ-90 */ /* end marker */ { 0, } }; diff --git a/trunk/drivers/ata/libata-core.c b/trunk/drivers/ata/libata-core.c index 17c5d48a75d2..c9242301cfa1 100644 --- a/trunk/drivers/ata/libata-core.c +++ b/trunk/drivers/ata/libata-core.c @@ -4091,7 +4091,9 @@ int ata_dev_revalidate(struct ata_device *dev, unsigned int new_class, /* fail early if !ATA && !ATAPI to avoid issuing [P]IDENTIFY to PMP */ if (ata_class_enabled(new_class) && - new_class != ATA_DEV_ATA && new_class != ATA_DEV_ATAPI) { + new_class != ATA_DEV_ATA && + new_class != ATA_DEV_ATAPI && + new_class != ATA_DEV_SEMB) { ata_dev_printk(dev, KERN_INFO, "class mismatch %u != %u\n", dev->class, new_class); rc = -ENODEV; diff --git a/trunk/drivers/ata/libata-eh.c b/trunk/drivers/ata/libata-eh.c index 01831312c360..94919ad03df1 100644 --- a/trunk/drivers/ata/libata-eh.c +++ b/trunk/drivers/ata/libata-eh.c @@ -2783,6 +2783,12 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link, } else if (dev->class == ATA_DEV_UNKNOWN && ehc->tries[dev->devno] && ata_class_enabled(ehc->classes[dev->devno])) { + /* Temporarily set dev->class, it will be + * permanently set once all configurations are + * complete. This is necessary because new + * device configuration is done in two + * separate loops. + */ dev->class = ehc->classes[dev->devno]; if (dev->class == ATA_DEV_PMP) @@ -2790,6 +2796,11 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link, else rc = ata_dev_read_id(dev, &dev->class, readid_flags, dev->id); + + /* read_id might have changed class, store and reset */ + ehc->classes[dev->devno] = dev->class; + dev->class = ATA_DEV_UNKNOWN; + switch (rc) { case 0: /* clear error info accumulated during probe */ @@ -2799,13 +2810,11 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link, case -ENOENT: /* IDENTIFY was issued to non-existent * device. No need to reset. Just - * thaw and kill the device. + * thaw and ignore the device. */ ata_eh_thaw_port(ap); - dev->class = ATA_DEV_UNKNOWN; break; default: - dev->class = ATA_DEV_UNKNOWN; goto err; } } @@ -2826,11 +2835,15 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link, dev->class == ATA_DEV_PMP) continue; + dev->class = ehc->classes[dev->devno]; + ehc->i.flags |= ATA_EHI_PRINTINFO; rc = ata_dev_configure(dev); ehc->i.flags &= ~ATA_EHI_PRINTINFO; - if (rc) + if (rc) { + dev->class = ATA_DEV_UNKNOWN; goto err; + } spin_lock_irqsave(ap->lock, flags); ap->pflags |= ATA_PFLAG_SCSI_HOTPLUG; @@ -3494,6 +3507,8 @@ static void ata_eh_handle_port_suspend(struct ata_port *ap) */ static void ata_eh_handle_port_resume(struct ata_port *ap) { + struct ata_link *link; + struct ata_device *dev; unsigned long flags; int rc = 0; @@ -3508,6 +3523,17 @@ static void ata_eh_handle_port_resume(struct ata_port *ap) WARN_ON(!(ap->pflags & ATA_PFLAG_SUSPENDED)); + /* + * Error timestamps are in jiffies which doesn't run while + * suspended and PHY events during resume isn't too uncommon. + * When the two are combined, it can lead to unnecessary speed + * downs if the machine is suspended and resumed repeatedly. + * Clear error history. + */ + ata_for_each_link(link, ap, HOST_FIRST) + ata_for_each_dev(dev, link, ALL) + ata_ering_clear(&dev->ering); + ata_acpi_set_state(ap, PMSG_ON); if (ap->ops->port_resume) diff --git a/trunk/drivers/ata/libata-scsi.c b/trunk/drivers/ata/libata-scsi.c index 2733b0c90b75..68d9132d8f6f 100644 --- a/trunk/drivers/ata/libata-scsi.c +++ b/trunk/drivers/ata/libata-scsi.c @@ -313,7 +313,7 @@ ata_scsi_em_message_show(struct device *dev, struct device_attribute *attr, return ap->ops->em_show(ap, buf); return -EINVAL; } -DEVICE_ATTR(em_message, S_IRUGO | S_IWUGO, +DEVICE_ATTR(em_message, S_IRUGO | S_IWUSR, ata_scsi_em_message_show, ata_scsi_em_message_store); EXPORT_SYMBOL_GPL(dev_attr_em_message); @@ -366,7 +366,7 @@ ata_scsi_activity_store(struct device *dev, struct device_attribute *attr, } return -EINVAL; } -DEVICE_ATTR(sw_activity, S_IWUGO | S_IRUGO, ata_scsi_activity_show, +DEVICE_ATTR(sw_activity, S_IWUSR | S_IRUGO, ata_scsi_activity_show, ata_scsi_activity_store); EXPORT_SYMBOL_GPL(dev_attr_sw_activity); diff --git a/trunk/drivers/ata/pata_pdc202xx_old.c b/trunk/drivers/ata/pata_pdc202xx_old.c index 5fedb3d4032b..2f3c9bed63d9 100644 --- a/trunk/drivers/ata/pata_pdc202xx_old.c +++ b/trunk/drivers/ata/pata_pdc202xx_old.c @@ -2,7 +2,7 @@ * pata_pdc202xx_old.c - Promise PDC202xx PATA for new ATA layer * (C) 2005 Red Hat Inc * Alan Cox - * (C) 2007 Bartlomiej Zolnierkiewicz + * (C) 2007,2009 Bartlomiej Zolnierkiewicz * * Based in part on linux/drivers/ide/pci/pdc202xx_old.c * @@ -158,7 +158,7 @@ static void pdc2026x_bmdma_start(struct ata_queued_cmd *qc) u32 len; /* Check we keep host level locking here */ - if (adev->dma_mode >= XFER_UDMA_2) + if (adev->dma_mode > XFER_UDMA_2) iowrite8(ioread8(clock) | sel66, clock); else iowrite8(ioread8(clock) & ~sel66, clock); @@ -212,7 +212,7 @@ static void pdc2026x_bmdma_stop(struct ata_queued_cmd *qc) iowrite8(ioread8(clock) & ~sel66, clock); } /* Flip back to 33Mhz for PIO */ - if (adev->dma_mode >= XFER_UDMA_2) + if (adev->dma_mode > XFER_UDMA_2) iowrite8(ioread8(clock) & ~sel66, clock); ata_bmdma_stop(qc); pdc202xx_set_piomode(ap, adev); diff --git a/trunk/drivers/ata/sata_mv.c b/trunk/drivers/ata/sata_mv.c index 870dcfd82357..23714aefb825 100644 --- a/trunk/drivers/ata/sata_mv.c +++ b/trunk/drivers/ata/sata_mv.c @@ -293,6 +293,10 @@ enum { FISCFG_WAIT_DEV_ERR = (1 << 8), /* wait for host on DevErr */ FISCFG_SINGLE_SYNC = (1 << 16), /* SYNC on DMA activation */ + PHY_MODE9_GEN2 = 0x398, + PHY_MODE9_GEN1 = 0x39c, + PHYCFG_OFS = 0x3a0, /* only in 65n devices */ + MV5_PHY_MODE = 0x74, MV5_LTMODE = 0x30, MV5_PHY_CTL = 0x0C, @@ -609,6 +613,8 @@ static int mv_soc_reset_hc(struct mv_host_priv *hpriv, static void mv_soc_reset_flash(struct mv_host_priv *hpriv, void __iomem *mmio); static void mv_soc_reset_bus(struct ata_host *host, void __iomem *mmio); +static void mv_soc_65n_phy_errata(struct mv_host_priv *hpriv, + void __iomem *mmio, unsigned int port); static void mv_reset_pci_bus(struct ata_host *host, void __iomem *mmio); static void mv_reset_channel(struct mv_host_priv *hpriv, void __iomem *mmio, unsigned int port_no); @@ -807,6 +813,14 @@ static const struct mv_hw_ops mv_soc_ops = { .reset_bus = mv_soc_reset_bus, }; +static const struct mv_hw_ops mv_soc_65n_ops = { + .phy_errata = mv_soc_65n_phy_errata, + .enable_leds = mv_soc_enable_leds, + .reset_hc = mv_soc_reset_hc, + .reset_flash = mv_soc_reset_flash, + .reset_bus = mv_soc_reset_bus, +}; + /* * Functions */ @@ -3397,6 +3411,53 @@ static void mv_soc_reset_bus(struct ata_host *host, void __iomem *mmio) return; } +static void mv_soc_65n_phy_errata(struct mv_host_priv *hpriv, + void __iomem *mmio, unsigned int port) +{ + void __iomem *port_mmio = mv_port_base(mmio, port); + u32 reg; + + reg = readl(port_mmio + PHY_MODE3); + reg &= ~(0x3 << 27); /* SELMUPF (bits 28:27) to 1 */ + reg |= (0x1 << 27); + reg &= ~(0x3 << 29); /* SELMUPI (bits 30:29) to 1 */ + reg |= (0x1 << 29); + writel(reg, port_mmio + PHY_MODE3); + + reg = readl(port_mmio + PHY_MODE4); + reg &= ~0x1; /* SATU_OD8 (bit 0) to 0, reserved bit 16 must be set */ + reg |= (0x1 << 16); + writel(reg, port_mmio + PHY_MODE4); + + reg = readl(port_mmio + PHY_MODE9_GEN2); + reg &= ~0xf; /* TXAMP[3:0] (bits 3:0) to 8 */ + reg |= 0x8; + reg &= ~(0x1 << 14); /* TXAMP[4] (bit 14) to 0 */ + writel(reg, port_mmio + PHY_MODE9_GEN2); + + reg = readl(port_mmio + PHY_MODE9_GEN1); + reg &= ~0xf; /* TXAMP[3:0] (bits 3:0) to 8 */ + reg |= 0x8; + reg &= ~(0x1 << 14); /* TXAMP[4] (bit 14) to 0 */ + writel(reg, port_mmio + PHY_MODE9_GEN1); +} + +/** + * soc_is_65 - check if the soc is 65 nano device + * + * Detect the type of the SoC, this is done by reading the PHYCFG_OFS + * register, this register should contain non-zero value and it exists only + * in the 65 nano devices, when reading it from older devices we get 0. + */ +static bool soc_is_65n(struct mv_host_priv *hpriv) +{ + void __iomem *port0_mmio = mv_port_base(hpriv->base, 0); + + if (readl(port0_mmio + PHYCFG_OFS)) + return true; + return false; +} + static void mv_setup_ifcfg(void __iomem *port_mmio, int want_gen2i) { u32 ifcfg = readl(port_mmio + SATA_IFCFG); @@ -3737,7 +3798,10 @@ static int mv_chip_id(struct ata_host *host, unsigned int board_idx) } break; case chip_soc: - hpriv->ops = &mv_soc_ops; + if (soc_is_65n(hpriv)) + hpriv->ops = &mv_soc_65n_ops; + else + hpriv->ops = &mv_soc_ops; hp_flags |= MV_HP_FLAG_SOC | MV_HP_GEN_IIE | MV_HP_ERRATA_60X1C0; break; @@ -3800,7 +3864,8 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx) n_hc = mv_get_hc_count(host->ports[0]->flags); for (port = 0; port < host->n_ports; port++) - hpriv->ops->read_preamp(hpriv, port, mmio); + if (hpriv->ops->read_preamp) + hpriv->ops->read_preamp(hpriv, port, mmio); rc = hpriv->ops->reset_hc(hpriv, mmio, n_hc); if (rc) diff --git a/trunk/drivers/dma/dmaengine.c b/trunk/drivers/dma/dmaengine.c index 92438e9dacc3..5a87384ea4ff 100644 --- a/trunk/drivers/dma/dmaengine.c +++ b/trunk/drivers/dma/dmaengine.c @@ -804,11 +804,14 @@ dma_async_memcpy_buf_to_buf(struct dma_chan *chan, void *dest, dma_addr_t dma_dest, dma_src; dma_cookie_t cookie; int cpu; + unsigned long flags; dma_src = dma_map_single(dev->dev, src, len, DMA_TO_DEVICE); dma_dest = dma_map_single(dev->dev, dest, len, DMA_FROM_DEVICE); - tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, - DMA_CTRL_ACK); + flags = DMA_CTRL_ACK | + DMA_COMPL_SRC_UNMAP_SINGLE | + DMA_COMPL_DEST_UNMAP_SINGLE; + tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, flags); if (!tx) { dma_unmap_single(dev->dev, dma_src, len, DMA_TO_DEVICE); @@ -850,11 +853,12 @@ dma_async_memcpy_buf_to_pg(struct dma_chan *chan, struct page *page, dma_addr_t dma_dest, dma_src; dma_cookie_t cookie; int cpu; + unsigned long flags; dma_src = dma_map_single(dev->dev, kdata, len, DMA_TO_DEVICE); dma_dest = dma_map_page(dev->dev, page, offset, len, DMA_FROM_DEVICE); - tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, - DMA_CTRL_ACK); + flags = DMA_CTRL_ACK | DMA_COMPL_SRC_UNMAP_SINGLE; + tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, flags); if (!tx) { dma_unmap_single(dev->dev, dma_src, len, DMA_TO_DEVICE); @@ -898,12 +902,13 @@ dma_async_memcpy_pg_to_pg(struct dma_chan *chan, struct page *dest_pg, dma_addr_t dma_dest, dma_src; dma_cookie_t cookie; int cpu; + unsigned long flags; dma_src = dma_map_page(dev->dev, src_pg, src_off, len, DMA_TO_DEVICE); dma_dest = dma_map_page(dev->dev, dest_pg, dest_off, len, DMA_FROM_DEVICE); - tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, - DMA_CTRL_ACK); + flags = DMA_CTRL_ACK; + tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, flags); if (!tx) { dma_unmap_page(dev->dev, dma_src, len, DMA_TO_DEVICE); diff --git a/trunk/drivers/dma/dmatest.c b/trunk/drivers/dma/dmatest.c index a27c0fb1bc11..fb7da5141e96 100644 --- a/trunk/drivers/dma/dmatest.c +++ b/trunk/drivers/dma/dmatest.c @@ -531,9 +531,7 @@ static int __init dmatest_init(void) chan = dma_request_channel(mask, filter, NULL); if (chan) { err = dmatest_add_channel(chan); - if (err == 0) - continue; - else { + if (err) { dma_release_channel(chan); break; /* add_channel failed, punt */ } diff --git a/trunk/drivers/dma/ioat_dma.c b/trunk/drivers/dma/ioat_dma.c index e4fc33c1c32f..1955ee8d6d20 100644 --- a/trunk/drivers/dma/ioat_dma.c +++ b/trunk/drivers/dma/ioat_dma.c @@ -1063,22 +1063,31 @@ static void ioat_dma_cleanup_tasklet(unsigned long data) static void ioat_dma_unmap(struct ioat_dma_chan *ioat_chan, struct ioat_desc_sw *desc) { - /* - * yes we are unmapping both _page and _single - * alloc'd regions with unmap_page. Is this - * *really* that bad? - */ - if (!(desc->async_tx.flags & DMA_COMPL_SKIP_DEST_UNMAP)) - pci_unmap_page(ioat_chan->device->pdev, - pci_unmap_addr(desc, dst), - pci_unmap_len(desc, len), - PCI_DMA_FROMDEVICE); - - if (!(desc->async_tx.flags & DMA_COMPL_SKIP_SRC_UNMAP)) - pci_unmap_page(ioat_chan->device->pdev, - pci_unmap_addr(desc, src), - pci_unmap_len(desc, len), - PCI_DMA_TODEVICE); + if (!(desc->async_tx.flags & DMA_COMPL_SKIP_DEST_UNMAP)) { + if (desc->async_tx.flags & DMA_COMPL_DEST_UNMAP_SINGLE) + pci_unmap_single(ioat_chan->device->pdev, + pci_unmap_addr(desc, dst), + pci_unmap_len(desc, len), + PCI_DMA_FROMDEVICE); + else + pci_unmap_page(ioat_chan->device->pdev, + pci_unmap_addr(desc, dst), + pci_unmap_len(desc, len), + PCI_DMA_FROMDEVICE); + } + + if (!(desc->async_tx.flags & DMA_COMPL_SKIP_SRC_UNMAP)) { + if (desc->async_tx.flags & DMA_COMPL_SRC_UNMAP_SINGLE) + pci_unmap_single(ioat_chan->device->pdev, + pci_unmap_addr(desc, src), + pci_unmap_len(desc, len), + PCI_DMA_TODEVICE); + else + pci_unmap_page(ioat_chan->device->pdev, + pci_unmap_addr(desc, src), + pci_unmap_len(desc, len), + PCI_DMA_TODEVICE); + } } /** @@ -1363,6 +1372,7 @@ static int ioat_dma_self_test(struct ioatdma_device *device) int err = 0; struct completion cmp; unsigned long tmo; + unsigned long flags; src = kzalloc(sizeof(u8) * IOAT_TEST_SIZE, GFP_KERNEL); if (!src) @@ -1392,8 +1402,9 @@ static int ioat_dma_self_test(struct ioatdma_device *device) DMA_TO_DEVICE); dma_dest = dma_map_single(dma_chan->device->dev, dest, IOAT_TEST_SIZE, DMA_FROM_DEVICE); + flags = DMA_COMPL_SRC_UNMAP_SINGLE | DMA_COMPL_DEST_UNMAP_SINGLE; tx = device->common.device_prep_dma_memcpy(dma_chan, dma_dest, dma_src, - IOAT_TEST_SIZE, 0); + IOAT_TEST_SIZE, flags); if (!tx) { dev_err(&device->pdev->dev, "Self-test prep failed, disabling\n"); diff --git a/trunk/drivers/dma/ipu/ipu_idmac.c b/trunk/drivers/dma/ipu/ipu_idmac.c index e202a6ce5573..9a5bc1a7389e 100644 --- a/trunk/drivers/dma/ipu/ipu_idmac.c +++ b/trunk/drivers/dma/ipu/ipu_idmac.c @@ -1272,7 +1272,8 @@ static irqreturn_t idmac_interrupt(int irq, void *dev_id) /* Other interrupts do not interfere with this channel */ spin_lock(&ichan->lock); if (unlikely(chan_id != IDMAC_SDC_0 && chan_id != IDMAC_SDC_1 && - ((curbuf >> chan_id) & 1) == ichan->active_buffer)) { + ((curbuf >> chan_id) & 1) == ichan->active_buffer && + !list_is_last(ichan->queue.next, &ichan->queue))) { int i = 100; /* This doesn't help. See comment in ipu_disable_channel() */ @@ -1547,7 +1548,7 @@ static irqreturn_t ic_sof_irq(int irq, void *dev_id) struct idmac_channel *ichan = dev_id; printk(KERN_DEBUG "Got SOF IRQ %d on Channel %d\n", irq, ichan->dma_chan.chan_id); - disable_irq(irq); + disable_irq_nosync(irq); return IRQ_HANDLED; } @@ -1556,7 +1557,7 @@ static irqreturn_t ic_eof_irq(int irq, void *dev_id) struct idmac_channel *ichan = dev_id; printk(KERN_DEBUG "Got EOF IRQ %d on Channel %d\n", irq, ichan->dma_chan.chan_id); - disable_irq(irq); + disable_irq_nosync(irq); return IRQ_HANDLED; } diff --git a/trunk/drivers/gpu/drm/Kconfig b/trunk/drivers/gpu/drm/Kconfig index 3a22eb9be378..17b24c580c09 100644 --- a/trunk/drivers/gpu/drm/Kconfig +++ b/trunk/drivers/gpu/drm/Kconfig @@ -71,6 +71,7 @@ config DRM_I915 select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT select FB + select FRAMEBUFFER_CONSOLE if !EMBEDDED tristate "i915 driver" help Choose this option if you have a system that has Intel 830M, 845G, diff --git a/trunk/drivers/hid/hid-ids.h b/trunk/drivers/hid/hid-ids.h index aa1b995dd033..4d5ee2bbc62b 100644 --- a/trunk/drivers/hid/hid-ids.h +++ b/trunk/drivers/hid/hid-ids.h @@ -113,6 +113,11 @@ #define USB_VENDOR_ID_BERKSHIRE 0x0c98 #define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140 +#define USB_VENDOR_ID_CH 0x068e +#define USB_DEVICE_ID_CH_PRO_PEDALS 0x00f2 +#define USB_DEVICE_ID_CH_COMBATSTICK 0x00f4 +#define USB_DEVICE_ID_CH_FLIGHT_SIM_YOKE 0x00ff + #define USB_VENDOR_ID_CHERRY 0x046a #define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023 diff --git a/trunk/drivers/hid/usbhid/hid-core.c b/trunk/drivers/hid/usbhid/hid-core.c index 900ce18dd549..ac8049b5f1e9 100644 --- a/trunk/drivers/hid/usbhid/hid-core.c +++ b/trunk/drivers/hid/usbhid/hid-core.c @@ -898,7 +898,7 @@ static int usbhid_parse(struct hid_device *hid) goto err; } - hid->quirks = quirks; + hid->quirks |= quirks; return 0; err: diff --git a/trunk/drivers/hid/usbhid/hid-quirks.c b/trunk/drivers/hid/usbhid/hid-quirks.c index 4391717d2519..d8f7423f363e 100644 --- a/trunk/drivers/hid/usbhid/hid-quirks.c +++ b/trunk/drivers/hid/usbhid/hid-quirks.c @@ -50,6 +50,9 @@ static const struct hid_blacklist { { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_COMBATSTICK, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FLIGHT_SIM_YOKE, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_PRO_PEDALS, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET }, { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET }, diff --git a/trunk/drivers/i2c/busses/Kconfig b/trunk/drivers/i2c/busses/Kconfig index a48c8aee0218..f1c6ca7e2852 100644 --- a/trunk/drivers/i2c/busses/Kconfig +++ b/trunk/drivers/i2c/busses/Kconfig @@ -467,7 +467,7 @@ config I2C_PXA_SLAVE config I2C_S3C2410 tristate "S3C2410 I2C Driver" - depends on ARCH_S3C2410 + depends on ARCH_S3C2410 || ARCH_S3C64XX help Say Y here to include support for I2C controller in the Samsung S3C2410 based System-on-Chip devices. diff --git a/trunk/drivers/i2c/busses/i2c-cpm.c b/trunk/drivers/i2c/busses/i2c-cpm.c index 3fcf78e906db..b5db8b883615 100644 --- a/trunk/drivers/i2c/busses/i2c-cpm.c +++ b/trunk/drivers/i2c/busses/i2c-cpm.c @@ -531,16 +531,16 @@ static int __devinit cpm_i2c_setup(struct cpm_i2c *cpm) rbdf = cpm->rbase; for (i = 0; i < CPM_MAXBD; i++) { - cpm->rxbuf[i] = dma_alloc_coherent( - NULL, CPM_MAX_READ + 1, &cpm->rxdma[i], GFP_KERNEL); + cpm->rxbuf[i] = dma_alloc_coherent(&cpm->ofdev->dev, + CPM_MAX_READ + 1, + &cpm->rxdma[i], GFP_KERNEL); if (!cpm->rxbuf[i]) { ret = -ENOMEM; goto out_muram; } out_be32(&rbdf[i].cbd_bufaddr, ((cpm->rxdma[i] + 1) & ~1)); - cpm->txbuf[i] = (unsigned char *)dma_alloc_coherent( - NULL, CPM_MAX_READ + 1, &cpm->txdma[i], GFP_KERNEL); + cpm->txbuf[i] = (unsigned char *)dma_alloc_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1, &cpm->txdma[i], GFP_KERNEL); if (!cpm->txbuf[i]) { ret = -ENOMEM; goto out_muram; @@ -585,10 +585,10 @@ static int __devinit cpm_i2c_setup(struct cpm_i2c *cpm) out_muram: for (i = 0; i < CPM_MAXBD; i++) { if (cpm->rxbuf[i]) - dma_free_coherent(NULL, CPM_MAX_READ + 1, + dma_free_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1, cpm->rxbuf[i], cpm->rxdma[i]); if (cpm->txbuf[i]) - dma_free_coherent(NULL, CPM_MAX_READ + 1, + dma_free_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1, cpm->txbuf[i], cpm->txdma[i]); } cpm_muram_free(cpm->dp_addr); @@ -619,9 +619,9 @@ static void cpm_i2c_shutdown(struct cpm_i2c *cpm) /* Free all memory */ for (i = 0; i < CPM_MAXBD; i++) { - dma_free_coherent(NULL, CPM_MAX_READ + 1, + dma_free_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1, cpm->rxbuf[i], cpm->rxdma[i]); - dma_free_coherent(NULL, CPM_MAX_READ + 1, + dma_free_coherent(&cpm->ofdev->dev, CPM_MAX_READ + 1, cpm->txbuf[i], cpm->txdma[i]); } diff --git a/trunk/drivers/i2c/busses/i2c-mpc.c b/trunk/drivers/i2c/busses/i2c-mpc.c index 4af5c09f0e8f..dd778d7ae047 100644 --- a/trunk/drivers/i2c/busses/i2c-mpc.c +++ b/trunk/drivers/i2c/busses/i2c-mpc.c @@ -164,7 +164,7 @@ static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing) return 0; } -#ifdef CONFIG_PPC_52xx +#ifdef CONFIG_PPC_MPC52xx static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] = { {20, 0x20}, {22, 0x21}, {24, 0x22}, {26, 0x23}, {28, 0x24}, {30, 0x01}, {32, 0x25}, {34, 0x02}, @@ -188,7 +188,7 @@ static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] = { int mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, int prescaler) { - const struct mpc52xx_i2c_divider *div = NULL; + const struct mpc_i2c_divider *div = NULL; unsigned int pvr = mfspr(SPRN_PVR); u32 divider; int i; @@ -203,7 +203,7 @@ int mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, int prescaler) * We want to choose an FDR/DFSR that generates an I2C bus speed that * is equal to or lower than the requested speed. */ - for (i = 0; i < ARRAY_SIZE(mpc52xx_i2c_dividers); i++) { + for (i = 0; i < ARRAY_SIZE(mpc_i2c_dividers_52xx); i++) { div = &mpc_i2c_dividers_52xx[i]; /* Old MPC5200 rev A CPUs do not support the high bits */ if (div->fdr & 0xc0 && pvr == 0x80822011) @@ -219,20 +219,23 @@ static void mpc_i2c_setclock_52xx(struct device_node *node, struct mpc_i2c *i2c, u32 clock, u32 prescaler) { - int fdr = mpc52xx_i2c_get_fdr(node, clock, prescaler); + int ret, fdr; + + ret = mpc_i2c_get_fdr_52xx(node, clock, prescaler); + fdr = (ret >= 0) ? ret : 0x3f; /* backward compatibility */ - if (fdr < 0) - fdr = 0x3f; /* backward compatibility */ writeb(fdr & 0xff, i2c->base + MPC_I2C_FDR); - dev_info(i2c->dev, "clock %d Hz (fdr=%d)\n", clock, fdr); + + if (ret >= 0) + dev_info(i2c->dev, "clock %d Hz (fdr=%d)\n", clock, fdr); } -#else /* !CONFIG_PPC_52xx */ +#else /* !CONFIG_PPC_MPC52xx */ static void mpc_i2c_setclock_52xx(struct device_node *node, struct mpc_i2c *i2c, u32 clock, u32 prescaler) { } -#endif /* CONFIG_PPC_52xx*/ +#endif /* CONFIG_PPC_MPC52xx*/ #ifdef CONFIG_FSL_SOC static const struct mpc_i2c_divider mpc_i2c_dividers_8xxx[] = { @@ -321,14 +324,17 @@ static void mpc_i2c_setclock_8xxx(struct device_node *node, struct mpc_i2c *i2c, u32 clock, u32 prescaler) { - int fdr = mpc_i2c_get_fdr_8xxx(node, clock, prescaler); + int ret, fdr; + + ret = mpc_i2c_get_fdr_8xxx(node, clock, prescaler); + fdr = (ret >= 0) ? ret : 0x1031; /* backward compatibility */ - if (fdr < 0) - fdr = 0x1031; /* backward compatibility */ writeb(fdr & 0xff, i2c->base + MPC_I2C_FDR); writeb((fdr >> 8) & 0xff, i2c->base + MPC_I2C_DFSRR); - dev_info(i2c->dev, "clock %d Hz (dfsrr=%d fdr=%d)\n", - clock, fdr >> 8, fdr & 0xff); + + if (ret >= 0) + dev_info(i2c->dev, "clock %d Hz (dfsrr=%d fdr=%d)\n", + clock, fdr >> 8, fdr & 0xff); } #else /* !CONFIG_FSL_SOC */ diff --git a/trunk/drivers/i2c/busses/i2c-pxa.c b/trunk/drivers/i2c/busses/i2c-pxa.c index c1405c8f6ba5..acc7143d9655 100644 --- a/trunk/drivers/i2c/busses/i2c-pxa.c +++ b/trunk/drivers/i2c/busses/i2c-pxa.c @@ -265,10 +265,10 @@ static int i2c_pxa_wait_bus_not_busy(struct pxa_i2c *i2c) show_state(i2c); } - if (timeout <= 0) + if (timeout < 0) show_state(i2c); - return timeout <= 0 ? I2C_RETRY : 0; + return timeout < 0 ? I2C_RETRY : 0; } static int i2c_pxa_wait_master(struct pxa_i2c *i2c) @@ -612,7 +612,7 @@ static int i2c_pxa_pio_set_master(struct pxa_i2c *i2c) show_state(i2c); } - if (timeout <= 0) { + if (timeout < 0) { show_state(i2c); dev_err(&i2c->adap.dev, "i2c_pxa: timeout waiting for bus free\n"); diff --git a/trunk/drivers/infiniband/hw/cxgb3/cxio_hal.c b/trunk/drivers/infiniband/hw/cxgb3/cxio_hal.c index 8d71086f5a1c..62f9cf2f94ec 100644 --- a/trunk/drivers/infiniband/hw/cxgb3/cxio_hal.c +++ b/trunk/drivers/infiniband/hw/cxgb3/cxio_hal.c @@ -410,6 +410,7 @@ int cxio_flush_sq(struct t3_wq *wq, struct t3_cq *cq, int count) ptr = wq->sq_rptr + count; sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2); while (ptr != wq->sq_wptr) { + sqp->signaled = 0; insert_sq_cqe(wq, cq, sqp); ptr++; sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2); diff --git a/trunk/drivers/infiniband/hw/mlx4/mlx4_ib.h b/trunk/drivers/infiniband/hw/mlx4/mlx4_ib.h index 9974e886b8de..8a7dd6795fa0 100644 --- a/trunk/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/trunk/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -86,6 +86,7 @@ struct mlx4_ib_mr { struct mlx4_ib_fast_reg_page_list { struct ib_fast_reg_page_list ibfrpl; + __be64 *mapped_page_list; dma_addr_t map; }; diff --git a/trunk/drivers/infiniband/hw/mlx4/mr.c b/trunk/drivers/infiniband/hw/mlx4/mr.c index 8e4d26d56a95..8f3666b20ea4 100644 --- a/trunk/drivers/infiniband/hw/mlx4/mr.c +++ b/trunk/drivers/infiniband/hw/mlx4/mr.c @@ -231,7 +231,11 @@ struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device if (!mfrpl) return ERR_PTR(-ENOMEM); - mfrpl->ibfrpl.page_list = dma_alloc_coherent(&dev->dev->pdev->dev, + mfrpl->ibfrpl.page_list = kmalloc(size, GFP_KERNEL); + if (!mfrpl->ibfrpl.page_list) + goto err_free; + + mfrpl->mapped_page_list = dma_alloc_coherent(&dev->dev->pdev->dev, size, &mfrpl->map, GFP_KERNEL); if (!mfrpl->ibfrpl.page_list) @@ -242,6 +246,7 @@ struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device return &mfrpl->ibfrpl; err_free: + kfree(mfrpl->ibfrpl.page_list); kfree(mfrpl); return ERR_PTR(-ENOMEM); } @@ -252,8 +257,9 @@ void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list) struct mlx4_ib_fast_reg_page_list *mfrpl = to_mfrpl(page_list); int size = page_list->max_page_list_len * sizeof (u64); - dma_free_coherent(&dev->dev->pdev->dev, size, page_list->page_list, + dma_free_coherent(&dev->dev->pdev->dev, size, mfrpl->mapped_page_list, mfrpl->map); + kfree(mfrpl->ibfrpl.page_list); kfree(mfrpl); } diff --git a/trunk/drivers/infiniband/hw/mlx4/qp.c b/trunk/drivers/infiniband/hw/mlx4/qp.c index f385a24d31d2..20724aee76f4 100644 --- a/trunk/drivers/infiniband/hw/mlx4/qp.c +++ b/trunk/drivers/infiniband/hw/mlx4/qp.c @@ -1365,7 +1365,7 @@ static void set_fmr_seg(struct mlx4_wqe_fmr_seg *fseg, struct ib_send_wr *wr) int i; for (i = 0; i < wr->wr.fast_reg.page_list_len; ++i) - wr->wr.fast_reg.page_list->page_list[i] = + mfrpl->mapped_page_list[i] = cpu_to_be64(wr->wr.fast_reg.page_list->page_list[i] | MLX4_MTT_FLAG_PRESENT); diff --git a/trunk/drivers/input/ff-memless.c b/trunk/drivers/input/ff-memless.c index bc4e40f3ede7..2d1415e16834 100644 --- a/trunk/drivers/input/ff-memless.c +++ b/trunk/drivers/input/ff-memless.c @@ -226,7 +226,7 @@ static int get_compatible_type(struct ff_device *ff, int effect_type) */ static void ml_combine_effects(struct ff_effect *effect, struct ml_effect_state *state, - int gain) + unsigned int gain) { struct ff_effect *new = state->effect; unsigned int strong, weak, i; diff --git a/trunk/drivers/input/joydev.c b/trunk/drivers/input/joydev.c index 4224f0112849..012a5e753991 100644 --- a/trunk/drivers/input/joydev.c +++ b/trunk/drivers/input/joydev.c @@ -843,7 +843,13 @@ static const struct input_device_id joydev_blacklist[] = { INPUT_DEVICE_ID_MATCH_KEYBIT, .evbit = { BIT_MASK(EV_KEY) }, .keybit = { [BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH) }, - }, /* Avoid itouchpads, touchscreens and tablets */ + }, /* Avoid itouchpads and touchscreens */ + { + .flags = INPUT_DEVICE_ID_MATCH_EVBIT | + INPUT_DEVICE_ID_MATCH_KEYBIT, + .evbit = { BIT_MASK(EV_KEY) }, + .keybit = { [BIT_WORD(BTN_DIGI)] = BIT_MASK(BTN_DIGI) }, + }, /* Avoid tablets, digitisers and similar devices */ { } /* Terminating entry */ }; diff --git a/trunk/drivers/input/keyboard/atkbd.c b/trunk/drivers/input/keyboard/atkbd.c index 444dec07e5d8..df3f8aa68115 100644 --- a/trunk/drivers/input/keyboard/atkbd.c +++ b/trunk/drivers/input/keyboard/atkbd.c @@ -894,6 +894,13 @@ static unsigned int atkbd_amilo_pa1510_forced_release_keys[] = { 0xb0, 0xae, -1U }; +/* + * Amilo Xi 3650 key release for light touch bar not working + */ +static unsigned int atkbd_amilo_xi3650_forced_release_keys[] = { + 0x67, 0xed, 0x90, 0xa2, 0x99, 0xa4, 0xae, 0xb0, -1U +}; + /* * atkbd_set_keycode_table() initializes keyboard's keycode table * according to the selected scancode set @@ -1560,6 +1567,15 @@ static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = { .callback = atkbd_setup_forced_release, .driver_data = atkbd_amilo_pa1510_forced_release_keys, }, + { + .ident = "Fujitsu Amilo Xi 3650", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 3650"), + }, + .callback = atkbd_setup_forced_release, + .driver_data = atkbd_amilo_xi3650_forced_release_keys, + }, { } }; diff --git a/trunk/drivers/input/touchscreen/tsc2007.c b/trunk/drivers/input/touchscreen/tsc2007.c index 536668fbda22..948e167557f1 100644 --- a/trunk/drivers/input/touchscreen/tsc2007.c +++ b/trunk/drivers/input/touchscreen/tsc2007.c @@ -200,8 +200,9 @@ static int tsc2007_read_values(struct tsc2007 *tsc) static enum hrtimer_restart tsc2007_timer(struct hrtimer *handle) { struct tsc2007 *ts = container_of(handle, struct tsc2007, timer); + unsigned long flags; - spin_lock_irq(&ts->lock); + spin_lock_irqsave(&ts->lock, flags); if (unlikely(!ts->get_pendown_state() && ts->pendown)) { struct input_dev *input = ts->input; @@ -222,7 +223,7 @@ static enum hrtimer_restart tsc2007_timer(struct hrtimer *handle) tsc2007_send_event(ts); } - spin_unlock_irq(&ts->lock); + spin_unlock_irqrestore(&ts->lock, flags); return HRTIMER_NORESTART; } diff --git a/trunk/drivers/net/mlx4/en_rx.c b/trunk/drivers/net/mlx4/en_rx.c index 7942c4d3cd88..9ee873e872b3 100644 --- a/trunk/drivers/net/mlx4/en_rx.c +++ b/trunk/drivers/net/mlx4/en_rx.c @@ -951,7 +951,6 @@ static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv, if (err) { mlx4_err(mdev, "Failed to allocate qp #%d\n", qpn); goto out; - return err; } qp->event = mlx4_en_sqp_event; diff --git a/trunk/drivers/pci/intel-iommu.c b/trunk/drivers/pci/intel-iommu.c index 001b328adf80..a563fbe559d0 100644 --- a/trunk/drivers/pci/intel-iommu.c +++ b/trunk/drivers/pci/intel-iommu.c @@ -59,6 +59,10 @@ #define DMA_32BIT_PFN IOVA_PFN(DMA_BIT_MASK(32)) #define DMA_64BIT_PFN IOVA_PFN(DMA_BIT_MASK(64)) +#ifndef PHYSICAL_PAGE_MASK +#define PHYSICAL_PAGE_MASK PAGE_MASK +#endif + /* global iommu list, set NULL for ignored DMAR units */ static struct intel_iommu **g_iommus; @@ -1216,7 +1220,7 @@ static void dmar_init_reserved_ranges(void) if (!r->flags || !(r->flags & IORESOURCE_MEM)) continue; addr = r->start; - addr &= PAGE_MASK; + addr &= PHYSICAL_PAGE_MASK; size = r->end - addr; size = PAGE_ALIGN(size); iova = reserve_iova(&reserved_iova_list, IOVA_PFN(addr), @@ -2173,7 +2177,8 @@ static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr, * is not a big problem */ ret = domain_page_mapping(domain, start_paddr, - ((u64)paddr) & PAGE_MASK, size, prot); + ((u64)paddr) & PHYSICAL_PAGE_MASK, + size, prot); if (ret) goto error; @@ -2463,8 +2468,8 @@ static int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int ne addr = page_to_phys(sg_page(sg)) + sg->offset; size = aligned_size((u64)addr, sg->length); ret = domain_page_mapping(domain, start_addr + offset, - ((u64)addr) & PAGE_MASK, - size, prot); + ((u64)addr) & PHYSICAL_PAGE_MASK, + size, prot); if (ret) { /* clear the page */ dma_pte_clear_range(domain, start_addr, diff --git a/trunk/drivers/rtc/rtc-twl4030.c b/trunk/drivers/rtc/rtc-twl4030.c index a6341e4f9a0f..9c8c70c497dc 100644 --- a/trunk/drivers/rtc/rtc-twl4030.c +++ b/trunk/drivers/rtc/rtc-twl4030.c @@ -495,9 +495,7 @@ static int twl4030_rtc_suspend(struct platform_device *pdev, pm_message_t state) { irqstat = rtc_irq_bits; - /* REVISIT alarm may need to wake us from sleep */ - mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M | - BIT_RTC_INTERRUPTS_REG_IT_ALARM_M); + mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M); return 0; } diff --git a/trunk/drivers/serial/nwpserial.c b/trunk/drivers/serial/nwpserial.c index 32f3eaf0d262..9e150b19d726 100644 --- a/trunk/drivers/serial/nwpserial.c +++ b/trunk/drivers/serial/nwpserial.c @@ -145,11 +145,13 @@ static irqreturn_t nwpserial_interrupt(int irq, void *dev_id) ch = dcr_read(up->dcr_host, UART_RX); if (up->port.ignore_status_mask != NWPSERIAL_STATUS_RXVALID) tty_insert_flip_char(tty, ch, TTY_NORMAL); - } while (dcr_read(up->dcr_host, UART_RX) & UART_LSR_DR); + } while (dcr_read(up->dcr_host, UART_LSR) & UART_LSR_DR); tty_flip_buffer_push(tty); ret = IRQ_HANDLED; + /* clear interrupt */ + dcr_write(up->dcr_host, UART_IIR, 1); out: spin_unlock(&up->port.lock); return ret; diff --git a/trunk/drivers/spi/pxa2xx_spi.c b/trunk/drivers/spi/pxa2xx_spi.c index 885194a07418..3f3c08c6ba4e 100644 --- a/trunk/drivers/spi/pxa2xx_spi.c +++ b/trunk/drivers/spi/pxa2xx_spi.c @@ -1373,6 +1373,9 @@ static void cleanup(struct spi_device *spi) { struct chip_data *chip = spi_get_ctldata(spi); + if (!chip) + return; + if (gpio_is_valid(chip->gpio_cs)) gpio_free(chip->gpio_cs); diff --git a/trunk/drivers/video/Kconfig b/trunk/drivers/video/Kconfig index 7826bdce4bbe..0048f1185a60 100644 --- a/trunk/drivers/video/Kconfig +++ b/trunk/drivers/video/Kconfig @@ -1128,13 +1128,6 @@ config FB_INTEL 830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM/965G/965GM chipsets. Say Y if you have and plan to use such a board. - If you say Y here and want DDC/I2C support you must first say Y to - "I2C support" and "I2C bit-banging support" in the character devices - section. - - If you say M here then "I2C support" and "I2C bit-banging support" - can be build either as modules or built-in. - To compile this driver as a module, choose M here: the module will be called intelfb. @@ -1207,11 +1200,10 @@ config FB_MATROX_G pixel and 32 bpp packed pixel. You can also use font widths different from 8. - If you need support for G400 secondary head, you must first say Y to - "I2C support" in the character devices section, and then to - "Matrox I2C support" and "G400 second head support" here in the - framebuffer section. G450/G550 secondary head and digital output - are supported without additional modules. + If you need support for G400 secondary head, you must say Y to + "Matrox I2C support" and "G400 second head support" right below. + G450/G550 secondary head and digital output are supported without + additional modules. The driver starts in monitor mode. You must use the matroxset tool (available at ) to @@ -1310,13 +1302,6 @@ config FB_RADEON a framebuffer device. There are both PCI and AGP versions. You don't need to choose this to run the Radeon in plain VGA mode. - If you say Y here and want DDC/I2C support you must first say Y to - "I2C support" and "I2C bit-banging support" in the character devices - section. - - If you say M here then "I2C support" and "I2C bit-banging support" - can be build either as modules or built-in. - There is a product page at http://apps.ati.com/ATIcompare/ diff --git a/trunk/drivers/video/gbefb.c b/trunk/drivers/video/gbefb.c index fe5b519860b1..1a83709f9611 100644 --- a/trunk/drivers/video/gbefb.c +++ b/trunk/drivers/video/gbefb.c @@ -75,7 +75,7 @@ struct gbefb_par { static unsigned int gbe_mem_size = CONFIG_FB_GBE_MEM * 1024*1024; static void *gbe_mem; static dma_addr_t gbe_dma_addr; -unsigned long gbe_mem_phys; +static unsigned long gbe_mem_phys; static struct { uint16_t *cpu; @@ -185,8 +185,8 @@ static struct fb_videomode default_mode_LCD __initdata = { .vmode = FB_VMODE_NONINTERLACED, }; -struct fb_videomode *default_mode __initdata = &default_mode_CRT; -struct fb_var_screeninfo *default_var __initdata = &default_var_CRT; +static struct fb_videomode *default_mode __initdata = &default_mode_CRT; +static struct fb_var_screeninfo *default_var __initdata = &default_var_CRT; static int flat_panel_enabled = 0; @@ -205,7 +205,7 @@ static void gbe_reset(void) * console. */ -void gbe_turn_off(void) +static void gbe_turn_off(void) { int i; unsigned int val, x, y, vpixen_off; @@ -1097,7 +1097,7 @@ static void gbefb_create_sysfs(struct device *dev) * Initialization */ -int __init gbefb_setup(char *options) +static int __init gbefb_setup(char *options) { char *this_opt; @@ -1283,7 +1283,7 @@ static struct platform_driver gbefb_driver = { static struct platform_device *gbefb_device; -int __init gbefb_init(void) +static int __init gbefb_init(void) { int ret = platform_driver_register(&gbefb_driver); if (!ret) { @@ -1301,7 +1301,7 @@ int __init gbefb_init(void) return ret; } -void __exit gbefb_exit(void) +static void __exit gbefb_exit(void) { platform_device_unregister(gbefb_device); platform_driver_unregister(&gbefb_driver); diff --git a/trunk/drivers/video/via/viafbdev.c b/trunk/drivers/video/via/viafbdev.c index e327b84820d2..a0fec298216e 100644 --- a/trunk/drivers/video/via/viafbdev.c +++ b/trunk/drivers/video/via/viafbdev.c @@ -2103,7 +2103,7 @@ static void viafb_remove_proc(struct proc_dir_entry *viafb_entry) static int __devinit via_pci_probe(void) { - unsigned int default_xres, default_yres; + unsigned long default_xres, default_yres; char *tmpc, *tmpm; char *tmpc_sec, *tmpm_sec; int vmode_index; @@ -2196,8 +2196,8 @@ static int __devinit via_pci_probe(void) viafb_FB_MM = viaparinfo->fbmem_virt; tmpm = viafb_mode; tmpc = strsep(&tmpm, "x"); - strict_strtoul(tmpc, 0, (unsigned long *)&default_xres); - strict_strtoul(tmpm, 0, (unsigned long *)&default_yres); + strict_strtoul(tmpc, 0, &default_xres); + strict_strtoul(tmpm, 0, &default_yres); vmode_index = viafb_get_mode_index(default_xres, default_yres, 0); DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index); diff --git a/trunk/fs/btrfs/ctree.c b/trunk/fs/btrfs/ctree.c index a99f1c2a710d..fedf8b9f03a2 100644 --- a/trunk/fs/btrfs/ctree.c +++ b/trunk/fs/btrfs/ctree.c @@ -1469,6 +1469,7 @@ read_block_for_search(struct btrfs_trans_handle *trans, u32 blocksize; struct extent_buffer *b = *eb_ret; struct extent_buffer *tmp; + int ret; blocknr = btrfs_node_blockptr(b, slot); gen = btrfs_node_ptr_generation(b, slot); @@ -1476,6 +1477,10 @@ read_block_for_search(struct btrfs_trans_handle *trans, tmp = btrfs_find_tree_block(root, blocknr, blocksize); if (tmp && btrfs_buffer_uptodate(tmp, gen)) { + /* + * we found an up to date block without sleeping, return + * right away + */ *eb_ret = tmp; return 0; } @@ -1483,7 +1488,9 @@ read_block_for_search(struct btrfs_trans_handle *trans, /* * reduce lock contention at high levels * of the btree by dropping locks before - * we read. + * we read. Don't release the lock on the current + * level because we need to walk this node to figure + * out which blocks to read. */ btrfs_unlock_up_safe(p, level + 1); btrfs_set_path_blocking(p); @@ -1494,10 +1501,21 @@ read_block_for_search(struct btrfs_trans_handle *trans, reada_for_search(root, p, level, slot, key->objectid); btrfs_release_path(NULL, p); + + ret = -EAGAIN; tmp = read_tree_block(root, blocknr, blocksize, gen); - if (tmp) + if (tmp) { + /* + * If the read above didn't mark this buffer up to date, + * it will never end up being up to date. Set ret to EIO now + * and give up so that our caller doesn't loop forever + * on our EAGAINs. + */ + if (!btrfs_buffer_uptodate(tmp, 0)) + ret = -EIO; free_extent_buffer(tmp); - return -EAGAIN; + } + return ret; } /* @@ -1696,6 +1714,9 @@ int btrfs_search_slot(struct btrfs_trans_handle *trans, struct btrfs_root if (ret == -EAGAIN) goto again; + if (ret == -EIO) + goto done; + if (!p->skip_locking) { int lret; @@ -1738,6 +1759,8 @@ int btrfs_search_slot(struct btrfs_trans_handle *trans, struct btrfs_root */ if (!p->leave_spinning) btrfs_set_path_blocking(p); + if (ret < 0) + btrfs_release_path(root, p); return ret; } @@ -4212,6 +4235,11 @@ int btrfs_next_leaf(struct btrfs_root *root, struct btrfs_path *path) if (ret == -EAGAIN) goto again; + if (ret < 0) { + btrfs_release_path(root, path); + goto done; + } + if (!path->skip_locking) { ret = btrfs_try_spin_lock(next); if (!ret) { @@ -4246,6 +4274,11 @@ int btrfs_next_leaf(struct btrfs_root *root, struct btrfs_path *path) if (ret == -EAGAIN) goto again; + if (ret < 0) { + btrfs_release_path(root, path); + goto done; + } + if (!path->skip_locking) { btrfs_assert_tree_locked(path->nodes[level]); ret = btrfs_try_spin_lock(next); diff --git a/trunk/fs/btrfs/disk-io.c b/trunk/fs/btrfs/disk-io.c index 0ff16d3331da..4b0ea0b80c23 100644 --- a/trunk/fs/btrfs/disk-io.c +++ b/trunk/fs/btrfs/disk-io.c @@ -848,8 +848,6 @@ struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr, if (ret == 0) set_bit(EXTENT_BUFFER_UPTODATE, &buf->bflags); - else - WARN_ON(1); return buf; } diff --git a/trunk/fs/btrfs/extent-tree.c b/trunk/fs/btrfs/extent-tree.c index e4966444811b..3e2c7c738f23 100644 --- a/trunk/fs/btrfs/extent-tree.c +++ b/trunk/fs/btrfs/extent-tree.c @@ -312,7 +312,7 @@ btrfs_lookup_first_block_group(struct btrfs_fs_info *info, u64 bytenr) } /* - * return the block group that contains teh given bytenr + * return the block group that contains the given bytenr */ struct btrfs_block_group_cache *btrfs_lookup_block_group( struct btrfs_fs_info *info, diff --git a/trunk/fs/btrfs/inode.c b/trunk/fs/btrfs/inode.c index 90c23eb28829..1c8b0190d031 100644 --- a/trunk/fs/btrfs/inode.c +++ b/trunk/fs/btrfs/inode.c @@ -3122,6 +3122,7 @@ static noinline void init_btrfs_i(struct inode *inode) bi->flags = 0; bi->index_cnt = (u64)-1; bi->last_unlink_trans = 0; + bi->ordered_data_close = 0; extent_map_tree_init(&BTRFS_I(inode)->extent_tree, GFP_NOFS); extent_io_tree_init(&BTRFS_I(inode)->io_tree, inode->i_mapping, GFP_NOFS); @@ -4295,7 +4296,6 @@ struct extent_map *btrfs_get_extent(struct inode *inode, struct page *page, } if (err) { free_extent_map(em); - WARN_ON(1); return ERR_PTR(err); } return em; diff --git a/trunk/fs/btrfs/ioctl.c b/trunk/fs/btrfs/ioctl.c index 5e94ea6e1cbe..2624b53ea783 100644 --- a/trunk/fs/btrfs/ioctl.c +++ b/trunk/fs/btrfs/ioctl.c @@ -437,10 +437,6 @@ static int btrfs_defrag_file(struct file *file) return 0; } -/* - * Called inside transaction, so use GFP_NOFS - */ - static int btrfs_ioctl_resize(struct btrfs_root *root, void __user *arg) { u64 new_size; diff --git a/trunk/fs/btrfs/super.c b/trunk/fs/btrfs/super.c index 6dfae5b28f59..2ff7cd2db25f 100644 --- a/trunk/fs/btrfs/super.c +++ b/trunk/fs/btrfs/super.c @@ -436,9 +436,9 @@ static int btrfs_show_options(struct seq_file *seq, struct vfsmount *vfs) if (btrfs_test_opt(root, SSD)) seq_puts(seq, ",ssd"); if (btrfs_test_opt(root, NOTREELOG)) - seq_puts(seq, ",no-treelog"); + seq_puts(seq, ",notreelog"); if (btrfs_test_opt(root, FLUSHONCOMMIT)) - seq_puts(seq, ",flush-on-commit"); + seq_puts(seq, ",flushoncommit"); if (!(root->fs_info->sb->s_flags & MS_POSIXACL)) seq_puts(seq, ",noacl"); return 0; diff --git a/trunk/fs/cifs/cifssmb.c b/trunk/fs/cifs/cifssmb.c index 75e6623a8635..5759ba53dc96 100644 --- a/trunk/fs/cifs/cifssmb.c +++ b/trunk/fs/cifs/cifssmb.c @@ -3976,9 +3976,8 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr, max_len = data_end - temp; node->path_name = cifs_strndup_from_ucs(temp, max_len, is_unicode, nls_codepage); - if (IS_ERR(node->path_name)) { - rc = PTR_ERR(node->path_name); - node->path_name = NULL; + if (!node->path_name) { + rc = -ENOMEM; goto parse_DFS_referrals_exit; } @@ -3987,11 +3986,8 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr, max_len = data_end - temp; node->node_name = cifs_strndup_from_ucs(temp, max_len, is_unicode, nls_codepage); - if (IS_ERR(node->node_name)) { - rc = PTR_ERR(node->node_name); - node->node_name = NULL; - goto parse_DFS_referrals_exit; - } + if (!node->node_name) + rc = -ENOMEM; } parse_DFS_referrals_exit: diff --git a/trunk/fs/devpts/inode.c b/trunk/fs/devpts/inode.c index 21165cf934ff..c68edb969441 100644 --- a/trunk/fs/devpts/inode.c +++ b/trunk/fs/devpts/inode.c @@ -90,6 +90,15 @@ static inline struct super_block *pts_sb_from_inode(struct inode *inode) #define PARSE_MOUNT 0 #define PARSE_REMOUNT 1 +/* + * parse_mount_options(): + * Set @opts to mount options specified in @data. If an option is not + * specified in @data, set it to its default value. The exception is + * 'newinstance' option which can only be set/cleared on a mount (i.e. + * cannot be changed during remount). + * + * Note: @data may be NULL (in which case all options are set to default). + */ static int parse_mount_options(char *data, int op, struct pts_mount_opts *opts) { char *p; @@ -355,12 +364,9 @@ static int devpts_get_sb(struct file_system_type *fs_type, struct pts_mount_opts opts; struct super_block *s; - memset(&opts, 0, sizeof(opts)); - if (data) { - error = parse_mount_options(data, PARSE_MOUNT, &opts); - if (error) - return error; - } + error = parse_mount_options(data, PARSE_MOUNT, &opts); + if (error) + return error; if (opts.newinstance) s = sget(fs_type, NULL, set_anon_super, NULL); diff --git a/trunk/fs/eventpoll.c b/trunk/fs/eventpoll.c index a89f370fadb5..5458e80fc558 100644 --- a/trunk/fs/eventpoll.c +++ b/trunk/fs/eventpoll.c @@ -1212,7 +1212,7 @@ SYSCALL_DEFINE1(epoll_create1, int, flags) SYSCALL_DEFINE1(epoll_create, int, size) { - if (size < 0) + if (size <= 0) return -EINVAL; return sys_epoll_create1(0); diff --git a/trunk/fs/fcntl.c b/trunk/fs/fcntl.c index cc8e4de2fee5..1ad703150dee 100644 --- a/trunk/fs/fcntl.c +++ b/trunk/fs/fcntl.c @@ -117,11 +117,13 @@ SYSCALL_DEFINE2(dup2, unsigned int, oldfd, unsigned int, newfd) { if (unlikely(newfd == oldfd)) { /* corner case */ struct files_struct *files = current->files; + int retval = oldfd; + rcu_read_lock(); if (!fcheck_files(files, oldfd)) - oldfd = -EBADF; + retval = -EBADF; rcu_read_unlock(); - return oldfd; + return retval; } return sys_dup3(oldfd, newfd, 0); } diff --git a/trunk/fs/fuse/inode.c b/trunk/fs/fuse/inode.c index d1bc4d33ccbc..91f7c85f1ffd 100644 --- a/trunk/fs/fuse/inode.c +++ b/trunk/fs/fuse/inode.c @@ -911,6 +911,7 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent) err_put_root: dput(root_dentry); err_put_conn: + bdi_destroy(&fc->bdi); fuse_conn_put(fc); err_fput: fput(file); diff --git a/trunk/fs/hugetlbfs/inode.c b/trunk/fs/hugetlbfs/inode.c index 153d9681192b..c1462d43e721 100644 --- a/trunk/fs/hugetlbfs/inode.c +++ b/trunk/fs/hugetlbfs/inode.c @@ -312,16 +312,6 @@ static ssize_t hugetlbfs_read(struct file *filp, char __user *buf, return retval; } -/* - * Read a page. Again trivial. If it didn't already exist - * in the page cache, it is zero-filled. - */ -static int hugetlbfs_readpage(struct file *file, struct page * page) -{ - unlock_page(page); - return -EINVAL; -} - static int hugetlbfs_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, @@ -701,7 +691,6 @@ static void hugetlbfs_destroy_inode(struct inode *inode) } static const struct address_space_operations hugetlbfs_aops = { - .readpage = hugetlbfs_readpage, .write_begin = hugetlbfs_write_begin, .write_end = hugetlbfs_write_end, .set_page_dirty = hugetlbfs_set_page_dirty, diff --git a/trunk/fs/lockd/svc.c b/trunk/fs/lockd/svc.c index abf83881f68a..1a54ae14a192 100644 --- a/trunk/fs/lockd/svc.c +++ b/trunk/fs/lockd/svc.c @@ -104,6 +104,16 @@ static void set_grace_period(void) schedule_delayed_work(&grace_period_end, grace_period); } +static void restart_grace(void) +{ + if (nlmsvc_ops) { + cancel_delayed_work_sync(&grace_period_end); + locks_end_grace(&lockd_manager); + nlmsvc_invalidate_all(); + set_grace_period(); + } +} + /* * This is the lockd kernel thread */ @@ -149,10 +159,7 @@ lockd(void *vrqstp) if (signalled()) { flush_signals(current); - if (nlmsvc_ops) { - nlmsvc_invalidate_all(); - set_grace_period(); - } + restart_grace(); continue; } diff --git a/trunk/fs/nfsd/nfs4recover.c b/trunk/fs/nfsd/nfs4recover.c index 5275097a7565..b5348405046b 100644 --- a/trunk/fs/nfsd/nfs4recover.c +++ b/trunk/fs/nfsd/nfs4recover.c @@ -229,7 +229,7 @@ nfsd4_list_rec_dir(struct dentry *dir, recdir_func *f) goto out; status = vfs_readdir(filp, nfsd4_build_namelist, &names); fput(filp); - mutex_lock(&dir->d_inode->i_mutex); + mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_PARENT); while (!list_empty(&names)) { entry = list_entry(names.next, struct name_list, list); @@ -264,7 +264,7 @@ nfsd4_unlink_clid_dir(char *name, int namlen) dprintk("NFSD: nfsd4_unlink_clid_dir. name %.*s\n", namlen, name); - mutex_lock(&rec_dir.dentry->d_inode->i_mutex); + mutex_lock_nested(&rec_dir.dentry->d_inode->i_mutex, I_MUTEX_PARENT); dentry = lookup_one_len(name, rec_dir.dentry, namlen); if (IS_ERR(dentry)) { status = PTR_ERR(dentry); diff --git a/trunk/fs/nfsd/nfs4state.c b/trunk/fs/nfsd/nfs4state.c index c65a27b76a9d..3b711f5147a7 100644 --- a/trunk/fs/nfsd/nfs4state.c +++ b/trunk/fs/nfsd/nfs4state.c @@ -580,7 +580,6 @@ free_session(struct kref *kref) struct nfsd4_cache_entry *e = &ses->se_slots[i].sl_cache_entry; nfsd4_release_respages(e->ce_respages, e->ce_resused); } - kfree(ses->se_slots); kfree(ses); } diff --git a/trunk/fs/nfsd/nfs4xdr.c b/trunk/fs/nfsd/nfs4xdr.c index b820c311931c..b73549d293be 100644 --- a/trunk/fs/nfsd/nfs4xdr.c +++ b/trunk/fs/nfsd/nfs4xdr.c @@ -2214,6 +2214,15 @@ nfsd4_encode_dirent_fattr(struct nfsd4_readdir *cd, dentry = lookup_one_len(name, cd->rd_fhp->fh_dentry, namlen); if (IS_ERR(dentry)) return nfserrno(PTR_ERR(dentry)); + if (!dentry->d_inode) { + /* + * nfsd_buffered_readdir drops the i_mutex between + * readdir and calling this callback, leaving a window + * where this directory entry could have gone away. + */ + dput(dentry); + return nfserr_noent; + } exp_get(exp); /* @@ -2276,6 +2285,7 @@ nfsd4_encode_dirent(void *ccdv, const char *name, int namlen, struct nfsd4_readdir *cd = container_of(ccd, struct nfsd4_readdir, common); int buflen; __be32 *p = cd->buffer; + __be32 *cookiep; __be32 nfserr = nfserr_toosmall; /* In nfsv4, "." and ".." never make it onto the wire.. */ @@ -2292,7 +2302,7 @@ nfsd4_encode_dirent(void *ccdv, const char *name, int namlen, goto fail; *p++ = xdr_one; /* mark entry present */ - cd->offset = p; /* remember pointer */ + cookiep = p; p = xdr_encode_hyper(p, NFS_OFFSET_MAX); /* offset of next entry */ p = xdr_encode_array(p, name, namlen); /* name length & name */ @@ -2306,6 +2316,8 @@ nfsd4_encode_dirent(void *ccdv, const char *name, int namlen, goto fail; case nfserr_dropit: goto fail; + case nfserr_noent: + goto skip_entry; default: /* * If the client requested the RDATTR_ERROR attribute, @@ -2324,6 +2336,8 @@ nfsd4_encode_dirent(void *ccdv, const char *name, int namlen, } cd->buflen -= (p - cd->buffer); cd->buffer = p; + cd->offset = cookiep; +skip_entry: cd->common.err = nfs_ok; return 0; fail: diff --git a/trunk/fs/nilfs2/ioctl.c b/trunk/fs/nilfs2/ioctl.c index 108d281ebca5..50ff3f2cdf24 100644 --- a/trunk/fs/nilfs2/ioctl.c +++ b/trunk/fs/nilfs2/ioctl.c @@ -25,6 +25,7 @@ #include /* lock_kernel(), unlock_kernel() */ #include /* capable() */ #include /* copy_from_user(), copy_to_user() */ +#include #include #include "nilfs.h" #include "segment.h" @@ -147,29 +148,12 @@ static ssize_t nilfs_ioctl_do_get_cpinfo(struct the_nilfs *nilfs, __u64 *posp, int flags, void *buf, size_t size, size_t nmembs) { - return nilfs_cpfile_get_cpinfo(nilfs->ns_cpfile, posp, flags, buf, - nmembs); -} - -static int nilfs_ioctl_get_cpinfo(struct inode *inode, struct file *filp, - unsigned int cmd, void __user *argp) -{ - struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs; - struct nilfs_argv argv; int ret; - if (copy_from_user(&argv, argp, sizeof(argv))) - return -EFAULT; - down_read(&nilfs->ns_segctor_sem); - ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd), - nilfs_ioctl_do_get_cpinfo); + ret = nilfs_cpfile_get_cpinfo(nilfs->ns_cpfile, posp, flags, buf, + nmembs); up_read(&nilfs->ns_segctor_sem); - if (ret < 0) - return ret; - - if (copy_to_user(argp, &argv, sizeof(argv))) - ret = -EFAULT; return ret; } @@ -195,28 +179,11 @@ static ssize_t nilfs_ioctl_do_get_suinfo(struct the_nilfs *nilfs, __u64 *posp, int flags, void *buf, size_t size, size_t nmembs) { - return nilfs_sufile_get_suinfo(nilfs->ns_sufile, *posp, buf, nmembs); -} - -static int nilfs_ioctl_get_suinfo(struct inode *inode, struct file *filp, - unsigned int cmd, void __user *argp) -{ - struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs; - struct nilfs_argv argv; int ret; - if (copy_from_user(&argv, argp, sizeof(argv))) - return -EFAULT; - down_read(&nilfs->ns_segctor_sem); - ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd), - nilfs_ioctl_do_get_suinfo); + ret = nilfs_sufile_get_suinfo(nilfs->ns_sufile, *posp, buf, nmembs); up_read(&nilfs->ns_segctor_sem); - if (ret < 0) - return ret; - - if (copy_to_user(argp, &argv, sizeof(argv))) - ret = -EFAULT; return ret; } @@ -242,28 +209,11 @@ static ssize_t nilfs_ioctl_do_get_vinfo(struct the_nilfs *nilfs, __u64 *posp, int flags, void *buf, size_t size, size_t nmembs) { - return nilfs_dat_get_vinfo(nilfs_dat_inode(nilfs), buf, nmembs); -} - -static int nilfs_ioctl_get_vinfo(struct inode *inode, struct file *filp, - unsigned int cmd, void __user *argp) -{ - struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs; - struct nilfs_argv argv; int ret; - if (copy_from_user(&argv, argp, sizeof(argv))) - return -EFAULT; - down_read(&nilfs->ns_segctor_sem); - ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd), - nilfs_ioctl_do_get_vinfo); + ret = nilfs_dat_get_vinfo(nilfs_dat_inode(nilfs), buf, nmembs); up_read(&nilfs->ns_segctor_sem); - if (ret < 0) - return ret; - - if (copy_to_user(argp, &argv, sizeof(argv))) - ret = -EFAULT; return ret; } @@ -276,17 +226,21 @@ nilfs_ioctl_do_get_bdescs(struct the_nilfs *nilfs, __u64 *posp, int flags, struct nilfs_bdesc *bdescs = buf; int ret, i; + down_read(&nilfs->ns_segctor_sem); for (i = 0; i < nmembs; i++) { ret = nilfs_bmap_lookup_at_level(bmap, bdescs[i].bd_offset, bdescs[i].bd_level + 1, &bdescs[i].bd_blocknr); if (ret < 0) { - if (ret != -ENOENT) + if (ret != -ENOENT) { + up_read(&nilfs->ns_segctor_sem); return ret; + } bdescs[i].bd_blocknr = 0; } } + up_read(&nilfs->ns_segctor_sem); return nmembs; } @@ -300,10 +254,11 @@ static int nilfs_ioctl_get_bdescs(struct inode *inode, struct file *filp, if (copy_from_user(&argv, argp, sizeof(argv))) return -EFAULT; - down_read(&nilfs->ns_segctor_sem); + if (argv.v_size != sizeof(struct nilfs_bdesc)) + return -EINVAL; + ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd), nilfs_ioctl_do_get_bdescs); - up_read(&nilfs->ns_segctor_sem); if (ret < 0) return ret; @@ -346,10 +301,10 @@ static int nilfs_ioctl_move_inode_block(struct inode *inode, return 0; } -static ssize_t -nilfs_ioctl_do_move_blocks(struct the_nilfs *nilfs, __u64 *posp, int flags, - void *buf, size_t size, size_t nmembs) +static int nilfs_ioctl_move_blocks(struct the_nilfs *nilfs, + struct nilfs_argv *argv, void *buf) { + size_t nmembs = argv->v_nmembs; struct inode *inode; struct nilfs_vdesc *vdesc; struct buffer_head *bh, *n; @@ -410,19 +365,10 @@ nilfs_ioctl_do_move_blocks(struct the_nilfs *nilfs, __u64 *posp, int flags, return ret; } -static inline int nilfs_ioctl_move_blocks(struct the_nilfs *nilfs, - struct nilfs_argv *argv, - int dir) -{ - return nilfs_ioctl_wrap_copy(nilfs, argv, dir, - nilfs_ioctl_do_move_blocks); -} - -static ssize_t -nilfs_ioctl_do_delete_checkpoints(struct the_nilfs *nilfs, __u64 *posp, - int flags, void *buf, size_t size, - size_t nmembs) +static int nilfs_ioctl_delete_checkpoints(struct the_nilfs *nilfs, + struct nilfs_argv *argv, void *buf) { + size_t nmembs = argv->v_nmembs; struct inode *cpfile = nilfs->ns_cpfile; struct nilfs_period *periods = buf; int ret, i; @@ -436,36 +382,21 @@ nilfs_ioctl_do_delete_checkpoints(struct the_nilfs *nilfs, __u64 *posp, return nmembs; } -static inline int nilfs_ioctl_delete_checkpoints(struct the_nilfs *nilfs, - struct nilfs_argv *argv, - int dir) +static int nilfs_ioctl_free_vblocknrs(struct the_nilfs *nilfs, + struct nilfs_argv *argv, void *buf) { - return nilfs_ioctl_wrap_copy(nilfs, argv, dir, - nilfs_ioctl_do_delete_checkpoints); -} + size_t nmembs = argv->v_nmembs; + int ret; -static ssize_t -nilfs_ioctl_do_free_vblocknrs(struct the_nilfs *nilfs, __u64 *posp, int flags, - void *buf, size_t size, size_t nmembs) -{ - int ret = nilfs_dat_freev(nilfs_dat_inode(nilfs), buf, nmembs); + ret = nilfs_dat_freev(nilfs_dat_inode(nilfs), buf, nmembs); return (ret < 0) ? ret : nmembs; } -static inline int nilfs_ioctl_free_vblocknrs(struct the_nilfs *nilfs, - struct nilfs_argv *argv, - int dir) -{ - return nilfs_ioctl_wrap_copy(nilfs, argv, dir, - nilfs_ioctl_do_free_vblocknrs); -} - -static ssize_t -nilfs_ioctl_do_mark_blocks_dirty(struct the_nilfs *nilfs, __u64 *posp, - int flags, void *buf, size_t size, - size_t nmembs) +static int nilfs_ioctl_mark_blocks_dirty(struct the_nilfs *nilfs, + struct nilfs_argv *argv, void *buf) { + size_t nmembs = argv->v_nmembs; struct inode *dat = nilfs_dat_inode(nilfs); struct nilfs_bmap *bmap = NILFS_I(dat)->i_bmap; struct nilfs_bdesc *bdescs = buf; @@ -504,55 +435,37 @@ nilfs_ioctl_do_mark_blocks_dirty(struct the_nilfs *nilfs, __u64 *posp, return nmembs; } -static inline int nilfs_ioctl_mark_blocks_dirty(struct the_nilfs *nilfs, - struct nilfs_argv *argv, - int dir) +static int nilfs_ioctl_free_segments(struct the_nilfs *nilfs, + struct nilfs_argv *argv, void *buf) { - return nilfs_ioctl_wrap_copy(nilfs, argv, dir, - nilfs_ioctl_do_mark_blocks_dirty); -} - -static ssize_t -nilfs_ioctl_do_free_segments(struct the_nilfs *nilfs, __u64 *posp, int flags, - void *buf, size_t size, size_t nmembs) -{ - struct nilfs_sb_info *sbi = nilfs_get_writer(nilfs); + size_t nmembs = argv->v_nmembs; + struct nilfs_sb_info *sbi = nilfs->ns_writer; int ret; - if (unlikely(!sbi)) + if (unlikely(!sbi)) { + /* never happens because called for a writable mount */ + WARN_ON(1); return -EROFS; + } ret = nilfs_segctor_add_segments_to_be_freed( NILFS_SC(sbi), buf, nmembs); - nilfs_put_writer(nilfs); return (ret < 0) ? ret : nmembs; } -static inline int nilfs_ioctl_free_segments(struct the_nilfs *nilfs, - struct nilfs_argv *argv, - int dir) -{ - return nilfs_ioctl_wrap_copy(nilfs, argv, dir, - nilfs_ioctl_do_free_segments); -} - int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *nilfs, - void __user *argp) + struct nilfs_argv *argv, void **kbufs) { - struct nilfs_argv argv[5]; const char *msg; - int dir, ret; - - if (copy_from_user(argv, argp, sizeof(argv))) - return -EFAULT; + int ret; - dir = _IOC_WRITE; - ret = nilfs_ioctl_move_blocks(nilfs, &argv[0], dir); + ret = nilfs_ioctl_move_blocks(nilfs, &argv[0], kbufs[0]); if (ret < 0) { msg = "cannot read source blocks"; goto failed; } - ret = nilfs_ioctl_delete_checkpoints(nilfs, &argv[1], dir); + + ret = nilfs_ioctl_delete_checkpoints(nilfs, &argv[1], kbufs[1]); if (ret < 0) { /* * can safely abort because checkpoints can be removed @@ -561,7 +474,7 @@ int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *nilfs, msg = "cannot delete checkpoints"; goto failed; } - ret = nilfs_ioctl_free_vblocknrs(nilfs, &argv[2], dir); + ret = nilfs_ioctl_free_vblocknrs(nilfs, &argv[2], kbufs[2]); if (ret < 0) { /* * can safely abort because DAT file is updated atomically @@ -570,7 +483,7 @@ int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *nilfs, msg = "cannot delete virtual blocks from DAT file"; goto failed; } - ret = nilfs_ioctl_mark_blocks_dirty(nilfs, &argv[3], dir); + ret = nilfs_ioctl_mark_blocks_dirty(nilfs, &argv[3], kbufs[3]); if (ret < 0) { /* * can safely abort because the operation is nondestructive. @@ -578,7 +491,7 @@ int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *nilfs, msg = "cannot mark copying blocks dirty"; goto failed; } - ret = nilfs_ioctl_free_segments(nilfs, &argv[4], dir); + ret = nilfs_ioctl_free_segments(nilfs, &argv[4], kbufs[4]); if (ret < 0) { /* * can safely abort because this operation is atomic. @@ -598,9 +511,75 @@ int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *nilfs, static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp, unsigned int cmd, void __user *argp) { + struct nilfs_argv argv[5]; + const static size_t argsz[5] = { + sizeof(struct nilfs_vdesc), + sizeof(struct nilfs_period), + sizeof(__u64), + sizeof(struct nilfs_bdesc), + sizeof(__u64), + }; + void __user *base; + void *kbufs[5]; + struct the_nilfs *nilfs; + size_t len, nsegs; + int n, ret; + if (!capable(CAP_SYS_ADMIN)) return -EPERM; - return nilfs_clean_segments(inode->i_sb, argp); + + if (copy_from_user(argv, argp, sizeof(argv))) + return -EFAULT; + + nsegs = argv[4].v_nmembs; + if (argv[4].v_size != argsz[4]) + return -EINVAL; + /* + * argv[4] points to segment numbers this ioctl cleans. We + * use kmalloc() for its buffer because memory used for the + * segment numbers is enough small. + */ + kbufs[4] = memdup_user((void __user *)(unsigned long)argv[4].v_base, + nsegs * sizeof(__u64)); + if (IS_ERR(kbufs[4])) + return PTR_ERR(kbufs[4]); + + nilfs = NILFS_SB(inode->i_sb)->s_nilfs; + + for (n = 0; n < 4; n++) { + ret = -EINVAL; + if (argv[n].v_size != argsz[n]) + goto out_free; + + if (argv[n].v_nmembs > nsegs * nilfs->ns_blocks_per_segment) + goto out_free; + + len = argv[n].v_size * argv[n].v_nmembs; + base = (void __user *)(unsigned long)argv[n].v_base; + if (len == 0) { + kbufs[n] = NULL; + continue; + } + + kbufs[n] = vmalloc(len); + if (!kbufs[n]) { + ret = -ENOMEM; + goto out_free; + } + if (copy_from_user(kbufs[n], base, len)) { + ret = -EFAULT; + vfree(kbufs[n]); + goto out_free; + } + } + + ret = nilfs_clean_segments(inode->i_sb, argv, kbufs); + + out_free: + while (--n > 0) + vfree(kbufs[n]); + kfree(kbufs[4]); + return ret; } static int nilfs_ioctl_sync(struct inode *inode, struct file *filp, @@ -621,6 +600,33 @@ static int nilfs_ioctl_sync(struct inode *inode, struct file *filp, return 0; } +static int nilfs_ioctl_get_info(struct inode *inode, struct file *filp, + unsigned int cmd, void __user *argp, + size_t membsz, + ssize_t (*dofunc)(struct the_nilfs *, + __u64 *, int, + void *, size_t, size_t)) + +{ + struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs; + struct nilfs_argv argv; + int ret; + + if (copy_from_user(&argv, argp, sizeof(argv))) + return -EFAULT; + + if (argv.v_size != membsz) + return -EINVAL; + + ret = nilfs_ioctl_wrap_copy(nilfs, &argv, _IOC_DIR(cmd), dofunc); + if (ret < 0) + return ret; + + if (copy_to_user(argp, &argv, sizeof(argv))) + ret = -EFAULT; + return ret; +} + long nilfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { struct inode *inode = filp->f_dentry->d_inode; @@ -632,16 +638,21 @@ long nilfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) case NILFS_IOCTL_DELETE_CHECKPOINT: return nilfs_ioctl_delete_checkpoint(inode, filp, cmd, argp); case NILFS_IOCTL_GET_CPINFO: - return nilfs_ioctl_get_cpinfo(inode, filp, cmd, argp); + return nilfs_ioctl_get_info(inode, filp, cmd, argp, + sizeof(struct nilfs_cpinfo), + nilfs_ioctl_do_get_cpinfo); case NILFS_IOCTL_GET_CPSTAT: return nilfs_ioctl_get_cpstat(inode, filp, cmd, argp); case NILFS_IOCTL_GET_SUINFO: - return nilfs_ioctl_get_suinfo(inode, filp, cmd, argp); + return nilfs_ioctl_get_info(inode, filp, cmd, argp, + sizeof(struct nilfs_suinfo), + nilfs_ioctl_do_get_suinfo); case NILFS_IOCTL_GET_SUSTAT: return nilfs_ioctl_get_sustat(inode, filp, cmd, argp); case NILFS_IOCTL_GET_VINFO: - /* XXX: rename to ??? */ - return nilfs_ioctl_get_vinfo(inode, filp, cmd, argp); + return nilfs_ioctl_get_info(inode, filp, cmd, argp, + sizeof(struct nilfs_vinfo), + nilfs_ioctl_do_get_vinfo); case NILFS_IOCTL_GET_BDESCS: return nilfs_ioctl_get_bdescs(inode, filp, cmd, argp); case NILFS_IOCTL_CLEAN_SEGMENTS: diff --git a/trunk/fs/nilfs2/mdt.c b/trunk/fs/nilfs2/mdt.c index 47dd815433fd..bb78745a0e30 100644 --- a/trunk/fs/nilfs2/mdt.c +++ b/trunk/fs/nilfs2/mdt.c @@ -77,19 +77,22 @@ static int nilfs_mdt_create_block(struct inode *inode, unsigned long block, void *)) { struct the_nilfs *nilfs = NILFS_MDT(inode)->mi_nilfs; - struct nilfs_sb_info *writer = NULL; struct super_block *sb = inode->i_sb; struct nilfs_transaction_info ti; struct buffer_head *bh; int err; if (!sb) { - writer = nilfs_get_writer(nilfs); - if (!writer) { + /* + * Make sure this function is not called from any + * read-only context. + */ + if (!nilfs->ns_writer) { + WARN_ON(1); err = -EROFS; goto out; } - sb = writer->s_super; + sb = nilfs->ns_writer->s_super; } nilfs_transaction_begin(sb, &ti, 0); @@ -127,8 +130,6 @@ static int nilfs_mdt_create_block(struct inode *inode, unsigned long block, err = nilfs_transaction_commit(sb); else nilfs_transaction_abort(sb); - if (writer) - nilfs_put_writer(nilfs); out: return err; } @@ -299,7 +300,7 @@ int nilfs_mdt_delete_block(struct inode *inode, unsigned long block) int err; err = nilfs_bmap_delete(ii->i_bmap, block); - if (likely(!err)) { + if (!err || err == -ENOENT) { nilfs_mdt_mark_dirty(inode); nilfs_mdt_forget_block(inode, block); } diff --git a/trunk/fs/nilfs2/nilfs.h b/trunk/fs/nilfs2/nilfs.h index 3d0c18a16db1..da6fc0bba2e5 100644 --- a/trunk/fs/nilfs2/nilfs.h +++ b/trunk/fs/nilfs2/nilfs.h @@ -236,7 +236,8 @@ extern int nilfs_sync_file(struct file *, struct dentry *, int); /* ioctl.c */ long nilfs_ioctl(struct file *, unsigned int, unsigned long); -int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *, void __user *); +int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *, struct nilfs_argv *, + void **); /* inode.c */ extern struct inode *nilfs_new_inode(struct inode *, int); diff --git a/trunk/fs/nilfs2/page.c b/trunk/fs/nilfs2/page.c index 1bfbba9c0e9a..a2692bbc7b50 100644 --- a/trunk/fs/nilfs2/page.c +++ b/trunk/fs/nilfs2/page.c @@ -128,7 +128,8 @@ void nilfs_forget_buffer(struct buffer_head *bh) lock_buffer(bh); clear_buffer_nilfs_volatile(bh); - if (test_clear_buffer_dirty(bh) && nilfs_page_buffers_clean(page)) + clear_buffer_dirty(bh); + if (nilfs_page_buffers_clean(page)) __nilfs_clear_page_dirty(page); clear_buffer_uptodate(bh); diff --git a/trunk/fs/nilfs2/recovery.c b/trunk/fs/nilfs2/recovery.c index 4fc081e47d70..57afa9d24061 100644 --- a/trunk/fs/nilfs2/recovery.c +++ b/trunk/fs/nilfs2/recovery.c @@ -407,6 +407,7 @@ void nilfs_dispose_segment_list(struct list_head *head) } static int nilfs_prepare_segment_for_recovery(struct the_nilfs *nilfs, + struct nilfs_sb_info *sbi, struct nilfs_recovery_info *ri) { struct list_head *head = &ri->ri_used_segments; @@ -421,6 +422,7 @@ static int nilfs_prepare_segment_for_recovery(struct the_nilfs *nilfs, segnum[2] = ri->ri_segnum; segnum[3] = ri->ri_nextnum; + nilfs_attach_writer(nilfs, sbi); /* * Releasing the next segment of the latest super root. * The next segment is invalidated by this recovery. @@ -459,10 +461,10 @@ static int nilfs_prepare_segment_for_recovery(struct the_nilfs *nilfs, nilfs->ns_pseg_offset = 0; nilfs->ns_seg_seq = ri->ri_seq + 2; nilfs->ns_nextnum = nilfs->ns_segnum = segnum[0]; - return 0; failed: /* No need to recover sufile because it will be destroyed on error */ + nilfs_detach_writer(nilfs, sbi); return err; } @@ -728,7 +730,7 @@ int nilfs_recover_logical_segments(struct the_nilfs *nilfs, goto failed; if (ri->ri_need_recovery == NILFS_RECOVERY_ROLLFORWARD_DONE) { - err = nilfs_prepare_segment_for_recovery(nilfs, ri); + err = nilfs_prepare_segment_for_recovery(nilfs, sbi, ri); if (unlikely(err)) { printk(KERN_ERR "NILFS: Error preparing segments for " "recovery.\n"); diff --git a/trunk/fs/nilfs2/segment.c b/trunk/fs/nilfs2/segment.c index fb70ec3be20e..22c7f65c2403 100644 --- a/trunk/fs/nilfs2/segment.c +++ b/trunk/fs/nilfs2/segment.c @@ -2589,7 +2589,8 @@ nilfs_remove_written_gcinodes(struct the_nilfs *nilfs, struct list_head *head) } } -int nilfs_clean_segments(struct super_block *sb, void __user *argp) +int nilfs_clean_segments(struct super_block *sb, struct nilfs_argv *argv, + void **kbufs) { struct nilfs_sb_info *sbi = NILFS_SB(sb); struct nilfs_sc_info *sci = NILFS_SC(sbi); @@ -2606,7 +2607,7 @@ int nilfs_clean_segments(struct super_block *sb, void __user *argp) err = nilfs_init_gcdat_inode(nilfs); if (unlikely(err)) goto out_unlock; - err = nilfs_ioctl_prepare_clean_segments(nilfs, argp); + err = nilfs_ioctl_prepare_clean_segments(nilfs, argv, kbufs); if (unlikely(err)) goto out_unlock; diff --git a/trunk/fs/nilfs2/segment.h b/trunk/fs/nilfs2/segment.h index a98fc1ed0bbb..476bdd5df5be 100644 --- a/trunk/fs/nilfs2/segment.h +++ b/trunk/fs/nilfs2/segment.h @@ -222,7 +222,8 @@ extern int nilfs_construct_segment(struct super_block *); extern int nilfs_construct_dsync_segment(struct super_block *, struct inode *, loff_t, loff_t); extern void nilfs_flush_segment(struct super_block *, ino_t); -extern int nilfs_clean_segments(struct super_block *, void __user *); +extern int nilfs_clean_segments(struct super_block *, struct nilfs_argv *, + void **); extern int nilfs_segctor_add_segments_to_be_freed(struct nilfs_sc_info *, __u64 *, size_t); diff --git a/trunk/fs/squashfs/Makefile b/trunk/fs/squashfs/Makefile index 8258cf9a0317..70e3244fa30f 100644 --- a/trunk/fs/squashfs/Makefile +++ b/trunk/fs/squashfs/Makefile @@ -5,4 +5,3 @@ obj-$(CONFIG_SQUASHFS) += squashfs.o squashfs-y += block.o cache.o dir.o export.o file.o fragment.o id.o inode.o squashfs-y += namei.o super.o symlink.o -#squashfs-y += squashfs2_0.o diff --git a/trunk/fs/squashfs/cache.c b/trunk/fs/squashfs/cache.c index 1c4739e33af6..40c98fa6b5d6 100644 --- a/trunk/fs/squashfs/cache.c +++ b/trunk/fs/squashfs/cache.c @@ -252,6 +252,7 @@ struct squashfs_cache *squashfs_cache_init(char *name, int entries, cache->entries = entries; cache->block_size = block_size; cache->pages = block_size >> PAGE_CACHE_SHIFT; + cache->pages = cache->pages ? cache->pages : 1; cache->name = name; cache->num_waiters = 0; spin_lock_init(&cache->lock); diff --git a/trunk/fs/squashfs/super.c b/trunk/fs/squashfs/super.c index ffa6edcd2d0c..0adc624c956f 100644 --- a/trunk/fs/squashfs/super.c +++ b/trunk/fs/squashfs/super.c @@ -157,6 +157,16 @@ static int squashfs_fill_super(struct super_block *sb, void *data, int silent) if (msblk->block_size > SQUASHFS_FILE_MAX_SIZE) goto failed_mount; + /* + * Check the system page size is not larger than the filesystem + * block size (by default 128K). This is currently not supported. + */ + if (PAGE_CACHE_SIZE > msblk->block_size) { + ERROR("Page size > filesystem block size (%d). This is " + "currently not supported!\n", msblk->block_size); + goto failed_mount; + } + msblk->block_log = le16_to_cpu(sblk->block_log); if (msblk->block_log > SQUASHFS_FILE_MAX_LOG) goto failed_mount; diff --git a/trunk/include/linux/dmaengine.h b/trunk/include/linux/dmaengine.h index 2e2aa3df170c..ffefba81c818 100644 --- a/trunk/include/linux/dmaengine.h +++ b/trunk/include/linux/dmaengine.h @@ -78,12 +78,18 @@ enum dma_transaction_type { * dependency chains * @DMA_COMPL_SKIP_SRC_UNMAP - set to disable dma-unmapping the source buffer(s) * @DMA_COMPL_SKIP_DEST_UNMAP - set to disable dma-unmapping the destination(s) + * @DMA_COMPL_SRC_UNMAP_SINGLE - set to do the source dma-unmapping as single + * (if not set, do the source dma-unmapping as page) + * @DMA_COMPL_DEST_UNMAP_SINGLE - set to do the destination dma-unmapping as single + * (if not set, do the destination dma-unmapping as page) */ enum dma_ctrl_flags { DMA_PREP_INTERRUPT = (1 << 0), DMA_CTRL_ACK = (1 << 1), DMA_COMPL_SKIP_SRC_UNMAP = (1 << 2), DMA_COMPL_SKIP_DEST_UNMAP = (1 << 3), + DMA_COMPL_SRC_UNMAP_SINGLE = (1 << 4), + DMA_COMPL_DEST_UNMAP_SINGLE = (1 << 5), }; /** diff --git a/trunk/include/linux/syscalls.h b/trunk/include/linux/syscalls.h index 40617c1d8976..30520844b8da 100644 --- a/trunk/include/linux/syscalls.h +++ b/trunk/include/linux/syscalls.h @@ -433,6 +433,7 @@ asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg); asmlinkage long sys_fcntl64(unsigned int fd, unsigned int cmd, unsigned long arg); #endif +asmlinkage long sys_pipe2(int __user *fildes, int flags); asmlinkage long sys_dup(unsigned int fildes); asmlinkage long sys_dup2(unsigned int oldfd, unsigned int newfd); asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags); diff --git a/trunk/mm/madvise.c b/trunk/mm/madvise.c index 36d6ea2b6340..b9ce574827c8 100644 --- a/trunk/mm/madvise.c +++ b/trunk/mm/madvise.c @@ -112,14 +112,6 @@ static long madvise_willneed(struct vm_area_struct * vma, if (!file) return -EBADF; - /* - * Page cache readahead assumes page cache pages are order-0 which - * is not the case for hugetlbfs. Do not give a bad return value - * but ignore the advice. - */ - if (vma->vm_flags & VM_HUGETLB) - return 0; - if (file->f_mapping->a_ops->get_xip_mem) { /* no bad return value, but ignore advice */ return 0; diff --git a/trunk/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/trunk/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c index 629a28764da9..42a6f9f20285 100644 --- a/trunk/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c +++ b/trunk/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c @@ -265,7 +265,7 @@ static int fast_reg_read_chunks(struct svcxprt_rdma *xprt, frmr->page_list->page_list[page_no] = ib_dma_map_single(xprt->sc_cm_id->device, page_address(rqstp->rq_arg.pages[page_no]), - PAGE_SIZE, DMA_TO_DEVICE); + PAGE_SIZE, DMA_FROM_DEVICE); if (ib_dma_mapping_error(xprt->sc_cm_id->device, frmr->page_list->page_list[page_no])) goto fatal_err; diff --git a/trunk/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/trunk/net/sunrpc/xprtrdma/svc_rdma_sendto.c index 6c26a675435a..8b510c5e8777 100644 --- a/trunk/net/sunrpc/xprtrdma/svc_rdma_sendto.c +++ b/trunk/net/sunrpc/xprtrdma/svc_rdma_sendto.c @@ -183,6 +183,7 @@ static int fast_reg_xdr(struct svcxprt_rdma *xprt, fatal_err: printk("svcrdma: Error fast registering memory for xprt %p\n", xprt); + vec->frmr = NULL; svc_rdma_put_frmr(xprt, frmr); return -EIO; } @@ -516,6 +517,7 @@ static int send_reply(struct svcxprt_rdma *rdma, "svcrdma: could not post a receive buffer, err=%d." "Closing transport %p.\n", ret, rdma); set_bit(XPT_CLOSE, &rdma->sc_xprt.xpt_flags); + svc_rdma_put_frmr(rdma, vec->frmr); svc_rdma_put_context(ctxt, 0); return -ENOTCONN; } @@ -606,6 +608,7 @@ static int send_reply(struct svcxprt_rdma *rdma, return 0; err: + svc_rdma_unmap_dma(ctxt); svc_rdma_put_frmr(rdma, vec->frmr); svc_rdma_put_context(ctxt, 1); return -EIO; diff --git a/trunk/net/sunrpc/xprtrdma/svc_rdma_transport.c b/trunk/net/sunrpc/xprtrdma/svc_rdma_transport.c index 3d810e7df3fb..4b0c2fa15e0b 100644 --- a/trunk/net/sunrpc/xprtrdma/svc_rdma_transport.c +++ b/trunk/net/sunrpc/xprtrdma/svc_rdma_transport.c @@ -520,8 +520,9 @@ int svc_rdma_post_recv(struct svcxprt_rdma *xprt) svc_xprt_get(&xprt->sc_xprt); ret = ib_post_recv(xprt->sc_qp, &recv_wr, &bad_recv_wr); if (ret) { - svc_xprt_put(&xprt->sc_xprt); + svc_rdma_unmap_dma(ctxt); svc_rdma_put_context(ctxt, 1); + svc_xprt_put(&xprt->sc_xprt); } return ret;