---

yaml
---
r: 15224
b: refs/heads/master
c: 23cb3ad
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 16e842a62a8ffcc2e51def6ef9fd6e0926539bc5
+refs/heads/master: 23cb3ada1b011f708ff881b66b2cfb6c11068fa5

trunk/arch/ia64/configs/sn2_defconfig

@@ -113,7 +113,7 @@ CONFIG_IOSAPIC=y
 CONFIG_IA64_SGI_SN_XP=m
 CONFIG_FORCE_MAX_ZONEORDER=17
 CONFIG_SMP=y
-CONFIG_NR_CPUS=512
+CONFIG_NR_CPUS=1024
 # CONFIG_HOTPLUG_CPU is not set
 CONFIG_SCHED_SMT=y
 CONFIG_PREEMPT=y

trunk/arch/ia64/kernel/time.c

@@ -249,3 +249,32 @@ time_init (void)
 	 */
 	set_normalized_timespec(&wall_to_monotonic, -xtime.tv_sec, -xtime.tv_nsec);
 }
+
+#define SMALLUSECS 100
+
+void
+udelay (unsigned long usecs)
+{
+	unsigned long start;
+	unsigned long cycles;
+	unsigned long smallusecs;
+
+	/*
+	 * Execute the non-preemptible delay loop (because the ITC might
+	 * not be synchronized between CPUS) in relatively short time
+	 * chunks, allowing preemption between the chunks.
+	 */
+	while (usecs > 0) {
+		smallusecs = (usecs > SMALLUSECS) ? SMALLUSECS : usecs;
+		preempt_disable();
+		cycles = smallusecs*local_cpu_data->cyc_per_usec;
+		start = ia64_get_itc();
+
+		while (ia64_get_itc() - start < cycles)
+			cpu_relax();
+
+		preempt_enable();
+		usecs -= smallusecs;
+	}
+}
+EXPORT_SYMBOL(udelay);

trunk/arch/ia64/kernel/uncached.c

@@ -53,7 +53,7 @@ static void uncached_ipi_visibility(void *data)
 	if ((status != PAL_VISIBILITY_OK) &&
 	    (status != PAL_VISIBILITY_OK_REMOTE_NEEDED))
 		printk(KERN_DEBUG "pal_prefetch_visibility() returns %i on "
-		       "CPU %i\n", status, get_cpu());
+		       "CPU %i\n", status, raw_smp_processor_id());
 }
 
 
@@ -63,7 +63,7 @@ static void uncached_ipi_mc_drain(void *data)
 	status = ia64_pal_mc_drain();
 	if (status)
 		printk(KERN_WARNING "ia64_pal_mc_drain() failed with %i on "
-		       "CPU %i\n", status, get_cpu());
+		       "CPU %i\n", status, raw_smp_processor_id());
 }
 
 
@@ -105,7 +105,7 @@ uncached_get_new_chunk(struct gen_pool *poolp)
 	status = ia64_pal_prefetch_visibility(PAL_VISIBILITY_PHYSICAL);
 
 	dprintk(KERN_INFO "pal_prefetch_visibility() returns %i on cpu %i\n",
-		status, get_cpu());
+		status, raw_smp_processor_id());
 
 	if (!status) {
 		status = smp_call_function(uncached_ipi_visibility, NULL, 0, 1);

trunk/arch/ia64/kernel/vmlinux.lds.S

@@ -177,6 +177,9 @@ SECTIONS
 	}
   . = ALIGN(PAGE_SIZE);		/* make sure the gate page doesn't expose kernel data */
 
+  .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET)
+        { *(.data.read_mostly) }
+
   .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET)
         { *(.data.cacheline_aligned) }
 

trunk/arch/ia64/sn/kernel/sn2/sn2_smp.c

@@ -202,7 +202,7 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start,
 		     unsigned long end, unsigned long nbits)
 {
 	int i, opt, shub1, cnode, mynasid, cpu, lcpu = 0, nasid, flushed = 0;
-	int mymm = (mm == current->active_mm);
+	int mymm = (mm == current->active_mm && current->mm);
 	volatile unsigned long *ptc0, *ptc1;
 	unsigned long itc, itc2, flags, data0 = 0, data1 = 0, rr_value;
 	short nasids[MAX_NUMNODES], nix;

trunk/arch/ppc/syslib/ppc4xx_dma.c

@@ -30,6 +30,7 @@
 
 #include <asm/system.h>
 #include <asm/io.h>
+#include <asm/dma.h>
 #include <asm/ppc4xx_dma.h>
 
 ppc_dma_ch_t dma_channels[MAX_PPC4xx_DMA_CHANNELS];

trunk/arch/um/Kconfig

@@ -289,6 +289,8 @@ source "arch/um/Kconfig.net"
 
 source "drivers/net/Kconfig"
 
+source "drivers/connector/Kconfig"
+
 source "fs/Kconfig"
 
 source "security/Kconfig"

trunk/arch/um/Makefile-x86_64

@@ -12,3 +12,7 @@ CHECKFLAGS  += -m64
 
 ELF_ARCH := i386:x86-64
 ELF_FORMAT := elf64-x86-64
+
+# Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example.
+
+LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64

trunk/arch/um/include/sysdep-i386/stub.h

@@ -6,8 +6,12 @@
 #ifndef __SYSDEP_STUB_H
 #define __SYSDEP_STUB_H
 
+#include <sys/mman.h>
 #include <asm/ptrace.h>
 #include <asm/unistd.h>
+#include "stub-data.h"
+#include "kern_constants.h"
+#include "uml-config.h"
 
 extern void stub_segv_handler(int sig);
 extern void stub_clone_handler(void);
@@ -76,23 +80,22 @@ static inline long stub_syscall5(long syscall, long arg1, long arg2, long arg3,
 	return ret;
 }
 
-static inline long stub_syscall6(long syscall, long arg1, long arg2, long arg3,
-				 long arg4, long arg5, long arg6)
+static inline void trap_myself(void)
 {
-	long ret;
-
-	__asm__ volatile ("push %%ebp ; movl %%eax,%%ebp ; movl %1,%%eax ; "
-			"int $0x80 ; pop %%ebp"
-			: "=a" (ret)
-			: "g" (syscall), "b" (arg1), "c" (arg2), "d" (arg3),
-			  "S" (arg4), "D" (arg5), "0" (arg6));
-
-	return ret;
+	__asm("int3");
 }
 
-static inline void trap_myself(void)
+static inline void remap_stack(int fd, unsigned long offset)
 {
-	__asm("int3");
+	__asm__ volatile ("movl %%eax,%%ebp ; movl %0,%%eax ; int $0x80 ;"
+			  "movl %7, %%ebx ; movl %%eax, (%%ebx)"
+			  : : "g" (STUB_MMAP_NR), "b" (UML_CONFIG_STUB_DATA), 
+			    "c" (UM_KERN_PAGE_SIZE), 
+			    "d" (PROT_READ | PROT_WRITE),
+			    "S" (MAP_FIXED | MAP_SHARED), "D" (fd), 
+			    "a" (offset), 
+			    "i" (&((struct stub_data *) UML_CONFIG_STUB_DATA)->err) 
+			  : "memory");
 }
 
 #endif

trunk/arch/um/include/sysdep-x86_64/stub.h

@@ -6,8 +6,12 @@
 #ifndef __SYSDEP_STUB_H
 #define __SYSDEP_STUB_H
 
+#include <sys/mman.h>
 #include <asm/unistd.h>
 #include <sysdep/ptrace_user.h>
+#include "stub-data.h"
+#include "kern_constants.h"
+#include "uml-config.h"
 
 extern void stub_segv_handler(int sig);
 extern void stub_clone_handler(void);
@@ -81,23 +85,23 @@ static inline long stub_syscall5(long syscall, long arg1, long arg2, long arg3,
 	return ret;
 }
 
-static inline long stub_syscall6(long syscall, long arg1, long arg2, long arg3,
-				 long arg4, long arg5, long arg6)
+static inline void trap_myself(void)
 {
-	long ret;
-
-	__asm__ volatile ("movq %5,%%r10 ; movq %6,%%r8 ; "
-		"movq %7, %%r9; " __syscall : "=a" (ret)
-		: "0" (syscall), "D" (arg1), "S" (arg2), "d" (arg3),
-		  "g" (arg4), "g" (arg5), "g" (arg6)
-		: __syscall_clobber, "r10", "r8", "r9" );
-
-	return ret;
+	__asm("int3");
 }
 
-static inline void trap_myself(void)
+static inline void remap_stack(long fd, unsigned long offset)
 {
-	__asm("int3");
+	__asm__ volatile ("movq %4,%%r10 ; movq %5,%%r8 ; "
+			  "movq %6, %%r9; " __syscall "; movq %7, %%rbx ; "
+			  "movq %%rax, (%%rbx)": 
+			  : "a" (STUB_MMAP_NR), "D" (UML_CONFIG_STUB_DATA), 
+			    "S" (UM_KERN_PAGE_SIZE), 
+			    "d" (PROT_READ | PROT_WRITE), 
+                            "g" (MAP_FIXED | MAP_SHARED), "g" (fd), 
+			    "g" (offset),
+			    "i" (&((struct stub_data *) UML_CONFIG_STUB_DATA)->err)
+			  : __syscall_clobber, "r10", "r8", "r9" );
 }
 
 #endif

trunk/arch/um/kernel/skas/clone.c

@@ -18,11 +18,10 @@
  * on some systems.
  */
 
-#define STUB_DATA(field) (((struct stub_data *) UML_CONFIG_STUB_DATA)->field)
-
 void __attribute__ ((__section__ (".__syscall_stub")))
 stub_clone_handler(void)
 {
+	struct stub_data *data = (struct stub_data *) UML_CONFIG_STUB_DATA;
 	long err;
 
 	err = stub_syscall2(__NR_clone, CLONE_PARENT | CLONE_FILES | SIGCHLD,
@@ -35,17 +34,21 @@ stub_clone_handler(void)
 	if(err)
 		goto out;
 
-	err = stub_syscall3(__NR_setitimer, ITIMER_VIRTUAL,
-			    (long) &STUB_DATA(timer), 0);
+	err = stub_syscall3(__NR_setitimer, ITIMER_VIRTUAL, 
+			    (long) &data->timer, 0);
 	if(err)
 		goto out;
 
-	err = stub_syscall6(STUB_MMAP_NR, UML_CONFIG_STUB_DATA,
-			    UM_KERN_PAGE_SIZE, PROT_READ | PROT_WRITE,
-			    MAP_FIXED | MAP_SHARED, STUB_DATA(fd),
-			    STUB_DATA(offset));
+	remap_stack(data->fd, data->offset);
+	goto done;
+
  out:
-	/* save current result. Parent: pid; child: retcode of mmap */
-	STUB_DATA(err) = err;
+	/* save current result. 
+	 * Parent: pid; 
+	 * child: retcode of mmap already saved and it jumps around this 
+	 * assignment
+	 */
+	data->err = err;
+ done:
 	trap_myself();
 }

trunk/arch/um/scripts/Makefile.rules

@@ -21,11 +21,6 @@ define unprofile
 endef
 
 
-# The stubs and unmap.o can't try to call mcount or update basic block data
-define unprofile
-	$(patsubst -pg,,$(patsubst -fprofile-arcs -ftest-coverage,,$(1)))
-endef
-
 # cmd_make_link checks to see if the $(foo-dir) variable starts with a /.  If
 # so, it's considered to be a path relative to $(srcdir) rather than
 # $(srcdir)/arch/$(SUBARCH).  This is because x86_64 wants to get ldt.c from

trunk/drivers/char/drm/radeon_cp.c

@@ -1311,7 +1311,7 @@ static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on)
 
 static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
 {
-	drm_radeon_private_t *dev_priv = dev->dev_private;;
+	drm_radeon_private_t *dev_priv = dev->dev_private;
 	unsigned int mem_size;
 
 	DRM_DEBUG("\n");

trunk/drivers/char/watchdog/booke_wdt.c

@@ -173,7 +173,7 @@ static int __init booke_wdt_init(void)
 	int ret = 0;
 
 	printk (KERN_INFO "PowerPC Book-E Watchdog Timer Loaded\n");
-	ident.firmware_version = cpu_specs[0].pvr_value;
+	ident.firmware_version = cur_cpu_spec->pvr_value;
 
 	ret = misc_register(&booke_wdt_miscdev);
 	if (ret) {

trunk/drivers/message/i2o/pci.c

@@ -303,6 +303,7 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev,
 	struct i2o_controller *c;
 	int rc;
 	struct pci_dev *i960 = NULL;
+	int pci_dev_busy = 0;
 
 	printk(KERN_INFO "i2o: Checking for PCI I2O controllers...\n");
 
@@ -395,6 +396,8 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev,
 	if ((rc = i2o_pci_alloc(c))) {
 		printk(KERN_ERR "%s: DMA / IO allocation for I2O controller "
 		       " failed\n", c->name);
+		if (rc == -ENODEV)
+			pci_dev_busy = 1;
 		goto free_controller;
 	}
 
@@ -425,7 +428,8 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev,
 	i2o_iop_free(c);
 
       disable:
-	pci_disable_device(pdev);
+	if (!pci_dev_busy)
+		pci_disable_device(pdev);
 
 	return rc;
 }

trunk/drivers/mtd/onenand/generic.c

@@ -12,9 +12,9 @@
  *   This is a device driver for the OneNAND flash for generic boards.
  */
 
-#include <linux/device.h>
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/platform_device.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/onenand.h>
 #include <linux/mtd/partitions.h>
@@ -39,7 +39,7 @@ static int __devinit generic_onenand_probe(struct device *dev)
 {
 	struct onenand_info *info;
 	struct platform_device *pdev = to_platform_device(dev);
-	struct onenand_platform_data *pdata = pdev->dev.platform_data;
+	struct flash_platform_data *pdata = pdev->dev.platform_data;
 	struct resource *res = pdev->resource;
 	unsigned long size = res->end - res->start + 1;
 	int err;