---

yaml --- r: 55978 b: refs/heads/master c: ee54d2d h: refs/heads/master v: v3
git-mirror · May 11, 2007 · 2a46d33 · 2a46d33
1 parent 76d390f
commit 2a46d33
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diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: da0dd231436ba7e81789e93dd933d7a275e1709d
+refs/heads/master: ee54d2d87a8158d14434c1a3274bd7f713105836
diff --git a/trunk/Documentation/SubmitChecklist b/trunk/Documentation/SubmitChecklist
@@ -73,9 +73,9 @@ kernel patches.
     If the new code is substantial, addition of subsystem-specific fault
     injection might be appropriate.
 
-22: Newly-added code has been compiled with `gcc -W'.  This will generate
-    lots of noise, but is good for finding bugs like "warning: comparison
-    between signed and unsigned".
+22: Newly-added code has been compiled with `gcc -W' (use "make
+    EXTRA_CFLAGS=-W").  This will generate lots of noise, but is good for
+    finding bugs like "warning: comparison between signed and unsigned".
 
 23: Tested after it has been merged into the -mm patchset to make sure
     that it still works with all of the other queued patches and various

diff --git a/trunk/Documentation/gpio.txt b/trunk/Documentation/gpio.txt
@@ -66,7 +66,9 @@ registers; another might implement it by delegating through abstractions
 used for several very different kinds of GPIO controller.
 
 That said, if the convention is supported on their platform, drivers should
-use it when possible:
+use it when possible.  Platforms should declare GENERIC_GPIO support in
+Kconfig (boolean true), which multi-platform drivers can depend on when
+using the include file:
 
 	#include <asm/gpio.h>
 

diff --git a/trunk/arch/frv/kernel/gdb-stub.c b/trunk/arch/frv/kernel/gdb-stub.c
@@ -1195,7 +1195,7 @@ static void gdbstub_check_breakpoint(void)
 /*
  *
  */
-static void __attribute__((unused)) gdbstub_show_regs(void)
+static void __maybe_unused gdbstub_show_regs(void)
 {
 	unsigned long *reg;
 	int loop;
@@ -1223,7 +1223,7 @@ static void __attribute__((unused)) gdbstub_show_regs(void)
 /*
  * dump debugging regs
  */
-static void __attribute__((unused)) gdbstub_dump_debugregs(void)
+static void __maybe_unused gdbstub_dump_debugregs(void)
 {
 	gdbstub_printk("DCR    %08lx  ", __debug_status.dcr);
 	gdbstub_printk("BRR    %08lx\n", __debug_status.brr);
@@ -2079,25 +2079,25 @@ void gdbstub_exit(int status)
  * GDB wants to call malloc() and free() to allocate memory for calling kernel
  * functions directly from its command line
  */
-static void *malloc(size_t size) __attribute__((unused));
+static void *malloc(size_t size) __maybe_unused;
 static void *malloc(size_t size)
 {
 	return kmalloc(size, GFP_ATOMIC);
 }
 
-static void free(void *p) __attribute__((unused));
+static void free(void *p) __maybe_unused;
 static void free(void *p)
 {
 	kfree(p);
 }
 
-static uint32_t ___get_HSR0(void) __attribute__((unused));
+static uint32_t ___get_HSR0(void) __maybe_unused;
 static uint32_t ___get_HSR0(void)
 {
 	return __get_HSR(0);
 }
 
-static uint32_t ___set_HSR0(uint32_t x) __attribute__((unused));
+static uint32_t ___set_HSR0(uint32_t x) __maybe_unused;
 static uint32_t ___set_HSR0(uint32_t x)
 {
 	__set_HSR(0, x);

diff --git a/trunk/arch/h8300/kernel/syscalls.S b/trunk/arch/h8300/kernel/syscalls.S
@@ -31,7 +31,7 @@ SYMBOL_NAME_LABEL(sys_call_table)
 	.long SYMBOL_NAME(sys_mknod)
 	.long SYMBOL_NAME(sys_chmod)		/* 15 */
 	.long SYMBOL_NAME(sys_chown16)
-	.long SYMBOL_NAME(sys_ni_syscall)				/* old break syscall holder */
+	.long SYMBOL_NAME(sys_ni_syscall)	/* old break syscall holder */
 	.long SYMBOL_NAME(sys_stat)
 	.long SYMBOL_NAME(sys_lseek)
 	.long SYMBOL_NAME(sys_getpid)		/* 20 */
@@ -45,11 +45,11 @@ SYMBOL_NAME_LABEL(sys_call_table)
 	.long SYMBOL_NAME(sys_fstat)
 	.long SYMBOL_NAME(sys_pause)
 	.long SYMBOL_NAME(sys_utime)		/* 30 */
-	.long SYMBOL_NAME(sys_ni_syscall)				/* old stty syscall holder */
-	.long SYMBOL_NAME(sys_ni_syscall)				/* old gtty syscall holder */
+	.long SYMBOL_NAME(sys_ni_syscall)	/* old stty syscall holder */
+	.long SYMBOL_NAME(sys_ni_syscall)	/* old gtty syscall holder */
 	.long SYMBOL_NAME(sys_access)
 	.long SYMBOL_NAME(sys_nice)
-	.long SYMBOL_NAME(sys_ni_syscall)	/* 35 */		/* old ftime syscall holder */
+	.long SYMBOL_NAME(sys_ni_syscall)	/* 35 old ftime syscall holder */
 	.long SYMBOL_NAME(sys_sync)
 	.long SYMBOL_NAME(sys_kill)
 	.long SYMBOL_NAME(sys_rename)
@@ -58,21 +58,21 @@ SYMBOL_NAME_LABEL(sys_call_table)
 	.long SYMBOL_NAME(sys_dup)
 	.long SYMBOL_NAME(sys_pipe)
 	.long SYMBOL_NAME(sys_times)
-	.long SYMBOL_NAME(sys_ni_syscall)				/* old prof syscall holder */
+	.long SYMBOL_NAME(sys_ni_syscall)	/* old prof syscall holder */
 	.long SYMBOL_NAME(sys_brk)		/* 45 */
 	.long SYMBOL_NAME(sys_setgid16)
 	.long SYMBOL_NAME(sys_getgid16)
 	.long SYMBOL_NAME(sys_signal)
 	.long SYMBOL_NAME(sys_geteuid16)
 	.long SYMBOL_NAME(sys_getegid16)	/* 50 */
 	.long SYMBOL_NAME(sys_acct)
-	.long SYMBOL_NAME(sys_umount)					/* recycled never used phys() */
-	.long SYMBOL_NAME(sys_ni_syscall)				/* old lock syscall holder */
+	.long SYMBOL_NAME(sys_umount)		/* recycled never used phys() */
+	.long SYMBOL_NAME(sys_ni_syscall)	/* old lock syscall holder */
 	.long SYMBOL_NAME(sys_ioctl)
 	.long SYMBOL_NAME(sys_fcntl)		/* 55 */
-	.long SYMBOL_NAME(sys_ni_syscall)				/* old mpx syscall holder */
+	.long SYMBOL_NAME(sys_ni_syscall)	/* old mpx syscall holder */
 	.long SYMBOL_NAME(sys_setpgid)
-	.long SYMBOL_NAME(sys_ni_syscall)				/* old ulimit syscall holder */
+	.long SYMBOL_NAME(sys_ni_syscall)	/* old ulimit syscall holder */
 	.long SYMBOL_NAME(sys_ni_syscall)
 	.long SYMBOL_NAME(sys_umask)		/* 60 */
 	.long SYMBOL_NAME(sys_chroot)
@@ -112,7 +112,7 @@ SYMBOL_NAME_LABEL(sys_call_table)
 	.long SYMBOL_NAME(sys_fchown16)		/* 95 */
 	.long SYMBOL_NAME(sys_getpriority)
 	.long SYMBOL_NAME(sys_setpriority)
-	.long SYMBOL_NAME(sys_ni_syscall)				/* old profil syscall holder */
+	.long SYMBOL_NAME(sys_ni_syscall)	/* old profil syscall holder */
 	.long SYMBOL_NAME(sys_statfs)
 	.long SYMBOL_NAME(sys_fstatfs)		/* 100 */
 	.long SYMBOL_NAME(sys_ni_syscall)	/* ioperm for i386 */
@@ -202,8 +202,8 @@ SYMBOL_NAME_LABEL(sys_call_table)
 	.long SYMBOL_NAME(sys_capset)           /* 185 */
 	.long SYMBOL_NAME(sys_sigaltstack)
 	.long SYMBOL_NAME(sys_sendfile)
-	.long SYMBOL_NAME(sys_ni_syscall)		/* streams1 */
-	.long SYMBOL_NAME(sys_ni_syscall)		/* streams2 */
+	.long SYMBOL_NAME(sys_ni_syscall)	/* streams1 */
+	.long SYMBOL_NAME(sys_ni_syscall)	/* streams2 */
 	.long SYMBOL_NAME(sys_vfork)            /* 190 */
 	.long SYMBOL_NAME(sys_getrlimit)
 	.long SYMBOL_NAME(sys_mmap2)
@@ -236,10 +236,10 @@ SYMBOL_NAME_LABEL(sys_call_table)
 	.long SYMBOL_NAME(sys_ni_syscall)
 	.long SYMBOL_NAME(sys_getdents64)	/* 220 */
 	.long SYMBOL_NAME(sys_fcntl64)
-	.long SYMBOL_NAME(sys_ni_syscall)	/* reserved for TUX */
-	.long SYMBOL_NAME(sys_ni_syscall)
+	.long SYMBOL_NAME(sys_ni_syscall)	/* reserved TUX */
+	.long SYMBOL_NAME(sys_ni_syscall)	/* reserved Security */
 	.long SYMBOL_NAME(sys_gettid)
-	.long SYMBOL_NAME(sys_ni_syscall)	/* 225 */ /* sys_readahead */
+	.long SYMBOL_NAME(sys_readahead)	/* 225 */
 	.long SYMBOL_NAME(sys_setxattr)
 	.long SYMBOL_NAME(sys_lsetxattr)
 	.long SYMBOL_NAME(sys_fsetxattr)
@@ -257,8 +257,8 @@ SYMBOL_NAME_LABEL(sys_call_table)
 	.long SYMBOL_NAME(sys_futex)		/* 240 */
 	.long SYMBOL_NAME(sys_sched_setaffinity)
 	.long SYMBOL_NAME(sys_sched_getaffinity)
-	.long SYMBOL_NAME(sys_ni_syscall)	/* sys_set_thread_area */
-	.long SYMBOL_NAME(sys_ni_syscall)	/* sys_get_thread_area */
+	.long SYMBOL_NAME(sys_ni_syscall)
+	.long SYMBOL_NAME(sys_ni_syscall)
 	.long SYMBOL_NAME(sys_io_setup)		/* 245 */
 	.long SYMBOL_NAME(sys_io_destroy)
 	.long SYMBOL_NAME(sys_io_getevents)
@@ -288,25 +288,51 @@ SYMBOL_NAME_LABEL(sys_call_table)
 	.long SYMBOL_NAME(sys_utimes)
  	.long SYMBOL_NAME(sys_fadvise64_64)
 	.long SYMBOL_NAME(sys_ni_syscall)	/* sys_vserver */
-	.long SYMBOL_NAME(sys_mbind)
-	.long SYMBOL_NAME(sys_get_mempolicy)
+	.long SYMBOL_NAME(sys_ni_syscall)
+	.long SYMBOL_NAME(sys_get_mempolicy)	/* 275 */
 	.long SYMBOL_NAME(sys_set_mempolicy)
 	.long SYMBOL_NAME(sys_mq_open)
 	.long SYMBOL_NAME(sys_mq_unlink)
 	.long SYMBOL_NAME(sys_mq_timedsend)
 	.long SYMBOL_NAME(sys_mq_timedreceive)	/* 280 */
 	.long SYMBOL_NAME(sys_mq_notify)
 	.long SYMBOL_NAME(sys_mq_getsetattr)
-	.long SYMBOL_NAME(sys_ni_syscall)	/* reserved for kexec */
 	.long SYMBOL_NAME(sys_waitid)
-	.long SYMBOL_NAME(sys_ni_syscall)	/* 285 */ /* available */
-	.long SYMBOL_NAME(sys_add_key)
+	.long SYMBOL_NAME(sys_ni_syscall)	/* sys_kexec_load */
+	.long SYMBOL_NAME(sys_add_key) 		/* 285 */
 	.long SYMBOL_NAME(sys_request_key)
 	.long SYMBOL_NAME(sys_keyctl)
-
-	.rept NR_syscalls-(.-SYMBOL_NAME(sys_call_table))/4
-		.long SYMBOL_NAME(sys_ni_syscall)
-	.endr
+	.long SYMBOL_NAME(sys_ioprio_set)
+	.long SYMBOL_NAME(sys_ioprio_get)	/* 290 */
+	.long SYMBOL_NAME(sys_inotify_init)
+	.long SYMBOL_NAME(sys_inotify_add_watch)
+	.long SYMBOL_NAME(sys_inotify_rm_watch)
+	.long SYMBOL_NAME(sys_migrate_pages)
+	.long SYMBOL_NAME(sys_openat)		/* 295 */
+	.long SYMBOL_NAME(sys_mkdirat)
+	.long SYMBOL_NAME(sys_mknodat)
+	.long SYMBOL_NAME(sys_fchownat)
+	.long SYMBOL_NAME(sys_futimesat)
+	.long SYMBOL_NAME(sys_fstatat64)	/* 300 */
+	.long SYMBOL_NAME(sys_unlinkat)
+	.long SYMBOL_NAME(sys_renameat)
+	.long SYMBOL_NAME(sys_linkat)
+	.long SYMBOL_NAME(sys_symlinkat)
+	.long SYMBOL_NAME(sys_readlinkat)	/* 305 */
+	.long SYMBOL_NAME(sys_fchmodat)
+	.long SYMBOL_NAME(sys_faccessat)
+	.long SYMBOL_NAME(sys_ni_syscall)	/* sys_pselect6 */
+	.long SYMBOL_NAME(sys_ni_syscall)	/* sys_ppoll */
+	.long SYMBOL_NAME(sys_unshare)		/* 310 */
+	.long SYMBOL_NAME(sys_set_robust_list)
+	.long SYMBOL_NAME(sys_get_robust_list)
+	.long SYMBOL_NAME(sys_splice)
+	.long SYMBOL_NAME(sys_sync_file_range)
+	.long SYMBOL_NAME(sys_tee)		/* 315 */
+	.long SYMBOL_NAME(sys_vmsplice)
+	.long SYMBOL_NAME(sys_ni_syscall)	/* sys_move_pages */
+	.long SYMBOL_NAME(sys_getcpu)
+	.long SYMBOL_NAME(sys_ni_syscall)	/* sys_epoll_pwait */
 
 	.macro	call_sp addr
 	mov.l	#SYMBOL_NAME(\addr),er6

diff --git a/trunk/arch/i386/kernel/syscall_table.S b/trunk/arch/i386/kernel/syscall_table.S
@@ -320,3 +320,6 @@ ENTRY(sys_call_table)
 	.long sys_getcpu
 	.long sys_epoll_pwait
 	.long sys_utimensat		/* 320 */
+	.long sys_signalfd
+	.long sys_timerfd
+	.long sys_eventfd
diff --git a/trunk/arch/m32r/Kconfig b/trunk/arch/m32r/Kconfig
@@ -241,6 +241,10 @@ config GENERIC_CALIBRATE_DELAY
 	bool
 	default y
 
+config SCHED_NO_NO_OMIT_FRAME_POINTER
+        bool
+        default y
+
 config PREEMPT
 	bool "Preemptible Kernel"
 	help

diff --git a/trunk/arch/m32r/mm/mmu.S b/trunk/arch/m32r/mm/mmu.S
@@ -163,7 +163,8 @@ ENTRY(tme_handler)
 
 	; pte_data = (unsigned long)pte_val(*pte);
 	ld	r2, @r3			; r2: pte data
-	or3	r2, r2, #2		; _PAGE_PRESENT(=2)
+	and3	r3, r2, #2		; _PAGE_PRESENT(=2) check
+	beqz	r3, 3f
 
 	.fillinsn
 5:
@@ -264,11 +265,8 @@ ENTRY(tme_handler)
 ;
 	and3	r1, r1, #0xeff
 	ldi	r4, #611		; _KERNPG_TABLE(=611)
-	beq	r1, r4, 4f		; !pmd_bad(*pmd) ?
-	.fillinsn
-3:
-	ldi	r1, #0			; r1: pte_data = 0
-	bra	5f
+	bne	r1, r4, 3f		; !pmd_bad(*pmd) ?
+
 	.fillinsn
 4:
 	; pte = pte_offset(pmd, address);
@@ -282,8 +280,10 @@ ENTRY(tme_handler)
 	add	r4, r3			; r4: pte
 	; pte_data = (unsigned long)pte_val(*pte);
 	ld	r1, @r4			; r1: pte_data
-	.fillinsn
+	and3	r3, r1, #2		; _PAGE_PRESENT(=2) check
+	beqz	r3, 3f
 
+	.fillinsn
 ;; set tlb
 ; r0: address, r1: pte_data, r2: entry
 ; r3,r4: (free)
@@ -295,8 +295,7 @@ ENTRY(tme_handler)
 	and3	r4, r4, #(MMU_CONTEXT_ASID_MASK)
 	or	r3, r4
 	st	r3, @r2
-	or3	r4, r1, #2		; _PAGE_PRESENT(=2)
-	st	r4, @(4,r2)		; set_tlb_data(entry, pte_data);
+	st	r1, @(4,r2)		; set_tlb_data(entry, pte_data);
 
 	ld	r4, @sp+
 	ld	r3, @sp+
@@ -306,6 +305,11 @@ ENTRY(tme_handler)
 	ld	sp, @sp+
 	rte
 
+	.fillinsn
+3:
+	ldi	r1, #2			; r1: pte_data = 0 | _PAGE_PRESENT(=2)
+	bra	5b
+
 #else
 #error unknown isa configuration
 #endif

diff --git a/trunk/arch/powerpc/kernel/irq.c b/trunk/arch/powerpc/kernel/irq.c
@@ -173,7 +173,7 @@ void local_irq_restore(unsigned long en)
 		lv1_get_version_info(&tmp);
 	}
 
-	hard_irq_enable();
+	__hard_irq_enable();
 }
 #endif /* CONFIG_PPC64 */
 

diff --git a/trunk/arch/powerpc/kernel/swsusp.c b/trunk/arch/powerpc/kernel/swsusp.c
@@ -36,8 +36,4 @@ void restore_processor_state(void)
 #ifdef CONFIG_PPC32
 	set_context(current->active_mm->context.id, current->active_mm->pgd);
 #endif
-
-#ifdef CONFIG_PPC64
-	hard_irq_enable();
-#endif
 }
diff --git a/trunk/arch/powerpc/platforms/cell/pervasive.c b/trunk/arch/powerpc/platforms/cell/pervasive.c
@@ -43,12 +43,10 @@ static void cbe_power_save(void)
 	unsigned long ctrl, thread_switch_control;
 
 	/*
-	 * We need to hard disable interrupts, but we also need to mark them
-	 * hard disabled in the PACA so that the local_irq_enable() done by
-	 * our caller upon return propertly hard enables.
+	 * We need to hard disable interrupts, the local_irq_enable() done by
+	 * our caller upon return will hard re-enable.
 	 */
 	hard_irq_disable();
-	get_paca()->hard_enabled = 0;
 
 	ctrl = mfspr(SPRN_CTRLF);
 

diff --git a/trunk/arch/um/Kconfig b/trunk/arch/um/Kconfig
@@ -277,7 +277,8 @@ config HIGHMEM
 
 config KERNEL_STACK_ORDER
 	int "Kernel stack size order"
-	default 2
+	default 1 if 64BIT
+	default 0 if !64BIT
 	help
 	This option determines the size of UML kernel stacks.  They will
 	be 1 << order pages.  The default is OK unless you're running Valgrind

diff --git a/trunk/arch/um/defconfig b/trunk/arch/um/defconfig
@@ -86,7 +86,7 @@ CONFIG_MCONSOLE=y
 # CONFIG_MAGIC_SYSRQ is not set
 CONFIG_NEST_LEVEL=0
 # CONFIG_HIGHMEM is not set
-CONFIG_KERNEL_STACK_ORDER=2
+CONFIG_KERNEL_STACK_ORDER=0
 CONFIG_UML_REAL_TIME_CLOCK=y
 
 #

diff --git a/trunk/arch/um/include/common-offsets.h b/trunk/arch/um/include/common-offsets.h
@@ -28,3 +28,5 @@ DEFINE(UM_NR_CPUS, NR_CPUS);
 
 /* For crypto assembler code. */
 DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx));
+
+DEFINE(UM_THREAD_SIZE, THREAD_SIZE);
diff --git a/trunk/arch/um/include/kern_util.h b/trunk/arch/um/include/kern_util.h
@@ -117,4 +117,7 @@ extern void sigio_handler(int sig, union uml_pt_regs *regs);
 
 extern void copy_sc(union uml_pt_regs *regs, void *from);
 
+unsigned long to_irq_stack(int sig, unsigned long *mask_out);
+unsigned long from_irq_stack(int nested);
+
 #endif
diff --git a/trunk/arch/um/include/os.h b/trunk/arch/um/include/os.h
@@ -272,7 +272,6 @@ extern void do_longjmp(void *p, int val);
 
 /* util.c */
 extern void stack_protections(unsigned long address);
-extern void task_protections(unsigned long address);
 extern int raw(int fd);
 extern void setup_machinename(char *machine_out);
 extern void setup_hostinfo(char *buf, int len);

diff --git a/trunk/arch/um/kernel/dyn.lds.S b/trunk/arch/um/kernel/dyn.lds.S
@@ -97,6 +97,8 @@ SECTIONS
   .data           : {
     . = ALIGN(KERNEL_STACK_SIZE);		/* init_task */
     *(.data.init_task)
+    . = ALIGN(KERNEL_STACK_SIZE);
+    *(.data.init_irqstack)
     *(.data .data.* .gnu.linkonce.d.*)
     SORT(CONSTRUCTORS)
   }
Original file line number	Diff line number	Diff line change
Expand Up		@@ -28,3 +28,5 @@ DEFINE(UM_NR_CPUS, NR_CPUS);

		/* For crypto assembler code. */
		DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx));

		DEFINE(UM_THREAD_SIZE, THREAD_SIZE);