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| author | Al Viro <viro@ftp.linux.org.uk> | 2006-01-12 01:05:58 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-12 09:08:56 -0800 |
| commit | 32d39a9355780bc9aadcf76a2d2004bdbe0f4665 (patch) | |
| tree | bd3003a3b13be7d4766e63dbb4c95472bc708125 | |
| parent | 552058239238342dfd2fa8d33a299a162b1a4f05 (diff) | |
| download | linux-3.10-32d39a9355780bc9aadcf76a2d2004bdbe0f4665.tar.gz linux-3.10-32d39a9355780bc9aadcf76a2d2004bdbe0f4665.tar.bz2 linux-3.10-32d39a9355780bc9aadcf76a2d2004bdbe0f4665.zip | |
[PATCH] arm: task_stack_page()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/arm/kernel/process.c | 2 | ||||
| -rw-r--r-- | arch/arm/kernel/smp.c | 4 | ||||
| -rw-r--r-- | arch/arm/kernel/traps.c | 2 | ||||
| -rw-r--r-- | include/asm-arm/processor.h | 2 |
4 files changed, 5 insertions, 5 deletions
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index ac6ed955ca0..4b4e4cf79c8 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -460,7 +460,7 @@ unsigned long get_wchan(struct task_struct *p) return 0; stack_start = (unsigned long)end_of_stack(p); - stack_end = ((unsigned long)p->thread_info) + THREAD_SIZE; + stack_end = (unsigned long)task_stack_page(p) + THREAD_SIZE; fp = thread_saved_fp(p); do { diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 373c0959bc2..7338948bd7d 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -114,7 +114,7 @@ int __cpuinit __cpu_up(unsigned int cpu) * We need to tell the secondary core where to find * its stack and the page tables. */ - secondary_data.stack = (void *)idle->thread_info + THREAD_START_SP; + secondary_data.stack = task_stack_page(idle) + THREAD_START_SP; secondary_data.pgdir = virt_to_phys(pgd); wmb(); @@ -245,7 +245,7 @@ void __cpuexit cpu_die(void) __asm__("mov sp, %0\n" " b secondary_start_kernel" : - : "r" ((void *)current->thread_info + THREAD_SIZE - 8)); + : "r" (task_stack_page(current) + THREAD_SIZE - 8)); } #endif /* CONFIG_HOTPLUG_CPU */ diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index c1a04ec830d..93cfd3ffcc7 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -210,7 +210,7 @@ static void __die(const char *str, int err, struct thread_info *thread, struct p if (!user_mode(regs) || in_interrupt()) { dump_mem("Stack: ", regs->ARM_sp, - THREAD_SIZE + (unsigned long)tsk->thread_info); + THREAD_SIZE + (unsigned long)task_stack_page(tsk)); dump_backtrace(regs, tsk); dump_instr(regs); } diff --git a/include/asm-arm/processor.h b/include/asm-arm/processor.h index fb5877e5a39..31290694648 100644 --- a/include/asm-arm/processor.h +++ b/include/asm-arm/processor.h @@ -86,7 +86,7 @@ unsigned long get_wchan(struct task_struct *p); extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); #define task_pt_regs(p) \ - ((struct pt_regs *)(THREAD_START_SP + (void *)(p)->thread_info) - 1) + ((struct pt_regs *)(THREAD_START_SP + task_stack_page(p)) - 1) #define KSTK_EIP(tsk) task_pt_regs(tsk)->ARM_pc #define KSTK_ESP(tsk) task_pt_regs(tsk)->ARM_sp |