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authorAl Viro <viro@ftp.linux.org.uk>2006-01-12 01:05:58 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-12 09:08:56 -0800
commit32d39a9355780bc9aadcf76a2d2004bdbe0f4665 (patch)
treebd3003a3b13be7d4766e63dbb4c95472bc708125
parent552058239238342dfd2fa8d33a299a162b1a4f05 (diff)
[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.c2
-rw-r--r--arch/arm/kernel/smp.c4
-rw-r--r--arch/arm/kernel/traps.c2
-rw-r--r--include/asm-arm/processor.h2
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