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authorAl Viro <viro@ftp.linux.org.uk>2006-01-12 01:05:39 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-12 09:08:51 -0800
commit57eafdc22c8e788859b67c2c7ac4d636716603a5 (patch)
treea85b01c191084bfc0809d8704e58c2602fa5fddd /arch
parentbb049232fa8fe08c90b182f378eed5017da5235c (diff)
[PATCH] amd64: 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>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86_64/kernel/process.c6
-rw-r--r--arch/x86_64/kernel/smpboot.c2
2 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c
index 68df519c83e..8ded407e4a9 100644
--- a/arch/x86_64/kernel/process.c
+++ b/arch/x86_64/kernel/process.c
@@ -451,7 +451,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long rsp,
struct task_struct *me = current;
childregs = ((struct pt_regs *)
- (THREAD_SIZE + (unsigned long) p->thread_info)) - 1;
+ (THREAD_SIZE + task_stack_page(p))) - 1;
*childregs = *regs;
childregs->rax = 0;
@@ -590,7 +590,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
write_pda(oldrsp, next->userrsp);
write_pda(pcurrent, next_p);
write_pda(kernelstack,
- (unsigned long)next_p->thread_info + THREAD_SIZE - PDA_STACKOFFSET);
+ task_stack_page(next_p) + THREAD_SIZE - PDA_STACKOFFSET);
/*
* Now maybe reload the debug registers
@@ -704,7 +704,7 @@ unsigned long get_wchan(struct task_struct *p)
if (!p || p == current || p->state==TASK_RUNNING)
return 0;
- stack = (unsigned long)p->thread_info;
+ stack = (unsigned long)task_stack_page(p);
if (p->thread.rsp < stack || p->thread.rsp > stack+THREAD_SIZE)
return 0;
fp = *(u64 *)(p->thread.rsp);
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index d16a2fae270..a28756ef7ce 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -776,7 +776,7 @@ static int __cpuinit do_boot_cpu(int cpu, int apicid)
if (c_idle.idle) {
c_idle.idle->thread.rsp = (unsigned long) (((struct pt_regs *)
- (THREAD_SIZE + (unsigned long) c_idle.idle->thread_info)) - 1);
+ (THREAD_SIZE + task_stack_page(c_idle.idle))) - 1);
init_idle(c_idle.idle, cpu);
goto do_rest;
}