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authorAl Viro <viro@ftp.linux.org.uk>2006-01-12 01:05:38 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-12 09:08:51 -0800
commitbb049232fa8fe08c90b182f378eed5017da5235c (patch)
treeb8a71968d4acedf35081986584c6f24c21c68b65 /include/asm-x86_64
parente4f17c436f8e4241995c2531372be8dd7ea6ff75 (diff)
[PATCH] amd64: task_pt_regs()
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 'include/asm-x86_64')
-rw-r--r--include/asm-x86_64/compat.h2
-rw-r--r--include/asm-x86_64/processor.h4
2 files changed, 3 insertions, 3 deletions
diff --git a/include/asm-x86_64/compat.h b/include/asm-x86_64/compat.h
index 3863a7da372..b37ab8218ef 100644
--- a/include/asm-x86_64/compat.h
+++ b/include/asm-x86_64/compat.h
@@ -198,7 +198,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
static __inline__ void __user *compat_alloc_user_space(long len)
{
- struct pt_regs *regs = (void *)current->thread.rsp0 - sizeof(struct pt_regs);
+ struct pt_regs *regs = task_pt_regs(current);
return (void __user *)regs->rsp - len;
}
diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h
index 394dd729752..87a282b1043 100644
--- a/include/asm-x86_64/processor.h
+++ b/include/asm-x86_64/processor.h
@@ -321,8 +321,8 @@ extern long kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
#define thread_saved_pc(t) (*(unsigned long *)((t)->thread.rsp - 8))
extern unsigned long get_wchan(struct task_struct *p);
-#define KSTK_EIP(tsk) \
- (((struct pt_regs *)(tsk->thread.rsp0 - sizeof(struct pt_regs)))->rip)
+#define task_pt_regs(tsk) ((struct pt_regs *)(tsk)->thread.rsp0 - 1)
+#define KSTK_EIP(tsk) (task_pt_regs(tsk)->rip)
#define KSTK_ESP(tsk) -1 /* sorry. doesn't work for syscall. */