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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-06-11 01:58:01 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-06-11 01:58:01 -0700 |
commit | 4894e4aca82aca927d0404ce61f021f790de4b1e (patch) | |
tree | bbe0d083829f5858295298f188d885367cf4b1f6 /arch/x86/include/asm/ptrace.h | |
parent | 05e882f890038c702a4f15d385135d03cf74ad48 (diff) | |
parent | 07a2039b8eb0af4ff464efd3dfd95de5c02648c6 (diff) |
Merge commit 'v2.6.30' into next
Diffstat (limited to 'arch/x86/include/asm/ptrace.h')
-rw-r--r-- | arch/x86/include/asm/ptrace.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h index e304b66abee..624f133943e 100644 --- a/arch/x86/include/asm/ptrace.h +++ b/arch/x86/include/asm/ptrace.h @@ -187,14 +187,15 @@ static inline int v8086_mode(struct pt_regs *regs) /* * X86_32 CPUs don't save ss and esp if the CPU is already in kernel mode - * when it traps. So regs will be the current sp. + * when it traps. The previous stack will be directly underneath the saved + * registers, and 'sp/ss' won't even have been saved. Thus the '®s->sp'. * * This is valid only for kernel mode traps. */ -static inline unsigned long kernel_trap_sp(struct pt_regs *regs) +static inline unsigned long kernel_stack_pointer(struct pt_regs *regs) { #ifdef CONFIG_X86_32 - return (unsigned long)regs; + return (unsigned long)(®s->sp); #else return regs->sp; #endif |