From 37530f1f9b6be5665d504765bcd9974592a16ee2 Mon Sep 17 00:00:00 2001 From: "H. J. Lu" Date: Tue, 14 Feb 2012 13:49:48 -0800 Subject: [PATCH] --- yaml --- r: 297717 b: refs/heads/master c: d046ff8b30319d9aa38d877a0ba4206771e54346 h: refs/heads/master i: 297715: 7a115a69797389d4dfbec17aea168a1c944bc5fa v: v3 --- [refs] | 2 +- trunk/arch/x86/include/asm/processor.h | 6 ++++++ 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/[refs] b/[refs] index f7491260a805..d30107a409e4 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 0953f65d5db728df0fdc3d510a71fd811a3be758 +refs/heads/master: d046ff8b30319d9aa38d877a0ba4206771e54346 diff --git a/trunk/arch/x86/include/asm/processor.h b/trunk/arch/x86/include/asm/processor.h index 9f748b5fb701..e34f95129f16 100644 --- a/trunk/arch/x86/include/asm/processor.h +++ b/trunk/arch/x86/include/asm/processor.h @@ -948,6 +948,12 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk); #define task_pt_regs(tsk) ((struct pt_regs *)(tsk)->thread.sp0 - 1) extern unsigned long KSTK_ESP(struct task_struct *task); + +/* + * User space RSP while inside the SYSCALL fast path + */ +DECLARE_PER_CPU(unsigned long, old_rsp); + #endif /* CONFIG_X86_64 */ extern void start_thread(struct pt_regs *regs, unsigned long new_ip,