Commit-ID: d046ff8b30319d9aa38d877a0ba4206771e54346 Gitweb: http://git.kernel.org/tip/d046ff8b30319d9aa38d877a0ba4206771e54346 Author: H. J. Lu <hjl.tools@xxxxxxxxx> AuthorDate: Tue, 14 Feb 2012 13:49:48 -0800 Committer: H. Peter Anvin <hpa@xxxxxxxxx> CommitDate: Mon, 20 Feb 2012 12:48:48 -0800 x86-64: Add prototype for old_rsp to a header file So far this has only been used in process_64.c, but the x32 code will need it in additional code. Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxx> --- arch/x86/include/asm/processor.h | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 9f748b5..e34f951 100644 --- a/arch/x86/include/asm/processor.h +++ b/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, -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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