[tip:x86/asm] x86/asm/entry/64: Add forgotten CFI annotation

[tip-bot for Denys Vlasenko <tipbot@zytor.com>]

Commit-ID:  8b3607b5b8c591d8bf045911cb7c90ecaa6e7b73
Gitweb:     http://git.kernel.org/tip/8b3607b5b8c591d8bf045911cb7c90ecaa6e7b73
Author:     Denys Vlasenko <dvlasenk@redhat.com>
AuthorDate: Tue, 7 Apr 2015 18:42:47 +0200
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Wed, 8 Apr 2015 09:18:36 +0200

x86/asm/entry/64: Add forgotten CFI annotation

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Drewry <wad@chromium.org>
Link: http://lkml.kernel.org/r/1428424967-14460-1-git-send-email-dvlasenk@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 arch/x86/kernel/entry_64.S | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 4ca03c5..3197f41 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -506,6 +506,7 @@ return_from_execve:
 1:
 	/* must use IRET code path (pt_regs->cs may have changed) */
 	addq	$8, %rsp
+	CFI_ADJUST_CFA_OFFSET -8
 	ZERO_EXTRA_REGS
 	movq	%rax,RAX(%rsp)
 	jmp	int_ret_from_sys_call