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

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

Commit-ID:  27be87c5d53117f048d590d6fc6febb21176c3e9
Gitweb:     http://git.kernel.org/tip/27be87c5d53117f048d590d6fc6febb21176c3e9
Author:     Denys Vlasenko <dvlasenk@redhat.com>
AuthorDate: Fri, 27 Mar 2015 11:36:19 +0100
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Fri, 27 Mar 2015 12:27:57 +0100

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

This is a missing bit of the recent MOV-to-PUSH conversion.

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: 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: Will Drewry <wad@chromium.org>
Link: http://lkml.kernel.org/r/1427452582-21624-1-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 f85d2cc..dbfc8875 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -248,6 +248,7 @@ GLOBAL(system_call_after_swapgs)
 	pushq_cfi_reg	r10			/* pt_regs->r10 */
 	pushq_cfi_reg	r11			/* pt_regs->r11 */
 	sub	$(6*8),%rsp /* pt_regs->bp,bx,r12-15 not saved */
+	CFI_ADJUST_CFA_OFFSET 6*8
 
 	testl $_TIF_WORK_SYSCALL_ENTRY, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS)
 	jnz tracesys