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

Signed-off-by: Denys Vlasenko <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Will Drewry <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>

diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 4ca03c518ab48551c857cd0c72ac65222823402b..3197f41ce320db2e5eb6fc907738e80bd9ea74de 100644 (file)
--- 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