linux-kernel - [PATCH] x86-64: add two missing unwind annotations

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Message-Id: <49099E60.76E4.0078.0@novell.com>
Date:	Thu, 30 Oct 2008 10:45:36 +0000
From:	"Jan Beulich" <jbeulich@...ell.com>
To:	<mingo@...e.hu>, <tglx@...utronix.de>, <hpa@...or.com>
Cc:	"Andi Kleen" <andi@...stfloor.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86-64: add two missing unwind annotations

Signed-off-by: Jan Beulich <jbeulich@...ell.com>

---
 arch/x86/kernel/entry_64.S |    2 ++
 1 file changed, 2 insertions(+)

--- linux-2.6.28-rc2/arch/x86/kernel/entry_64.S	2008-10-30 11:28:00.000000000 +0100
+++ 2.6.28-rc2-x86_64-unwind-annotations/arch/x86/kernel/entry_64.S	2008-10-30 00:00:00.000000000 +0100
@@ -255,6 +255,7 @@ ENTRY(ret_from_fork)
 	call schedule_tail
 	GET_THREAD_INFO(%rcx)
 	testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT),TI_flags(%rcx)
+	CFI_REMEMBER_STATE
 	jnz rff_trace
 rff_action:	
 	RESTORE_REST
@@ -264,6 +265,7 @@ rff_action:	
 	jnz  int_ret_from_sys_call
 	RESTORE_TOP_OF_STACK %rdi,ARGOFFSET
 	jmp ret_from_sys_call
+	CFI_RESTORE_STATE
 rff_trace:
 	movq %rsp,%rdi
 	call syscall_trace_leave



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