linux-kernel - [PATCH] x86-64: remove meaningless unwind annotations

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Date:	Thu, 12 Mar 2009 10:34:45 +0000
From:	"Jan Beulich" <jbeulich@...ell.com>
To:	<mingo@...e.hu>, <tglx@...utronix.de>, <hpa@...or.com>
Cc:	<linux-kernel@...r.kernel.org>
Subject: [PATCH] x86-64: remove meaningless unwind annotations

These got left in needlessly when ret_from_fork got simplified.

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

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

--- linux-2.6.29-rc7/arch/x86/kernel/entry_64.S	2009-03-11 17:52:10.000000000 +0100
+++ 2.6.29-rc7-x86_64-unwind-ret_from_fork/arch/x86/kernel/entry_64.S	2009-03-10 16:41:53.000000000 +0100
@@ -418,7 +418,6 @@ ENTRY(ret_from_fork)
 
 	GET_THREAD_INFO(%rcx)
 
-	CFI_REMEMBER_STATE
 	RESTORE_REST
 
 	testl $3, CS-ARGOFFSET(%rsp)		# from kernel_thread?
@@ -430,7 +429,6 @@ ENTRY(ret_from_fork)
 	RESTORE_TOP_OF_STACK %rdi, -ARGOFFSET
 	jmp ret_from_sys_call			# go to the SYSRET fastpath
 
-	CFI_RESTORE_STATE
 	CFI_ENDPROC
 END(ret_from_fork)
 



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