linux-kernel - [PATCH] i386/xen: add proper unwind annotations to xen_sysenter

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Message-Id: <4880A977.76E4.0078.0@novell.com>
Date:	Fri, 18 Jul 2008 13:32:23 +0100
From:	"Jan Beulich" <jbeulich@...ell.com>
To:	<mingo@...e.hu>, <tglx@...utronix.de>, <hpa@...or.com>
Cc:	"Jeremy Fitzhardinge" <jeremy@...p.org>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH] i386/xen: add proper unwind annotations to
	xen_sysenter_target

Signed-off-by: Jan Beulich <jbeulich@...ell.com>
Cc: Jeremy Fitzhardinge <jeremy@...p.org>

---
 arch/x86/kernel/entry_32.S |    2 ++
 1 file changed, 2 insertions(+)

--- linux-2.6.26/arch/x86/kernel/entry_32.S	2008-07-13 23:51:29.000000000 +0200
+++ 2.6.26-i386-xen-entry-annot/arch/x86/kernel/entry_32.S	2008-07-15 14:51:28.000000000 +0200
@@ -1023,7 +1023,9 @@ ENDPROC(kernel_thread_helper)
 ENTRY(xen_sysenter_target)
 	RING0_INT_FRAME
 	addl $5*4, %esp		/* remove xen-provided frame */
+	CFI_ADJUST_CFA_OFFSET -5*4
 	jmp sysenter_past_esp
+	CFI_ENDPROC
 
 ENTRY(xen_hypervisor_callback)
 	CFI_STARTPROC



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