linux-kernel - [PATCH] Fix trivial unwind info bug

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Message-ID: <874px31tz4.fsf@pike.pond.sub.org>
Date:	Thu, 27 Jul 2006 07:45:35 +0200
From:	Markus Armbruster <armbru@...hat.com>
To:	linux-kernel@...r.kernel.org
Subject: [PATCH] Fix trivial unwind info bug

CFA needs to be adjusted upwards for push, and downwards for pop.
arch/i386/kernel/entry.S gets it wrong in one place.

Signed-off-by: Markus Armbruster <armbru@...hat.com>


diff --git a/arch/i386/kernel/entry.S b/arch/i386/kernel/entry.S
index d9a260f..37a7d2e 100644
--- a/arch/i386/kernel/entry.S
+++ b/arch/i386/kernel/entry.S
@@ -204,7 +204,7 @@ #define RING0_PTREGS_FRAME \
 ENTRY(ret_from_fork)
        CFI_STARTPROC
        pushl %eax
-       CFI_ADJUST_CFA_OFFSET -4
+       CFI_ADJUST_CFA_OFFSET 4
        call schedule_tail
        GET_THREAD_INFO(%ebp)
        popl %eax
-
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