From: Jan Beulich <JBeulich@novell.com>
Date: Thu, 2 Sep 2010 13:01:58 +0000 (+0100)
Subject: i386: Make kernel_execve() suitable for stack unwinding
X-Git-Tag: v2.6.37-rc1~211^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7fe977dab356fbd7e86aa10bf83891761107c57c;p=pandora-kernel.git

i386: Make kernel_execve() suitable for stack unwinding

The explicit saving and restoring of %ebx was confusing stack
unwind data consumers, and it is plain unnecessary to do this
within the asm(), since that was only introduced for PIC user
mode consumers of the original _syscall3() macro this was
derived from.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Arnd Bergmann <arnd@arndb.de>
LKML-Reference: <4C7FBC660200007800013F95@vpn.id2.novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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