From: Glauber Costa <gcosta@redhat.com>
Date: Tue, 24 Jun 2008 19:51:59 +0000 (-0300)
Subject: x86: change testing logic in putuser_64.S.
X-Git-Tag: v2.6.27-rc1~1106^2~46^2~24
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=663aa96df32af9c4141ef3179282f95c7537643a;p=pandora-kernel.git

x86: change testing logic in putuser_64.S.

Instead of operating over a register we need to put back
into normal state afterwards (the memory position), just
sub from rbx, which is trashed anyway. We can save a few instructions.

Also, this is the i386 way.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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