From: Jeremy Fitzhardinge <jeremy@goop.org>
Date: Sat, 31 Jan 2009 07:17:23 +0000 (-0800)
Subject: x86/paravirt: don't restore second return reg
X-Git-Tag: v2.6.30-rc1~2^2~50^2~46^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e584f559c7b8711cccdf319400acd6294b2c074e;p=pandora-kernel.git

x86/paravirt: don't restore second return reg

Impact: bugfix

In the 32-bit calling convention, %eax:%edx is used to return 64-bit
values.  Don't save and restore %edx around wrapped functions, or they
can't return a full 64-bit result.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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