From: Anthony Liguori <aliguori@us.ibm.com>
Date: Thu, 3 Jul 2008 16:02:36 +0000 (+0300)
Subject: x86: KVM guest: Add memory clobber to hypercalls
X-Git-Tag: v2.6.26~57^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ca3739327b89bb4053a62ac41b67b106c1967ab0;p=pandora-kernel.git

x86: KVM guest: Add memory clobber to hypercalls

Hypercalls can modify arbitrary regions of memory.  Make sure to indicate this
in the clobber list.  This fixes a hang when using KVM_GUEST kernel built with
GCC 4.3.0.

This was originally spotted and analyzed by Marcelo.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
---

Reading git-diff-tree failed