From: Marcelo Tosatti <marcelo@kvack.org>
Date: Wed, 12 Dec 2007 15:46:12 +0000 (-0500)
Subject: KVM: MMU: emulated cmpxchg8b should be atomic on i386
X-Git-Tag: v2.6.25-rc1~1138^2~37
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2bacc55c7c3c61e356aef06b9a319b4cee90b519;p=pandora-kernel.git

KVM: MMU: emulated cmpxchg8b should be atomic on i386

Emulate cmpxchg8b atomically on i386. This is required to avoid a guest
pte walker from seeing a splitted write.

[avi: make it compile]

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
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