From: Radim Krčmář <rkrcmar@redhat.com>
Date: Wed, 1 Jul 2015 13:31:49 +0000 (+0200)
Subject: KVM: x86: make vapics_in_nmi_mode atomic
X-Git-Tag: v3.2.71~44
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1fba7ba2fd5f40a09c39a2b8c39a199abc497790;p=pandora-kernel.git

KVM: x86: make vapics_in_nmi_mode atomic

commit 42720138b06301cc8a7ee8a495a6d021c4b6a9bc upstream.

Writes were a bit racy, but hard to turn into a bug at the same time.
(Particularly because modern Linux doesn't use this feature anymore.)

Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
[Actually the next patch makes it much, much easier to trigger the race
 so I'm including this one for stable@ as well. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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