From: Scott Wood <scottwood@freescale.com>
Date: Wed, 22 Aug 2012 15:03:50 +0000 (+0000)
Subject: KVM: PPC: set IN_GUEST_MODE before checking requests
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~27^2~56^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5bd1cf118533aba41b3fbd4834e6362a9237db71;p=pandora-kernel.git

KVM: PPC: set IN_GUEST_MODE before checking requests

Avoid a race as described in the code comment.

Also remove a related smp_wmb() from booke's kvmppc_prepare_to_enter().
I can't see any reason for it, and the book3s_pr version doesn't have it.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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