From: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Date: Fri, 10 Feb 2012 06:28:31 +0000 (+0900)
Subject: KVM: mmu_notifier: Flush TLBs before releasing mmu_lock
X-Git-Tag: v3.2.19~116
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=51155201f92e585d40d8921893a508e8b99b2d0e;p=pandora-kernel.git

KVM: mmu_notifier: Flush TLBs before releasing mmu_lock

(cherry picked from commit 565f3be2174611f364405bbea2d86e153c2e7e78

Other threads may process the same page in that small window and skip
TLB flush and then return before these functions do flush.

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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