From: Andrea Arcangeli <andrea@qumranet.com>
Date: Fri, 25 Jul 2008 14:26:39 +0000 (+0200)
Subject: KVM: Allow reading aliases with mmu_lock
X-Git-Tag: v2.6.27-rc2~84^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a1708ce8a362c4999f1201237ae7b77c4d13af82;p=pandora-kernel.git

KVM: Allow reading aliases with mmu_lock

This allows the mmu notifier code to run unalias_gfn with only the
mmu_lock held.  Only alias writes need the mmu_lock held. Readers will
either take the slots_lock in read mode or the mmu_lock.

Signed-off-by: Andrea Arcangeli <andrea@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
---

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