From: Gleb Natapov <gleb@redhat.com>
Date: Thu, 14 Oct 2010 09:22:52 +0000 (+0200)
Subject: KVM: Handle async PF in a guest.
X-Git-Tag: v2.6.38-rc1~244^2~134
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=631bc4878220932fe67fc46fc7cf7cccdb1ec597;p=pandora-kernel.git

KVM: Handle async PF in a guest.

When async PF capability is detected hook up special page fault handler
that will handle async page fault events and bypass other page faults to
regular page fault handler. Also add async PF handling to nested SVM
emulation. Async PF always generates exit to L1 where vcpu thread will
be scheduled out until page is available.

Acked-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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