From: Michael S. Tsirkin <mst@redhat.com>
Date: Wed, 13 Jan 2010 17:12:30 +0000 (+0200)
Subject: KVM: fix spurious interrupt with irqfd
X-Git-Tag: v2.6.33-rc6~24^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b6a114d27273c37cd0107b0f49af208168498f05;p=pandora-kernel.git

KVM: fix spurious interrupt with irqfd

kvm didn't clear irqfd counter on deassign, as a result we could get a
spurious interrupt when irqfd is assigned back. this leads to poor
performance and, in theory, guest crash.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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