From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Sun, 11 Sep 2011 08:16:20 +0000 (+0200)
Subject: KVM: Avoid needless registrations of IRQ ack notifier for assigned devices
X-Git-Tag: v3.2-rc1~119^2~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c61fa9d63b40b06522c5f1d940b084323a090688;p=pandora-kernel.git

KVM: Avoid needless registrations of IRQ ack notifier for assigned devices

We only perform work in kvm_assigned_dev_ack_irq if the guest IRQ is of
INTx type. This completely avoids the callback invocation in non-INTx
cases by registering the IRQ ack notifier only for INTx.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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