From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: [PATCH v5-light 1/6] KVM: Clear assigned guest IRQ on release Date: Tue, 16 Nov 2010 22:30:02 +0100 Message-ID: References: Cc: kvm , Alex Williamson , "Michael S. Tsirkin" , Jan Kiszka To: Avi Kivity , Marcelo Tosatti Return-path: Received: from fmmailgate02.web.de ([217.72.192.227]:42534 "EHLO fmmailgate02.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758423Ab0KPVak (ORCPT ); Tue, 16 Nov 2010 16:30:40 -0500 In-Reply-To: In-Reply-To: References: Sender: kvm-owner@vger.kernel.org List-ID: From: Jan Kiszka When we deassign a guest IRQ, clear the potentially asserted guest line. There might be no chance for the guest to do this, specifically if we switch from INTx to MSI mode. Signed-off-by: Jan Kiszka --- virt/kvm/assigned-dev.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c index 7c98928..ecc4419 100644 --- a/virt/kvm/assigned-dev.c +++ b/virt/kvm/assigned-dev.c @@ -141,6 +141,9 @@ static void deassign_guest_irq(struct kvm *kvm, kvm_unregister_irq_ack_notifier(kvm, &assigned_dev->ack_notifier); assigned_dev->ack_notifier.gsi = -1; + kvm_set_irq(assigned_dev->kvm, assigned_dev->irq_source_id, + assigned_dev->guest_irq, 0); + if (assigned_dev->irq_source_id != -1) kvm_free_irq_source_id(kvm, assigned_dev->irq_source_id); assigned_dev->irq_source_id = -1; -- 1.7.1