From kvm Wed Mar 04 07:54:27 2009 From: Sheng Yang Date: Wed, 04 Mar 2009 07:54:27 +0000 To: kvm Subject: [PATCH 1/3] kvm: fix irq 0 assignment Message-Id: <1236153269-8825-2-git-send-email-sheng () linux ! intel ! com> X-MARC-Message: https://marc.info/?l=kvm&m=123615329809787 Shouldn't update assigned irq if host irq is 0, which means uninitialized or don't support INTx. Signed-off-by: Sheng Yang --- qemu/hw/device-assignment.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/qemu/hw/device-assignment.c b/qemu/hw/device-assignment.c index 32fba2a..7f9c789 100644 --- a/qemu/hw/device-assignment.c +++ b/qemu/hw/device-assignment.c @@ -574,6 +574,10 @@ static int assign_irq(AssignedDevInfo *adev) AssignedDevice *dev = adev->assigned_dev; int irq, r = 0; + /* irq 0 means uninitialized */ + if (dev->real_device.irq == 0) + return 0; + irq = pci_map_irq(&dev->dev, dev->intpin); irq = piix_get_irq(irq); -- 1.5.4.5 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html