[PATCH 08/13] pci-assign: Update legacy interrupts only if used

Jan Kiszka
2011-06-27T18:20:37Z

From: Jan Kiszka <jan.kiszka@siemens.com>

Don't mess with assign_intx on devices that are in MSI or MSI-X mode, it
would corrupt their interrupt routing.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
hw/device-assignment.c | 9 ++++++---
1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/hw/device-assignment.c b/hw/device-assignment.c
index 36c0f5f..a88d4fc 100644
--- a/hw/device-assignment.c
+++ b/hw/device-assignment.c
@@ -1062,9 +1062,12 @@ void assigned_dev_update_irqs(void)
dev = QLIST_FIRST(&devs);
while (dev) {
next = QLIST_NEXT(dev, next);
- r = assign_irq(dev);
- if (r < 0)
- qdev_unplug(&dev->dev.qdev);
+ if (dev->irq_requested_type & KVM_DEV_IRQ_HOST_INTX) {
+ r = assign_irq(dev);
+ if (r < 0) {
+ qdev_unplug(&dev->dev.qdev);
+ }
+ }
dev = next;
}
}
--
1.7.1