Author: kp
Date: Thu Feb 20 17:26:08 2020
New Revision: 358178
URL: https://svnweb.freebsd.org/changeset/base/358178
Log:
virtio: Pass the interrupt type in mmio mode
When we register an interrupt handler we need to pass the intr_type along in
bus_setup_intr().
The interrupt type matters because it is used to decide if we need to enter
NET_EPOCH. That meant that vtmmio-based if_vtnet did not, which led to panics
with INVARIANTS set.
Sponsored by: Axiado
Modified:
head/sys/dev/virtio/mmio/virtio_mmio.c
Modified: head/sys/dev/virtio/mmio/virtio_mmio.c
==============================================================================
--- head/sys/dev/virtio/mmio/virtio_mmio.c Thu Feb 20 17:20:50 2020
(r358177)
+++ head/sys/dev/virtio/mmio/virtio_mmio.c Thu Feb 20 17:26:08 2020
(r358178)
@@ -196,7 +196,7 @@ vtmmio_setup_intr(device_t dev, enum intr_type type)
return (ENXIO);
}
- if (bus_setup_intr(dev, sc->res[1], INTR_TYPE_MISC | INTR_MPSAFE,
+ if (bus_setup_intr(dev, sc->res[1], type | INTR_MPSAFE,
NULL, vtmmio_vq_intr, sc, &sc->ih)) {
device_printf(dev, "Can't setup the interrupt\n");
return (ENXIO);
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