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(parent: 8897d6d) | patch
vhost_vdpa: don't setup irq offloading when irq_num < 0
authorZhu Lingshan <lingshan.zhu@intel.com>
Tue, 22 Feb 2022 11:54:25 +0000 (19:54 +0800)
committerMichael S. Tsirkin <mst@redhat.com>
Mon, 28 Mar 2022 20:52:57 +0000 (16:52 -0400)
commitcce0ab2b2a39072d81f98017f7b076f3410ef740
tree7ca2660a6c29d97778e65b248a66679cd5b2bf21tree | snapshot
parent8897d6d0fcc9ce54f53c0d14de2ada35e9527e8bcommit | diff
vhost_vdpa: don't setup irq offloading when irq_num < 0

When irq number is negative(e.g., -EINVAL), the virtqueue
may be disabled or the virtqueues are sharing a device irq.
In such case, we should not setup irq offloading for a virtqueue.

Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Link: https://lore.kernel.org/r/20220222115428.998334-3-lingshan.zhu@intel.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
drivers/vhost/vdpa.c diff | blob | history
Domain: System / Kernel;