3561ba14188b3c1e54246ed6db97896bbc082d2f
When vhost device stops, its implementation synchronizes kernel state back to virtio.c so we can continue emulating the device in userspace. This patch ensures that virtio.c's signalled_used_valid flag is reset so that userspace does not suppress guest notifications due to stale signalled_used values. Cc: qemu-stable@nongnu.org Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Read the documentation in qemu-doc.html or on http://wiki.qemu.org - QEMU team
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