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(parent: c8fb217) | patch
vhost: zerocopy: poll vq in zerocopy callback
authorJason Wang <jasowang@redhat.com>
Wed, 2 May 2012 03:42:54 +0000 (11:42 +0800)
committerMichael S. Tsirkin <mst@redhat.com>
Wed, 2 May 2012 15:22:25 +0000 (18:22 +0300)
commitc70aa540c7a9f67add11ad3161096fb95233aa2e
treec02be13561a4a9347efd42cb6379950e5e277025tree | snapshot
parentc8fb217af57c6c232af3517d3115d2af4ce9900ecommit | diff
vhost: zerocopy: poll vq in zerocopy callback

We add used and signal guest in worker thread but did not poll the virtqueue
during the zero copy callback. This may lead the missing of adding and
signalling during zerocopy. Solve this by polling the virtqueue and let it
wakeup the worker during callback.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
drivers/vhost/vhost.c diff | blob | history
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