Jason Wang <[email protected]> writes: > Commit 55257d72bd1c51f25106350f4983ec19f62ed1fa (virtio-net: fill only rx > queues > which are being used) tries to refill on demand when changing the number of > channels by call try_refill_recv() directly, this may race: > > - the refill work who may do the refill in the same time > - the try_refill_recv() called in bh since napi was not disabled > > Which may led guest complain during setting channels: > > virtio_net virtio0: input.1:id 0 is not a head! > > Solve this issue by scheduling a refill work which can guarantee the > serialization of refill. > > Cc: Sasha Levin <[email protected]> > Cc: Rusty Russell <[email protected]> > Cc: Michael S. Tsirkin <[email protected]> > Signed-off-by: Jason Wang <[email protected]>
Thanks. Applied, Rusty. _______________________________________________ Virtualization mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/virtualization
