On 08/14/13 13:37, Michael S. Tsirkin wrote:
On Wed, Aug 14, 2013 at 09:02:32AM +0200, Bart Van Assche wrote:
If the TIF_NEED_RESCHED task flag is set, wake up any vhost_work_flush()
waiters before rescheduling instead of after rescheduling.
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
Cc: Michael S. Tsirkin <mst@xxxxxxxxxx>
Cc: Asias He <asias@xxxxxxxxxx>
Why exactly? It's not like flush needs to be extra fast ...
I'm not worried about how fast a flush is processed either. But I think
this patch is a nice cleanup of the vhost_worker() function. It
eliminates the uninitialized_var() construct and moves the assignment of
"done_seq" below the read of "queue_seq".
Bart.
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