Re: [Qemu-devel] [PATCH 1/3] net: invoke callback when purging queue

2014-09-04 Thread Stefan Hajnoczi
On Thu, Sep 04, 2014 at 11:39:10AM +0300, Michael S. Tsirkin wrote: > devices rely on packet callbacks eventually running, > but we violate this rule whenever we purge the queue. > To fix, invoke callbacks on all packets on purge. > Set length to 0, this way callers can detect that > this happened

Re: [Qemu-devel] [PATCH 1/3] net: invoke callback when purging queue

2014-09-04 Thread Jason Wang
On 09/04/2014 04:39 PM, Michael S. Tsirkin wrote: > devices rely on packet callbacks eventually running, > but we violate this rule whenever we purge the queue. > To fix, invoke callbacks on all packets on purge. > Set length to 0, this way callers can detect that > this happened and re-queue if ne