On 2018/10/18 18:11, Sebastian Andrzej Siewior wrote: > On 2018-10-18 18:06:57 [+0900], Toshiaki Makita wrote: >> NACK. Again, this race should not happen because of NAPI guard. >> We need to investigate why this warning happened. > > I tried to explain this. Please see > 20181018090812.rry5qgnqxxrjxaii@xxxxxxxxxxxxx Anyway, if this really happens, then it means try_fill_recv() can be called concurrently for the same rq, which looks like a far more severe problem to me. If so, we need to fix it instead. -- Toshiaki Makita _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
