Re: [PATCH] virtio_net: Unregister and re-register xdp_rxq across freeze/restore

2020-06-08 Thread Sean Christopherson
On Sun, Jun 07, 2020 at 09:23:03AM -0400, Michael S. Tsirkin wrote: > On Fri, Jun 05, 2020 at 02:46:24PM -0700, Sean Christopherson wrote: > > @@ -1480,17 +1495,10 @@ static int virtnet_open(struct net_device *dev) > > if (!try_fill_recv(vi, &vi

[PATCH] virtio_net: Unregister and re-register xdp_rxq across freeze/restore

2020-06-05 Thread Sean Christopherson
0x23e/0x260 ___sys_sendmsg+0x88/0xd0 __sys_sendmsg+0x63/0xa0 do_syscall_64+0x4c/0x170 entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ cut here ] Cc: Jesper Dangaard Brouer Fixes: 754b8a21a96d5 ("virtio_net: setup xdp_rxq_info") Signed-off-by: Sean Christopherso

Re: [RFC PATCH V3 1/5] vhost: generalize adding used elem

2019-01-04 Thread Sean Christopherson
On Fri, Jan 04, 2019 at 04:29:34PM -0500, Michael S. Tsirkin wrote: > On Sat, Dec 29, 2018 at 08:46:52PM +0800, Jason Wang wrote: > > Use one generic vhost_copy_to_user() instead of two dedicated > > accessor. This will simplify the conversion to fine grain > > accessors. About 2% improvement of PP