Re: [Qemu-devel] [RFC v2 8/8] virtio: guest driver reload for vhost-net

2018-09-21 Thread Michael S. Tsirkin
On Fri, Sep 21, 2018 at 09:30:26AM +0200, Maxime Coquelin wrote: > > > On 09/21/2018 04:33 AM, Jason Wang wrote: > > > > > > On 2018年09月21日 04:39, Maxime Coquelin wrote: > > > Hi Wei, Jason, > > > > > > On 06/19/2018 09:53 AM, Wei Xu wrote: > > > > On Wed, Jun 06, 2018 at 11:48:19AM +0800, Jas

Re: [Qemu-devel] [RFC v2 8/8] virtio: guest driver reload for vhost-net

2018-09-21 Thread Maxime Coquelin
On 09/21/2018 04:33 AM, Jason Wang wrote: On 2018年09月21日 04:39, Maxime Coquelin wrote: Hi Wei, Jason, On 06/19/2018 09:53 AM, Wei Xu wrote: On Wed, Jun 06, 2018 at 11:48:19AM +0800, Jason Wang wrote: On 2018å¹´06月06æ—¥ 03:08, w...@redhat.com wrote: From: Wei Xu last_avail, avail_w

Re: [Qemu-devel] [RFC v2 8/8] virtio: guest driver reload for vhost-net

2018-09-20 Thread Jason Wang
On 2018年09月21日 04:39, Maxime Coquelin wrote: Hi Wei, Jason, On 06/19/2018 09:53 AM, Wei Xu wrote: On Wed, Jun 06, 2018 at 11:48:19AM +0800, Jason Wang wrote: On 2018å¹´06月06æ—¥ 03:08, w...@redhat.com wrote: From: Wei Xu last_avail, avail_wrap_count, used_idx and used_wrap_count are n

Re: [Qemu-devel] [RFC v2 8/8] virtio: guest driver reload for vhost-net

2018-09-20 Thread Maxime Coquelin
Hi Wei, Jason, On 06/19/2018 09:53 AM, Wei Xu wrote: On Wed, Jun 06, 2018 at 11:48:19AM +0800, Jason Wang wrote: On 2018年06月06日 03:08, w...@redhat.com wrote: From: Wei Xu last_avail, avail_wrap_count, used_idx and used_wrap_count are needed to support vhost-net backend, all these are eithe

Re: [Qemu-devel] [RFC v2 8/8] virtio: guest driver reload for vhost-net

2018-06-19 Thread Wei Xu
On Wed, Jun 06, 2018 at 11:48:19AM +0800, Jason Wang wrote: > > > On 2018年06月06日 03:08, w...@redhat.com wrote: > >From: Wei Xu > > > >last_avail, avail_wrap_count, used_idx and used_wrap_count are > >needed to support vhost-net backend, all these are either 16 or > >bool variables, since state.n

Re: [Qemu-devel] [RFC v2 8/8] virtio: guest driver reload for vhost-net

2018-06-05 Thread Jason Wang
On 2018年06月06日 03:08, w...@redhat.com wrote: From: Wei Xu last_avail, avail_wrap_count, used_idx and used_wrap_count are needed to support vhost-net backend, all these are either 16 or bool variables, since state.num is 64bit wide, so here it is possible to put them to the 'num' without intr

[Qemu-devel] [RFC v2 8/8] virtio: guest driver reload for vhost-net

2018-06-05 Thread wexu
From: Wei Xu last_avail, avail_wrap_count, used_idx and used_wrap_count are needed to support vhost-net backend, all these are either 16 or bool variables, since state.num is 64bit wide, so here it is possible to put them to the 'num' without introducing a new case while handling ioctl. Unload/R