On Mon, Dec 23, 2019 at 12:21:56PM -0800, Alistair Delva wrote:
> On Mon, Dec 23, 2019 at 12:12 PM Willem de Bruijn
> wrote:
> >
> > On Mon, Dec 23, 2019 at 2:56 PM Willem de Bruijn
> > wrote:
> > >
> > > 00fffe0ff0 DR7: 0400
> > > > > Call Trace:
> > > > > ?
On Tue, Dec 24, 2019 at 10:49:13AM +0800, Jason Wang wrote:
>
> On 2019/12/24 上午4:21, Alistair Delva wrote:
> > On Mon, Dec 23, 2019 at 12:12 PM Willem de Bruijn
> > wrote:
> > > On Mon, Dec 23, 2019 at 2:56 PM Willem de Bruijn
> > > wrote:
> > > > 00fffe0ff0 DR7: 0400
> > > > > >
On Mon, Dec 23, 2019 at 3:22 PM Alistair Delva wrote:
>
> On Mon, Dec 23, 2019 at 12:12 PM Willem de Bruijn
> wrote:
> >
> > On Mon, Dec 23, 2019 at 2:56 PM Willem de Bruijn
> > wrote:
> > >
> > > 00fffe0ff0 DR7: 0400
> > > > > Call Trace:
> > > > > ? preempt_count_add+0x58/0xb0
>
On 2019/12/24 上午4:21, Alistair Delva wrote:
On Mon, Dec 23, 2019 at 12:12 PM Willem de Bruijn
wrote:
On Mon, Dec 23, 2019 at 2:56 PM Willem de Bruijn
wrote:
00fffe0ff0 DR7: 0400
Call Trace:
? preempt_count_add+0x58/0xb0
? _raw_spin_lock_irqsave+0x36/0x70
?
On Mon, Dec 23, 2019 at 2:56 PM Willem de Bruijn
wrote:
>
> 00fffe0ff0 DR7: 0400
> > > Call Trace:
> > > ? preempt_count_add+0x58/0xb0
> > > ? _raw_spin_lock_irqsave+0x36/0x70
> > > ? _raw_spin_unlock_irqrestore+0x1a/0x40
> > > ? __wake_up+0x70/0x190
> > >
00fffe0ff0 DR7: 0400
> > Call Trace:
> > ? preempt_count_add+0x58/0xb0
> > ? _raw_spin_lock_irqsave+0x36/0x70
> > ? _raw_spin_unlock_irqrestore+0x1a/0x40
> > ? __wake_up+0x70/0x190
> > virtnet_set_features+0x90/0xf0 [virtio_net]
> > __netdev_update_features+0x271/0x980
> > ?
On Mon, Dec 23, 2019 at 09:40:11AM -0800, Alistair Delva wrote:
> Hi Michael,
>
> On Mon, Dec 23, 2019 at 6:09 AM Michael S. Tsirkin wrote:
> >
> > The only way for guest to control offloads (as enabled by
> > VIRTIO_NET_F_CTRL_GUEST_OFFLOADS) is by sending commands
> > through CTRL_VQ. So it