On 6/6/23 2:39 PM, Oleg Nesterov wrote:
> On 06/06, Mike Christie wrote:
>>
>> On 6/6/23 7:16 AM, Oleg Nesterov wrote:
>>> On 06/05, Mike Christie wrote:
>>>
So it works like if we were using a kthread still:
1. Userapce thread0 opens /dev/vhost-$something.
2. thread0 does
On 06/06, Mike Christie wrote:
>
> On 6/6/23 7:16 AM, Oleg Nesterov wrote:
> > On 06/05, Mike Christie wrote:
> >
> >> So it works like if we were using a kthread still:
> >>
> >> 1. Userapce thread0 opens /dev/vhost-$something.
> >> 2. thread0 does VHOST_SET_OWNER ioctl. This calls
On 6/6/23 2:22 PM, Michael S. Tsirkin wrote:
> On Tue, Jun 06, 2023 at 12:19:10PM -0500, Mike Christie wrote:
>> On 6/6/23 4:49 AM, Stefano Garzarella wrote:
>>> On Mon, Jun 05, 2023 at 01:57:30PM -0500, Mike Christie wrote:
If userspace does VHOST_VSOCK_SET_GUEST_CID before VHOST_SET_OWNER
On Tue, Jun 6, 2023 at 2:19 PM Angus Chen wrote:
>
> Hi,Jason.
>
> > -Original Message-
> > From: Jason Wang
> > Sent: Monday, June 5, 2023 2:54 PM
> > To: Angus Chen
> > Cc: m...@redhat.com; virtualization@lists.linux-foundation.org;
> > linux-ker...@vger.kernel.org
> > Subject: Re:
On 6/6/23 7:16 AM, Oleg Nesterov wrote:
> On 06/05, Mike Christie wrote:
>>
>> On 6/5/23 10:10 AM, Oleg Nesterov wrote:
>>> On 06/03, michael.chris...@oracle.com wrote:
On 6/2/23 11:15 PM, Eric W. Biederman wrote:
The problem is that as part of the flush the drivers/vhost/scsi.c
On Tue, Jun 06, 2023 at 12:19:10PM -0500, Mike Christie wrote:
> On 6/6/23 4:49 AM, Stefano Garzarella wrote:
> > On Mon, Jun 05, 2023 at 01:57:30PM -0500, Mike Christie wrote:
> >> If userspace does VHOST_VSOCK_SET_GUEST_CID before VHOST_SET_OWNER we
> >> can race where:
> >> 1. thread0 calls
On 6/6/23 4:49 AM, Stefano Garzarella wrote:
> On Mon, Jun 05, 2023 at 01:57:30PM -0500, Mike Christie wrote:
>> If userspace does VHOST_VSOCK_SET_GUEST_CID before VHOST_SET_OWNER we
>> can race where:
>> 1. thread0 calls vhost_transport_send_pkt -> vhost_work_queue
>> 2. thread1 does
On Mon, Jun 05, 2023 at 12:59:25PM -0700, Brett Creeley wrote:
> Commit 699b045a8e43 ("net: virtio_net: notifications coalescing
> support") added coalescing command support for virtio_net. However,
> the coalesce commands are using buffers on the stack, which is causing
> the device to see DMA
On Mon, Jun 05, 2023 at 01:57:30PM -0500, Mike Christie wrote:
If userspace does VHOST_VSOCK_SET_GUEST_CID before VHOST_SET_OWNER we
can race where:
1. thread0 calls vhost_transport_send_pkt -> vhost_work_queue
2. thread1 does VHOST_SET_OWNER which calls vhost_worker_create.
3.
On Mon, Jun 05, 2023 at 05:44:50PM -0400, Michael S. Tsirkin wrote:
On Mon, Jun 05, 2023 at 04:56:37PM +0200, Stefano Garzarella wrote:
On Mon, Jun 05, 2023 at 09:54:57AM -0400, Michael S. Tsirkin wrote:
> On Mon, Jun 05, 2023 at 03:30:35PM +0200, Stefano Garzarella wrote:
> > On Mon, Jun 05,
On Tue, Jun 06, 2023 at 09:29:22AM +0800, Jason Wang wrote:
On Mon, Jun 5, 2023 at 10:58 PM Stefano Garzarella wrote:
On Mon, Jun 05, 2023 at 09:54:57AM -0400, Michael S. Tsirkin wrote:
>On Mon, Jun 05, 2023 at 03:30:35PM +0200, Stefano Garzarella wrote:
>> On Mon, Jun 05, 2023 at 09:00:25AM
On 06/05, Mike Christie wrote:
>
> On 6/5/23 10:10 AM, Oleg Nesterov wrote:
> > On 06/03, michael.chris...@oracle.com wrote:
> >>
> >> On 6/2/23 11:15 PM, Eric W. Biederman wrote:
> >> The problem is that as part of the flush the drivers/vhost/scsi.c code
> >> will wait for outstanding commands,
On Tue, Jun 06, 2023 at 09:29:22AM +0800, Jason Wang wrote:
> On Mon, Jun 5, 2023 at 10:58 PM Stefano Garzarella
> wrote:
> >
> > On Mon, Jun 05, 2023 at 09:54:57AM -0400, Michael S. Tsirkin wrote:
> > >On Mon, Jun 05, 2023 at 03:30:35PM +0200, Stefano Garzarella wrote:
> > >> On Mon, Jun 05,
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