On Tue, 2021-11-02 at 02:47 -0400, Michael S. Tsirkin wrote:
> On Tue, Nov 02, 2021 at 06:00:58AM +, Xueming(Steven) Li wrote:
> > On Mon, 2021-11-01 at 17:00 -0400, Michael S. Tsirkin wrote:
> > > On Mon, Nov 01, 2021 at 04:38:13PM +0800, Xueming Li wrote:
> > > > When vhost-user device cleanu
On Tue, Nov 02, 2021 at 06:00:58AM +, Xueming(Steven) Li wrote:
> On Mon, 2021-11-01 at 17:00 -0400, Michael S. Tsirkin wrote:
> > On Mon, Nov 01, 2021 at 04:38:13PM +0800, Xueming Li wrote:
> > > When vhost-user device cleanup is executed and un-mmaps notifier
> > > address, VM cpu thread writ
On Mon, 2021-11-01 at 17:00 -0400, Michael S. Tsirkin wrote:
> On Mon, Nov 01, 2021 at 04:38:13PM +0800, Xueming Li wrote:
> > When vhost-user device cleanup is executed and un-mmaps notifier
> > address, VM cpu thread writing the notifier fails by accessing invalid
> > address error.
> >
> > To a
On Mon, Nov 01, 2021 at 04:38:13PM +0800, Xueming Li wrote:
> When vhost-user device cleanup is executed and un-mmaps notifier
> address, VM cpu thread writing the notifier fails by accessing invalid
> address error.
>
> To avoid this concurrent issue, call RCU and wait for a memory flatview
> upd
When vhost-user device cleanup is executed and un-mmaps notifier
address, VM cpu thread writing the notifier fails by accessing invalid
address error.
To avoid this concurrent issue, call RCU and wait for a memory flatview
update, then un-mmap notifiers in callback.
Fixes: 44866521bd6e ("vhost-us
