On Tue, Oct 19, 2021 at 06:45:19AM +, Xueming(Steven) Li wrote:
> On Tue, 2021-10-19 at 02:15 -0400, Michael S. Tsirkin wrote:
> > On Fri, Oct 08, 2021 at 03:58:04PM +0800, Xueming Li wrote:
> > > When vhost-user device cleanup and unmmap notifier address, VM cpu
> > > thread that writing the n
On Tue, 2021-10-19 at 02:15 -0400, Michael S. Tsirkin wrote:
> On Fri, Oct 08, 2021 at 03:58:04PM +0800, Xueming Li wrote:
> > When vhost-user device cleanup and unmmap notifier address, VM cpu
> > thread that writing the notifier failed with accessing invalid address.
> >
> > To avoid this concur
On Fri, Oct 08, 2021 at 03:58:04PM +0800, Xueming Li wrote:
> When vhost-user device cleanup and unmmap notifier address, VM cpu
> thread that writing the notifier failed with accessing invalid address.
>
> To avoid this concurrent issue, wait memory flatview update by draining
> rcu callbacks, th
When vhost-user device cleanup and unmmap notifier address, VM cpu
thread that writing the notifier failed with accessing invalid address.
To avoid this concurrent issue, wait memory flatview update by draining
rcu callbacks, then unmap notifiers.
Fixes: 44866521bd6e ("vhost-user: support registe