Messages in this thread | | | Subject | Re: [PATCH v3 3/8] xen/events: avoid handling the same event on two cpus at the same time | From | Julien Grall <> | Date | Sat, 20 Feb 2021 12:12:14 +0000 |
| |
Hi Juergen,
On 19/02/2021 15:40, Juergen Gross wrote: > When changing the cpu affinity of an event it can happen today that > (with some unlucky timing) the same event will be handled on the old > and the new cpu at the same time. > > Avoid that by adding an "event active" flag to the per-event data and > call the handler only if this flag isn't set. > > Cc: stable@vger.kernel.org > Reported-by: Julien Grall <julien@xen.org> > Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Julien Grall <jgrall@amazon.com>
Cheers,
-- Julien Grall
| |