Messages in this thread | | | Subject | Re: [PATCH] xen/events: reset active flag for lateeoi events later | From | Boris Ostrovsky <> | Date | Wed, 23 Jun 2021 19:18:36 -0400 |
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On 6/23/21 9:09 AM, Juergen Gross wrote: > In order to avoid a race condition for user events when changing > cpu affinity reset the active flag only when EOI-ing the event. > > This is working fine as all user events are lateeoi events. Note that > lateeoi_ack_mask_dynirq() is not modified as there is no explicit call > to xen_irq_lateeoi() expected later. > > Reported-by: Julien Grall <julien@xen.org> > Fixes: b6622798bc50b62 ("xen/events: avoid handling the same event on two cpus at the same time") > Tested-by: Julien Grall <julien@xen.org> > Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrvsky@oracle.com>
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