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(parent: 6785ef1) | patch
xen/evtchn: use smp barriers for user event ring
authorJuergen Gross <jgross@suse.com>
Fri, 19 Feb 2021 15:40:29 +0000 (16:40 +0100)
committerBoris Ostrovsky <boris.ostrovsky@oracle.com>
Tue, 23 Feb 2021 16:07:43 +0000 (10:07 -0600)
commitfbadd4dc77f833414a4e162e528216fb332285a4
tree6e9f33c0b10c24116a31dfeab1e1ee9b64de1bfctree | snapshot
parent6785ef1a4fc59eb03e27f2328a5a1c0e5b1de119commit | diff
xen/evtchn: use smp barriers for user event ring

The ring buffer for user events is local to the given kernel instance,
so smp barriers are fine for ensuring consistency.

Reported-by: Andrew Cooper <andrew.cooper3@citrix.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Link: https://lore.kernel.org/r/20210219154030.10892-8-jgross@suse.com
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
drivers/xen/evtchn.c diff | blob | history
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