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(parent: fbadd4d) | patch
xen/evtchn: use READ/WRITE_ONCE() for accessing ring indices
authorJuergen Gross <jgross@suse.com>
Fri, 19 Feb 2021 15:40:30 +0000 (16:40 +0100)
committerBoris Ostrovsky <boris.ostrovsky@oracle.com>
Tue, 23 Feb 2021 16:07:52 +0000 (10:07 -0600)
commit0f9a94ae3b5db41858eeef3c9d65bc52f1c83e2d
tree7edc2267478b06e14da0fc59a60928f50667687dtree | snapshot
parentfbadd4dc77f833414a4e162e528216fb332285a4commit | diff
xen/evtchn: use READ/WRITE_ONCE() for accessing ring indices

For avoiding read- and write-tearing by the compiler use READ_ONCE()
and WRITE_ONCE() for accessing the ring indices in evtchn.c.

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20210219154030.10892-9-jgross@suse.com
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
drivers/xen/evtchn.c diff | blob | history
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