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(parent: d566995) | 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)
commit6977c0b560f190d0d4786f99d9c120126fe654f2
tree7edc2267478b06e14da0fc59a60928f50667687dtree | snapshot
parentd56699594046d54f32936a1eec337a62c15f931acommit | 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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