xen/events: use locked set|clear_bit() for cpu_evtchn_mask
authorJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Tue, 16 Nov 2010 22:56:47 +0000 (14:56 -0800)
committerJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Tue, 16 Nov 2010 22:58:50 +0000 (14:58 -0800)
The per-cpu event channel masks can be updated unlocked from multiple
CPUs, so use the locked variant.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

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