diff options
| author | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2010-11-16 14:56:47 -0800 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2010-11-16 14:58:50 -0800 |
| commit | e04195644eea7c6c14007922257704ec67156cd1 (patch) | |
| tree | 12b3881504bb8ccc8c3eb34b6364b3fffc9b8db2 /drivers | |
| parent | 1c6969ec8e6328e8d288fc585310e9e52fc9db04 (diff) | |
| download | linux-e04195644eea7c6c14007922257704ec67156cd1.tar.bz2 | |
xen/events: use locked set|clear_bit() for cpu_evtchn_mask
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/xen/events.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c index d770b8c8885b..d6d4f76ed500 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -278,8 +278,8 @@ static void bind_evtchn_to_cpu(unsigned int chn, unsigned int cpu) cpumask_copy(irq_to_desc(irq)->affinity, cpumask_of(cpu)); #endif - __clear_bit(chn, cpu_evtchn_mask(cpu_from_irq(irq))); - __set_bit(chn, cpu_evtchn_mask(cpu)); + clear_bit(chn, cpu_evtchn_mask(cpu_from_irq(irq))); + set_bit(chn, cpu_evtchn_mask(cpu)); irq_info[irq].cpu = cpu; } |