RE: [Xen-devel] [PATCH6/6] cpuidle: redefine cpumask_lock as rwlock_t

["Wei, Gang" <gang.wei@xxxxxxxxx>]

On Thursday, 2010-6-17 4:30 PM, Jan Beulich wrote:
>>>> On 17.06.10 at 09:38, "Wei, Gang" <gang.wei@xxxxxxxxx> wrote:
>> cpuidle: redefine cpumask_lock as rwlock_t
>> 
>> Multiple cpus clear hpet channel cpumask simultaneously is ok. So we
>> can change the cpumask_lock to rwlock_t.
> 
> Now this I think really needs a comment in the code: You use a read
> lock on the writer side and a write lock on the reader side - quite
> the opposite of normal behavior.

Good suggestion, I will add it.

Jimmy
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