Messages in this thread | | | Date | Thu, 01 Nov 2012 17:09:03 +0800 | From | Shan Wei <> | Subject | Re: [PATCH 7/9] rcu: use this_cpu_ptr per-cpu helper instead of per_cpu_ptr(p, raw_smp_processor_id()) |
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Paul E. McKenney said, at 2012/11/1 4:08: > > One thing to keep in mind -- the only purpose of this is to diffuse > memory contention. So there is no need to disable preemption.
same question to me. Christoph, maybe __this_cpu_read is a better choice which don't disable preemption.
> > Thanx, Paul > >
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