Re: [PATCH v3 10/11] perf/x86/intel: Perform rotation on Intel CQM RMIDs

[Matt Fleming]

On Fri, 07 Nov, at 01:18:03PM, Peter Zijlstra wrote:
> On Thu, Nov 06, 2014 at 12:23:21PM +0000, Matt Fleming wrote:
> > +	/*
> > +	 * Test whether an RMID is free for each package.
> > +	 */
> > +	preempt_disable();
> > +	smp_call_function_many(&cqm_cpumask, intel_cqm_stable, NULL, true);
> > +	preempt_enable();
> 
> Same problem again, the current cpu is not included.
> 
> Ah, just found we have on_each_cpu_mask(), which is what you want.

Aha, yes, that looks useful. Thanks!

-- 
Matt Fleming, Intel Open Source Technology Center
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