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

[Matt Fleming]

On Wed, 08 Oct, at 09:02:16PM, Thomas Gleixner wrote:
> On Wed, 8 Oct 2014, Peter Zijlstra wrote:
> > On Wed, Sep 24, 2014 at 03:04:15PM +0100, Matt Fleming wrote:
> > > +	preempt_disable();
> 
> < SNIP loooong code >
> 
> > > +	preempt_enable();
> > 
> > Why is all that under preempt_disable()?
> 
> To make life harder for people who care about latencies and
> deterministic behaviour perhaps?

Yeah that looks... wrong.

I'll fix that.

-- 
Matt Fleming, Intel Open Source Technology Center
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