Messages in this thread |  | | Date | Wed, 8 Oct 2014 21:02:16 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [PATCH 11/11] perf/x86/intel: Perform rotation on Intel CQM RMIDs |
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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?
Thanks,
tglx
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