Re: [RFC][PATCH 09/11] perf: Default PMU ops

[Peter Zijlstra]

On Tue, 2010-06-29 at 20:07 +0200, Frederic Weisbecker wrote:
> On Tue, Jun 29, 2010 at 06:34:10PM +0200, Peter Zijlstra wrote:
> > On Tue, 2010-06-29 at 17:03 +0200, Frederic Weisbecker wrote:
> > > > You mean, if (!pmu->start_txn && pmu->pmu_enable) { /* install defaults
> > > > */ } ?

> neglected pmu implementations shouldn't impact software pmus.

With the above and not providing ->pmu_enable you get that.


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