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From: Frederic Weisbecker on 29 Jun 2010 14:30
On Tue, Jun 29, 2010 at 08:19:03PM +0200, Peter Zijlstra wrote:
> On Tue, 2010-06-29 at 20:11 +0200, Frederic Weisbecker wrote:
> > On Tue, Jun 29, 2010 at 08:09:10PM +0200, Peter Zijlstra wrote:
> > > 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.
> >
> >
> > But we don't need to provide a pmu_enable for software events, right?
>
> My point exactly.


Which I understand late. Agreed.

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