Re: [RFC] perf_events: support for uncore a.k.a. nest units

[Peter Zijlstra]

On Wed, 2010-04-21 at 22:38 +0000, Lin Ming wrote:
> 
> I add this ->stop_txn(pmu) because the rollback code also need to clear
> the state. 

Ah, yes, because strictly speaking ->enable() could still fail for
another reason. OK.

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