[PATCH v3 3/8] perf: Add a flags parameter to pmu txn interfaces

[Peter Zijlstra]

On Tue, Jul 14, 2015 at 08:01:50PM -0700, Sukadev Bhattiprolu wrote:
> @@ -1604,6 +1613,12 @@ static void power_pmu_start_txn(struct pmu *pmu)
>  static void power_pmu_cancel_txn(struct pmu *pmu)
>  {
>  	struct cpu_hw_events *cpuhw = this_cpu_ptr(&cpu_hw_events);
> +	int txn_flags;
> +
> +	txn_flags = cpuhw->txn_flags;
> +	cpuhw->txn_flags = 0;
> +	if (cpuhw->txn_flags & ~PERF_PMU_TXN_ADD)
> +		return;

That seems, unintentional? ;-)