On 05/11/15 17:27, Mark Rutland wrote:
Can we not get rid of the mask entirely? The combination of used_mask
and each event's hwc->state tells us which counters are actually in use.
The problem is that neither hwc->state nor the cci_pmu->hw_events->events is
protected by pmu_lock, while enable/
> >>+static void pmu_disable_counters_ctrl(struct cci_pmu *cci_pmu, unsigned
> >>long *mask)
> >>+{
> >>+ int i;
> >>+
> >>+ for (i = 0; i < cci_pmu->num_cntrs; i++) {
> >>+ clear_bit(i, mask);
> >>+ if (pmu_get_counter_ctrl(cci_pmu, i)) {
> >>+ set_bit(i,
On 05/11/15 10:14, Suzuki K. Poulose wrote:
On 04/11/15 18:28, Mark Rutland wrote:
On Tue, Oct 20, 2015 at 02:05:25PM +0100, Suzuki K. Poulose wrote:
Adds helper routines to manipulate the counter controls for
all the counters on the CCI PMU.
+static void pmu_disable_counters_ctrl(struct cci
On 04/11/15 18:28, Mark Rutland wrote:
On Tue, Oct 20, 2015 at 02:05:25PM +0100, Suzuki K. Poulose wrote:
Adds helper routines to manipulate the counter controls for
all the counters on the CCI PMU.
pmu_disable_counters_ctrl: Iterates over the counters,
checking the status of each counter and d
On Tue, Oct 20, 2015 at 02:05:25PM +0100, Suzuki K. Poulose wrote:
> Adds helper routines to manipulate the counter controls for
> all the counters on the CCI PMU.
>
> pmu_disable_counters_ctrl: Iterates over the counters,
> checking the status of each counter and disabling any enabled
> counters.
Adds helper routines to manipulate the counter controls for
all the counters on the CCI PMU.
pmu_disable_counters_ctrl: Iterates over the counters,
checking the status of each counter and disabling any enabled
counters. For each such changed counter, the mask is updated so that
one can restore the
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