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arc, perf: Use common PMU interrupt disabled code 

Transition to using the new generic PERF_PMU_CAP_NO_INTERRUPT method for
failing a sampling event when no PMU interrupt is available.

Signed-off-by: Vince Weaver <vincent.weaver@maine.edu>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Rob Herring <robh+dt@kernel.org>
Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1406150159280.16738@vincent-weaver-1.umelst.maine.edu
Signed-off-by: Ingo Molnar <mingo@kernel.org>
hifive-unleashed-5.1
Vince Weaver 2014-06-15 02:00:18 -04:00 committed by Ingo Molnar
parent cf230918cd
commit 2cc9e588b0
1 changed files with 3 additions and 4 deletions
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7
arch/arc/kernel/perf_event.c
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@ -99,10 +99,6 @@ static int arc_pmu_event_init(struct perf_event *event)
struct hw_perf_event *hwc = &event->hw;
int ret;
/* ARC 700 PMU does not support sampling events */
if (is_sampling_event(event))
return -ENOENT;
switch (event->attr.type) {
case PERF_TYPE_HARDWARE:
if (event->attr.config >= PERF_COUNT_HW_MAX)
@ -298,6 +294,9 @@ static int arc_pmu_device_probe(struct platform_device *pdev)
.read = arc_pmu_read,
};
/* ARC 700 PMU does not support sampling events */
arc_pmu->pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT;
ret = perf_pmu_register(&arc_pmu->pmu, pdev->name, PERF_TYPE_RAW);
return ret;