Commit 2cc9e588 authored Jun 15, 2014 by Vince Weaver Committed by Ingo Molnar Jun 18, 2014

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>

parent cf230918

arch/arc/kernel/perf_event.c

+3 −4

Original line number	Diff line number	Diff line
		@@ -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;