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| author | Vince Weaver <vincent.weaver@maine.edu> | 2014-06-15 02:00:18 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-06-18 18:43:44 +0200 |
| commit | 2cc9e588b0ff80c209c59a3e369c73e591535ba8 (patch) | |
| tree | cacda48f32688071d4eed0e791befe7d0ab6fce9 /arch/arc | |
| parent | cf230918cda19532e4a5cc4f0d5c82fa7e5e94f6 (diff) | |
| download | blackbird-op-linux-2cc9e588b0ff80c209c59a3e369c73e591535ba8.tar.gz blackbird-op-linux-2cc9e588b0ff80c209c59a3e369c73e591535ba8.zip | |
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>
Diffstat (limited to 'arch/arc')
| -rw-r--r-- | arch/arc/kernel/perf_event.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c index 63177e4cb66d..b9a5685a990e 100644 --- a/arch/arc/kernel/perf_event.c +++ b/arch/arc/kernel/perf_event.c @@ -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; |
