Commit-ID: cc56d673a9902aecd1c03bea6479eaff6de6967a Gitweb: http://git.kernel.org/tip/cc56d673a9902aecd1c03bea6479eaff6de6967a Author: Vince Weaver <vincent.weaver@xxxxxxxxx> AuthorDate: Thu, 19 Jun 2014 14:40:09 -0400 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitDate: Sat, 5 Jul 2014 11:21:51 +0200 powerpc, 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@xxxxxxxxx> Signed-off-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1406191435440.27913@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> Cc: Cody P Schafer <cody@xxxxxxxxxxxxxxxxxx> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Cc: Paul Mackerras <paulus@xxxxxxxxx> Cc: linux-kernel@xxxxxxxxxxxxxxx Cc: linuxppc-dev@xxxxxxxxxxxxxxxx Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> --- arch/powerpc/perf/hv-24x7.c | 6 ++++-- arch/powerpc/perf/hv-gpci.c | 6 ++++-- 2 files changed, 8 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c index e0766b8..66d0f17 100644 --- a/arch/powerpc/perf/hv-24x7.c +++ b/arch/powerpc/perf/hv-24x7.c @@ -387,8 +387,7 @@ static int h_24x7_event_init(struct perf_event *event) event->attr.exclude_hv || event->attr.exclude_idle || event->attr.exclude_host || - event->attr.exclude_guest || - is_sampling_event(event)) /* no sampling */ + event->attr.exclude_guest) return -EINVAL; /* no branch sampling */ @@ -513,6 +512,9 @@ static int hv_24x7_init(void) if (!hv_page_cache) return -ENOMEM; + /* sampling not supported */ + h_24x7_pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT; + r = perf_pmu_register(&h_24x7_pmu, h_24x7_pmu.name, -1); if (r) return r; diff --git a/arch/powerpc/perf/hv-gpci.c b/arch/powerpc/perf/hv-gpci.c index c9d399a..15fc76c 100644 --- a/arch/powerpc/perf/hv-gpci.c +++ b/arch/powerpc/perf/hv-gpci.c @@ -210,8 +210,7 @@ static int h_gpci_event_init(struct perf_event *event) event->attr.exclude_hv || event->attr.exclude_idle || event->attr.exclude_host || - event->attr.exclude_guest || - is_sampling_event(event)) /* no sampling */ + event->attr.exclude_guest) return -EINVAL; /* no branch sampling */ @@ -284,6 +283,9 @@ static int hv_gpci_init(void) return -ENODEV; } + /* sampling not supported */ + h_gpci_pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT; + r = perf_pmu_register(&h_gpci_pmu, h_gpci_pmu.name, -1); if (r) return r; -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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