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| author | Anshuman Khandual <anshuman.khandual@arm.com> | 2022-09-07 14:49:23 +0530 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-09-07 21:54:01 +0200 |
| commit | 91207f62616f9f51b52436364e6d064f002e9112 (patch) | |
| tree | e0645862b754f38f1fd61b84d8b9b446c56f5a9a /drivers/perf/arm_spe_pmu.c | |
| parent | f67dd218fafd9de9a13d095e775b621db76a058f (diff) | |
| download | linux-91207f62616f9f51b52436364e6d064f002e9112.tar.bz2 | |
arm64/perf: Assert all platform event flags are within PERF_EVENT_FLAG_ARCH
Ensure all platform specific event flags are within PERF_EVENT_FLAG_ARCH.
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: James Clark <james.clark@arm.com>
Link: https://lkml.kernel.org/r/20220907091924.439193-4-anshuman.khandual@arm.com
Diffstat (limited to 'drivers/perf/arm_spe_pmu.c')
| -rw-r--r-- | drivers/perf/arm_spe_pmu.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c index b65a7d9640e1..db8a0a841062 100644 --- a/drivers/perf/arm_spe_pmu.c +++ b/drivers/perf/arm_spe_pmu.c @@ -44,7 +44,9 @@ * This allows us to perform the check, i.e, perfmon_capable(), * in the context of the event owner, once, during the event_init(). */ -#define SPE_PMU_HW_FLAGS_CX BIT(0) +#define SPE_PMU_HW_FLAGS_CX 0x00001 + +static_assert((PERF_EVENT_FLAG_ARCH & SPE_PMU_HW_FLAGS_CX) == SPE_PMU_HW_FLAGS_CX); static void set_spe_event_has_cx(struct perf_event *event) { |