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arm64/perf: Assert all platform event flags are within PERF_EVENT_FLAG_ARCH

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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
This commit is contained in:
Anshuman Khandual
2022-09-07 14:49:23 +05:30
committed by Peter Zijlstra
parent f67dd218fa
commit 91207f6261
2 changed files with 8 additions and 5 deletions
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9
include/linux/perf/arm_pmu.h
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@@ -24,10 +24,11 @@
/*
* ARM PMU hw_event flags
*/
/* Event uses a 64bit counter */
#define ARMPMU_EVT_64BIT 1
/* Event uses a 47bit counter */
#define ARMPMU_EVT_47BIT 2
#define ARMPMU_EVT_64BIT 0x00001 /* Event uses a 64bit counter */
#define ARMPMU_EVT_47BIT 0x00002 /* Event uses a 47bit counter */
static_assert((PERF_EVENT_FLAG_ARCH & ARMPMU_EVT_64BIT) == ARMPMU_EVT_64BIT);
static_assert((PERF_EVENT_FLAG_ARCH & ARMPMU_EVT_47BIT) == ARMPMU_EVT_47BIT);
#define HW_OP_UNSUPPORTED 0xFFFF
#define C(_x) PERF_COUNT_HW_CACHE_##_x