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| author | Anshuman Khandual <anshuman.khandual@arm.com> | 2022-12-02 07:26:11 +0530 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2022-12-02 10:15:03 +0000 |
| commit | 4361251cef466839795691e2628285e3f5093a98 (patch) | |
| tree | 6f4adcdad5fcf04cd3c5bb57b489e9623345af77 /drivers/perf | |
| parent | 17d573984d4d5ad73c7cb5edcf2024c585475b0c (diff) | |
| download | linux-stable-4361251cef466839795691e2628285e3f5093a98.tar.gz linux-stable-4361251cef466839795691e2628285e3f5093a98.tar.bz2 linux-stable-4361251cef466839795691e2628285e3f5093a98.zip | |
arm_pmu: Drop redundant armpmu->map_event() in armpmu_event_init()
__hw_perf_event_init() already calls armpmu->map_event() callback, and also
returns its error code including -ENOENT, along with a debug callout. Hence
an additional armpmu->map_event() check for -ENOENT is redundant.
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/20221202015611.338499-1-anshuman.khandual@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/perf')
| -rw-r--r-- | drivers/perf/arm_pmu.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index 3f07df5a7e95..ed89748b1612 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -514,9 +514,6 @@ static int armpmu_event_init(struct perf_event *event) if (has_branch_stack(event)) return -EOPNOTSUPP; - if (armpmu->map_event(event) == -ENOENT) - return -ENOENT; - return __hw_perf_event_init(event); } |