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| author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2018-07-10 10:57:58 +0200 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2018-07-10 19:19:02 +0200 |
| commit | 8d3e994241e6bcc7ead2b918c4f15b7683afa90a (patch) | |
| tree | fb2ec1748c8748c7f38b0e077daa1c3649de31c3 /arch/arm64/kernel/perf_event.c | |
| parent | arm: perf: prevent unbind/bind via sysfs (diff) | |
| download | linux-8d3e994241e6bcc7ead2b918c4f15b7683afa90a.tar.xz linux-8d3e994241e6bcc7ead2b918c4f15b7683afa90a.zip | |
arm_pmu: Clean up maximum period handling
Each PMU defines their max_period of the counter as the maximum
value that can be counted. Since all the PMU backends support
32bit counters by default, let us remove the redundant field.
No functional changes.
Cc: Will Deacon <will.deacon@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Julien Thierry <julien.thierry@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/kernel/perf_event.c')
| -rw-r--r-- | arch/arm64/kernel/perf_event.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c index 33147aacdafd..678ecffd3724 100644 --- a/arch/arm64/kernel/perf_event.c +++ b/arch/arm64/kernel/perf_event.c @@ -960,7 +960,6 @@ static int armv8_pmu_init(struct arm_pmu *cpu_pmu) cpu_pmu->start = armv8pmu_start, cpu_pmu->stop = armv8pmu_stop, cpu_pmu->reset = armv8pmu_reset, - cpu_pmu->max_period = (1LLU << 32) - 1, cpu_pmu->set_event_filter = armv8pmu_set_event_filter; return 0; |