diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2022-05-10 21:28:25 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-09-07 21:54:02 +0200 |
| commit | 28f0f3c44b5c35be657a4f922dcdfb48285f4373 (patch) | |
| tree | 0be9accbe824b6ff579eb094cff959a09c90ebd8 /arch/x86/events/intel | |
| parent | e577bb17a1eaa35b86ee873a786e603be768d668 (diff) | |
| download | linux-28f0f3c44b5c35be657a4f922dcdfb48285f4373.tar.gz | |
perf/x86: Change x86_pmu::limit_period signature
In preparation for making it a static_call, change the signature.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20220829101321.573713839@infradead.org
Diffstat (limited to 'arch/x86/events/intel')
| -rw-r--r-- | arch/x86/events/intel/core.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index feed732fdf57..92cc390590d1 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -4344,28 +4344,25 @@ static u8 adl_get_hybrid_cpu_type(void) * Therefore the effective (average) period matches the requested period, * despite coarser hardware granularity. */ -static u64 bdw_limit_period(struct perf_event *event, u64 left) +static void bdw_limit_period(struct perf_event *event, s64 *left) { if ((event->hw.config & INTEL_ARCH_EVENT_MASK) == X86_CONFIG(.event=0xc0, .umask=0x01)) { - if (left < 128) - left = 128; - left &= ~0x3fULL; + if (*left < 128) + *left = 128; + *left &= ~0x3fULL; } - return left; } -static u64 nhm_limit_period(struct perf_event *event, u64 left) +static void nhm_limit_period(struct perf_event *event, s64 *left) { - return max(left, 32ULL); + *left = max(*left, 32LL); } -static u64 spr_limit_period(struct perf_event *event, u64 left) +static void spr_limit_period(struct perf_event *event, s64 *left) { if (event->attr.precise_ip == 3) - return max(left, 128ULL); - - return left; + *left = max(*left, 128LL); } PMU_FORMAT_ATTR(event, "config:0-7" ); |