diff options
| author | Takashi Iwai <tiwai@suse.de> | 2025-12-01 16:25:31 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2025-12-01 16:25:31 +0100 |
| commit | 72987d2ddc7e4d883d23be87eb858a003b81e2e0 (patch) | |
| tree | 9d7120886e71d3ec864f8967e3f25c7bcae6bcd9 /arch/loongarch/kernel/perf_event.c | |
| parent | b72a6ddf6af225957d4b36f858d2a67b2e31fab6 (diff) | |
| parent | 324f3e03e8a85931ce0880654e3c3eb38b0f0bba (diff) | |
Merge branch 'for-linus' into for-next
Pull remaining 6.18-devel changes.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'arch/loongarch/kernel/perf_event.c')
| -rw-r--r-- | arch/loongarch/kernel/perf_event.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/loongarch/kernel/perf_event.c b/arch/loongarch/kernel/perf_event.c index 8ad098703488..9d257c8519c9 100644 --- a/arch/loongarch/kernel/perf_event.c +++ b/arch/loongarch/kernel/perf_event.c @@ -845,13 +845,14 @@ static const struct loongarch_perf_event *loongarch_pmu_map_raw_event(u64 config static int __init init_hw_perf_events(void) { - int counters; + int bits, counters; if (!cpu_has_pmp) return -ENODEV; pr_info("Performance counters: "); - counters = ((read_cpucfg(LOONGARCH_CPUCFG6) & CPUCFG6_PMNUM) >> 4) + 1; + bits = ((read_cpucfg(LOONGARCH_CPUCFG6) & CPUCFG6_PMBITS) >> CPUCFG6_PMBITS_SHIFT) + 1; + counters = ((read_cpucfg(LOONGARCH_CPUCFG6) & CPUCFG6_PMNUM) >> CPUCFG6_PMNUM_SHIFT) + 1; loongarch_pmu.num_counters = counters; loongarch_pmu.max_period = (1ULL << 63) - 1; @@ -867,7 +868,7 @@ static int __init init_hw_perf_events(void) on_each_cpu(reset_counters, NULL, 1); pr_cont("%s PMU enabled, %d %d-bit counters available to each CPU.\n", - loongarch_pmu.name, counters, 64); + loongarch_pmu.name, counters, bits); perf_pmu_register(&pmu, "cpu", PERF_TYPE_RAW); |