diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/kernel/perf_event_mipsxx.c | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c index b5d6b3fa5a41..b22cc5fd596d 100644 --- a/arch/mips/kernel/perf_event_mipsxx.c +++ b/arch/mips/kernel/perf_event_mipsxx.c @@ -707,18 +707,6 @@ static const struct mips_perf_event *mipspmu_map_cache_event(u64 config) } -static int validate_event(struct cpu_hw_events *cpuc, - struct perf_event *event) -{ - struct hw_perf_event fake_hwc = event->hw; - - /* Allow mixed event group. So return 1 to pass validation. */ - if (event->pmu != &pmu || event->state <= PERF_EVENT_STATE_OFF) - return 1; - - return mipsxx_pmu_alloc_counter(cpuc, &fake_hwc) >= 0; -} - static int validate_group(struct perf_event *event) { struct perf_event *sibling, *leader = event->group_leader; @@ -726,15 +714,15 @@ static int validate_group(struct perf_event *event) memset(&fake_cpuc, 0, sizeof(fake_cpuc)); - if (!validate_event(&fake_cpuc, leader)) + if (mipsxx_pmu_alloc_counter(&fake_cpuc, &leader->hw) < 0) return -ENOSPC; list_for_each_entry(sibling, &leader->sibling_list, group_entry) { - if (!validate_event(&fake_cpuc, sibling)) + if (mipsxx_pmu_alloc_counter(&fake_cpuc, &sibling->hw) < 0) return -ENOSPC; } - if (!validate_event(&fake_cpuc, event)) + if (mipsxx_pmu_alloc_counter(&fake_cpuc, &event->hw) < 0) return -ENOSPC; return 0; |