diff options
Diffstat (limited to 'arch/x86/events/core.c')
| -rw-r--r-- | arch/x86/events/core.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index 9e63ee50b19a..ea2a3d151294 100644 --- a/arch/x86/events/core.c +++ b/arch/x86/events/core.c @@ -2166,11 +2166,6 @@ static int x86_pmu_event_init(struct perf_event *event) return err; } -static void refresh_pce(void *ignored) -{ - load_mm_cr4_irqsoff(this_cpu_read(cpu_tlbstate.loaded_mm)); -} - static void x86_pmu_event_mapped(struct perf_event *event, struct mm_struct *mm) { if (!(event->hw.flags & PERF_X86_EVENT_RDPMC_ALLOWED)) @@ -2189,7 +2184,7 @@ static void x86_pmu_event_mapped(struct perf_event *event, struct mm_struct *mm) lockdep_assert_held_write(&mm->mmap_sem); if (atomic_inc_return(&mm->context.perf_rdpmc_allowed) == 1) - on_each_cpu_mask(mm_cpumask(mm), refresh_pce, NULL, 1); + on_each_cpu_mask(mm_cpumask(mm), cr4_update_pce, NULL, 1); } static void x86_pmu_event_unmapped(struct perf_event *event, struct mm_struct *mm) @@ -2199,7 +2194,7 @@ static void x86_pmu_event_unmapped(struct perf_event *event, struct mm_struct *m return; if (atomic_dec_and_test(&mm->context.perf_rdpmc_allowed)) - on_each_cpu_mask(mm_cpumask(mm), refresh_pce, NULL, 1); + on_each_cpu_mask(mm_cpumask(mm), cr4_update_pce, NULL, 1); } static int x86_pmu_event_idx(struct perf_event *event) @@ -2257,7 +2252,7 @@ static ssize_t set_attr_rdpmc(struct device *cdev, else if (x86_pmu.attr_rdpmc == 2) static_branch_dec(&rdpmc_always_available_key); - on_each_cpu(refresh_pce, NULL, 1); + on_each_cpu(cr4_update_pce, NULL, 1); x86_pmu.attr_rdpmc = val; } |