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-rw-r--r--arch/x86/kernel/cpu/perf_event_intel_ds.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c
index 0e9bdd3cb01e..b05a575d56f4 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_ds.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c
@@ -732,8 +732,10 @@ void intel_ds_init(void)
732 732
733void perf_restore_debug_store(void) 733void perf_restore_debug_store(void)
734{ 734{
735 struct debug_store *ds = __this_cpu_read(cpu_hw_events.ds);
736
735 if (!x86_pmu.bts && !x86_pmu.pebs) 737 if (!x86_pmu.bts && !x86_pmu.pebs)
736 return; 738 return;
737 739
738 init_debug_store_on_cpu(smp_processor_id()); 740 wrmsrl(MSR_IA32_DS_AREA, (unsigned long)ds);
739} 741}