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-rw-r--r--arch/x86/include/asm/perf_event.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index 58d9e4b1fa0a..b06e4c573add 100644
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -241,6 +241,11 @@ struct x86_pmu_capability {
 #define INTEL_PMC_IDX_FIXED_SLOTS	(INTEL_PMC_IDX_FIXED + 3)
 #define INTEL_PMC_MSK_FIXED_SLOTS	(1ULL << INTEL_PMC_IDX_FIXED_SLOTS)
 
+static inline bool use_fixed_pseudo_encoding(u64 code)
+{
+	return !(code & 0xff);
+}
+
 /*
  * We model BTS tracing as another fixed-mode PMC.
  *