1 files changed, 2 insertions, 2 deletions

diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index 75b220ba73a3..85a251b6dfa8 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -908,9 +908,9 @@ static void __armv8pmu_probe_pmu(void *info)
         int pmuver;
 
         dfr0 = read_sysreg(id_aa64dfr0_el1);
-        pmuver = cpuid_feature_extract_signed_field(dfr0,
+        pmuver = cpuid_feature_extract_unsigned_field(dfr0,
                         ID_AA64DFR0_PMUVER_SHIFT);
-        if (pmuver < 1)
+        if (pmuver == 0xf || pmuver == 0)
                 return;
 
         probe->present = true;