diff options
Diffstat (limited to 'arch/arm64/kernel/perf_event.c')
| -rw-r--r-- | arch/arm64/kernel/perf_event.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c index 7b0643fe2f13..a15b3c1d15d9 100644 --- a/arch/arm64/kernel/perf_event.c +++ b/arch/arm64/kernel/perf_event.c @@ -1146,7 +1146,8 @@ static void __armv8pmu_probe_pmu(void *info) dfr0 = read_sysreg(id_aa64dfr0_el1); pmuver = cpuid_feature_extract_unsigned_field(dfr0, ID_AA64DFR0_EL1_PMUVer_SHIFT); - if (pmuver == ID_AA64DFR0_EL1_PMUVer_IMP_DEF || pmuver == 0) + if (pmuver == ID_AA64DFR0_EL1_PMUVer_IMP_DEF || + pmuver == ID_AA64DFR0_EL1_PMUVer_NI) return; cpu_pmu->pmuver = pmuver; |