diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/perf/power8-pmu.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c index 96a64d6a8bdf..09def196f5c4 100644 --- a/arch/powerpc/perf/power8-pmu.c +++ b/arch/powerpc/perf/power8-pmu.c @@ -621,10 +621,19 @@ static struct power_pmu power8_pmu = { static int __init init_power8_pmu(void) { + int rc; + if (!cur_cpu_spec->oprofile_cpu_type || strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power8")) return -ENODEV; - return register_power_pmu(&power8_pmu); + rc = register_power_pmu(&power8_pmu); + if (rc) + return rc; + + /* Tell userspace that EBB is supported */ + cur_cpu_spec->cpu_user_features2 |= PPC_FEATURE2_EBB; + + return 0; } early_initcall(init_power8_pmu); |