diff options
Diffstat (limited to 'arch/s390/kernel/perf_cpum_cf.c')
| -rw-r--r-- | arch/s390/kernel/perf_cpum_cf.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c index e1c54d28713a..48d48b6187c0 100644 --- a/arch/s390/kernel/perf_cpum_cf.c +++ b/arch/s390/kernel/perf_cpum_cf.c @@ -2,8 +2,8 @@ /* * Performance event support for s390x - CPU-measurement Counter Facility * - * Copyright IBM Corp. 2012, 2017 - * Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com> + * Copyright IBM Corp. 2012, 2019 + * Author(s): Hendrik Brueckner <brueckner@linux.ibm.com> */ #define KMSG_COMPONENT "cpum_cf" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt @@ -26,7 +26,7 @@ static enum cpumf_ctr_set get_counter_set(u64 event) set = CPUMF_CTR_SET_USER; else if (event < 128) set = CPUMF_CTR_SET_CRYPTO; - else if (event < 256) + else if (event < 288) set = CPUMF_CTR_SET_EXT; else if (event >= 448 && event < 496) set = CPUMF_CTR_SET_MT_DIAG; @@ -50,12 +50,19 @@ static int validate_ctr_version(const struct hw_perf_event *hwc) err = -EOPNOTSUPP; break; case CPUMF_CTR_SET_CRYPTO: + if ((cpuhw->info.csvn >= 1 && cpuhw->info.csvn <= 5 && + hwc->config > 79) || + (cpuhw->info.csvn >= 6 && hwc->config > 83)) + err = -EOPNOTSUPP; + break; case CPUMF_CTR_SET_EXT: if (cpuhw->info.csvn < 1) err = -EOPNOTSUPP; if ((cpuhw->info.csvn == 1 && hwc->config > 159) || (cpuhw->info.csvn == 2 && hwc->config > 175) || - (cpuhw->info.csvn > 2 && hwc->config > 255)) + (cpuhw->info.csvn >= 3 && cpuhw->info.csvn <= 5 + && hwc->config > 255) || + (cpuhw->info.csvn >= 6 && hwc->config > 287)) err = -EOPNOTSUPP; break; case CPUMF_CTR_SET_MT_DIAG: |