diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-11-16 22:27:58 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-11-16 22:27:58 -0500 |
| commit | d05f06e60df4f56a70fb8a3e46335b40687169e9 (patch) | |
| tree | c1eec6749fed86a21b08606e1e4acefe4b033253 /arch/s390/kernel/perf_cpum_cf.c | |
| parent | 0af1c5300db31f25a412e6e83d42b1747d56c9de (diff) | |
| parent | 1d72d9f83df057e71c7951def41138a0230bf737 (diff) | |
Merge branch 'arch-frv' into no-rebases
Diffstat (limited to 'arch/s390/kernel/perf_cpum_cf.c')
| -rw-r--r-- | arch/s390/kernel/perf_cpum_cf.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c index 9871b1971ed7..c4e7269d4a09 100644 --- a/arch/s390/kernel/perf_cpum_cf.c +++ b/arch/s390/kernel/perf_cpum_cf.c @@ -94,7 +94,7 @@ static int get_counter_set(u64 event) set = CPUMF_CTR_SET_USER; else if (event < 128) set = CPUMF_CTR_SET_CRYPTO; - else if (event < 160) + else if (event < 256) set = CPUMF_CTR_SET_EXT; return set; @@ -138,6 +138,10 @@ static int validate_ctr_version(const struct hw_perf_event *hwc) 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)) + err = -EOPNOTSUPP; break; } |