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| author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2012-11-16 11:41:51 +0200 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2012-11-16 11:41:51 +0200 |
| commit | 3c3dd225819112e56554162c6b37e61a31924e0c (patch) | |
| tree | 5bcd3a63010af2cd5bb946b5af21ef27f1dcfe3c /arch/s390/kernel/perf_cpum_cf.c | |
| parent | a915d4ca24b814daee9cddbc42cd41f59fe4fa8f (diff) | |
| parent | 3d70f8c617a436c7146ecb81df2265b4626dfe89 (diff) | |
Merge tag 'v3.7-rc4'
Merge Linux 3.7-rc4 to get fixes for CMA.
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 9871b1971ed..c4e7269d4a0 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; } |