aboutsummaryrefslogtreecommitdiffstats
path: root/arch/s390/kernel/perf_cpum_cf.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/kernel/perf_cpum_cf.c')
-rw-r--r--arch/s390/kernel/perf_cpum_cf.c6
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)
94 set = CPUMF_CTR_SET_USER; 94 set = CPUMF_CTR_SET_USER;
95 else if (event < 128) 95 else if (event < 128)
96 set = CPUMF_CTR_SET_CRYPTO; 96 set = CPUMF_CTR_SET_CRYPTO;
97 else if (event < 160) 97 else if (event < 256)
98 set = CPUMF_CTR_SET_EXT; 98 set = CPUMF_CTR_SET_EXT;
99 99
100 return set; 100 return set;
@@ -138,6 +138,10 @@ static int validate_ctr_version(const struct hw_perf_event *hwc)
138 case CPUMF_CTR_SET_EXT: 138 case CPUMF_CTR_SET_EXT:
139 if (cpuhw->info.csvn < 1) 139 if (cpuhw->info.csvn < 1)
140 err = -EOPNOTSUPP; 140 err = -EOPNOTSUPP;
141 if ((cpuhw->info.csvn == 1 && hwc->config > 159) ||
142 (cpuhw->info.csvn == 2 && hwc->config > 175) ||
143 (cpuhw->info.csvn > 2 && hwc->config > 255))
144 err = -EOPNOTSUPP;
141 break; 145 break;
142 } 146 }
143 147