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authorJason Gunthorpe <jgg@mellanox.com>2018-12-11 14:24:57 -0700
committerJason Gunthorpe <jgg@mellanox.com>2018-12-11 14:24:57 -0700
commit28ab1bb0e8f031dd7dd3462ff8f6b2e93fc77e7f (patch)
tree3c0d2177d9bfc513c2d06c1efb5ab62c74fd1953 /arch/s390/kernel/perf_cpum_cf.c
parentb874155a5fa450bf5e4b5303cbfff05958805bf8 (diff)
parent40e020c129cfc991e8ab4736d2665351ffd1468d (diff)
Merge tag 'v4.20-rc6' into rdma.git for-next
For dependencies in following patches.
Diffstat (limited to 'arch/s390/kernel/perf_cpum_cf.c')
-rw-r--r--arch/s390/kernel/perf_cpum_cf.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c
index cc085e2d2ce9..d5523adeddbf 100644
--- a/arch/s390/kernel/perf_cpum_cf.c
+++ b/arch/s390/kernel/perf_cpum_cf.c
@@ -346,6 +346,8 @@ static int __hw_perf_event_init(struct perf_event *event)
break;
case PERF_TYPE_HARDWARE:
+ if (is_sampling_event(event)) /* No sampling support */
+ return -ENOENT;
ev = attr->config;
/* Count user space (problem-state) only */
if (!attr->exclude_user && attr->exclude_kernel) {
@@ -373,7 +375,7 @@ static int __hw_perf_event_init(struct perf_event *event)
return -ENOENT;
if (ev > PERF_CPUM_CF_MAX_CTR)
- return -EINVAL;
+ return -ENOENT;
/* Obtain the counter set to which the specified counter belongs */
set = get_counter_set(ev);