xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

s390/cpum_cf: update counter numbers to ecctr limits

Browse Source 
Use the highest counter number that can be specified for the
ecctr (extract CPU counter) instruction for perf.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Hendrik Brueckner
2017-02-13 12:30:09 +01:00
committed by Martin Schwidefsky
parent 4d6e51c740
commit 20ba46da36
2 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/s390/kernel/perf_cpum_cf.c
View File

@@ -370,7 +370,7 @@ static int __hw_perf_event_init(struct perf_event *event)
if (ev == -1)
return -ENOENT;
if (ev >= PERF_CPUM_CF_MAX_CTR)
if (ev > PERF_CPUM_CF_MAX_CTR)
return -EINVAL;
/* Use the hardware perf event structure to store the counter number