diff options
| author |   Thomas Richter <tmricht@linux.ibm.com> | 2019-11-22 13:42:55 +0100 |
|---|---|---|
| committer |   Vasily Gorbik <gor@linux.ibm.com> | 2019-11-30 10:52:46 +0100 |
| commit | c17a7c6ee8177e0da998784c06f37fc093507c5b (patch) | |
| tree | 4c29e4285ccb2afdb3c38551c02ac32e9d9b8786 /arch | |
| parent | s390/cpum_sf: Replace function name in debug statements (diff) | |
| download | linux-dev-c17a7c6ee8177e0da998784c06f37fc093507c5b.tar.xz linux-dev-c17a7c6ee8177e0da998784c06f37fc093507c5b.zip | |
s390/cpum_sf: Remove unnecessary check for pending SDBs
In interrupt handling the function extend_sampling_buffer()
is called after checking for a possibly extension.
This check is not necessary as the called function itself
performs this check again.
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/kernel/perf_cpum_sf.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c index 4414094550a4..dc0ac098a465 100644 --- a/arch/s390/kernel/perf_cpum_sf.c +++ b/arch/s390/kernel/perf_cpum_sf.c @@ -952,8 +952,7 @@ static void cpumsf_pmu_enable(struct pmu *pmu) * buffer extents */ sfb_account_overflows(cpuhw, hwc); - if (sfb_has_pending_allocs(&cpuhw->sfb, hwc)) - extend_sampling_buffer(&cpuhw->sfb, hwc); + extend_sampling_buffer(&cpuhw->sfb, hwc); } /* Rate may be adjusted with ioctl() */ cpuhw->lsctl.interval = SAMPL_RATE(&cpuhw->event->hw); |