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| author | Thomas Richter <tmricht@linux.ibm.com> | 2024-10-24 13:33:55 +0200 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2024-10-29 11:17:18 +0100 |
| commit | f2e9d46ac62ff2b01ae168f88739ae99ff376f2e (patch) | |
| tree | ea737579bef3a970ead00cfa2f99fd1843d853e8 | |
| parent | de6d22ccdc0904bca56503a024365d50c39a23b1 (diff) | |
| download | lwn-f2e9d46ac62ff2b01ae168f88739ae99ff376f2e.tar.gz lwn-f2e9d46ac62ff2b01ae168f88739ae99ff376f2e.zip | |
s390/cpum_sf: Use sf_buffer_available()
Use sf_buffer_available() consistently throughtout the code
to test for the existence of sampling buffer.
No functional change.
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Reviewed-by: Hendrik Brueckner <brueckner@linux.ibm.com>
Reviewed-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
| -rw-r--r-- | arch/s390/kernel/perf_cpum_sf.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c index 7a88de52025c..8a690f4f04d9 100644 --- a/arch/s390/kernel/perf_cpum_sf.c +++ b/arch/s390/kernel/perf_cpum_sf.c @@ -404,7 +404,7 @@ static void sfb_init_allocs(unsigned long num, struct hw_perf_event *hwc) static void deallocate_buffers(struct cpu_hw_sf *cpuhw) { - if (cpuhw->sfb.sdbt) + if (sf_buffer_available(cpuhw)) free_sampling_buffer(&cpuhw->sfb); } @@ -1793,7 +1793,7 @@ static int cpumsf_pmu_add(struct perf_event *event, int flags) if (cpuhw->flags & PMU_F_IN_USE) return -EAGAIN; - if (!SAMPL_DIAG_MODE(&event->hw) && !cpuhw->sfb.sdbt) + if (!SAMPL_DIAG_MODE(&event->hw) && !sf_buffer_available(cpuhw)) return -EINVAL; perf_pmu_disable(event->pmu); |