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authorThomas Richter <tmricht@linux.ibm.com>2024-07-10 12:23:47 +0200
committerVasily Gorbik <gor@linux.ibm.com>2024-08-22 19:28:11 +0200
commitb495e710157606889f2d8bdc62aebf2aa02f67a7 (patch)
treeb13094d5a553e52de8fe2db90875e72a754e8416 /arch/s390
parent14a34130e030b5f597e1d688498a4b9679521b38 (diff)
s390/cpum_sf: Remove WARN_ON_ONCE statements
Remove WARN_ON_ONCE statements. These have not triggered in the past. Signed-off-by: Thomas Richter <tmricht@linux.ibm.com> Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/kernel/perf_cpum_sf.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c
index 8d49f24f1bf6..5b765e3ccf0c 100644
--- a/arch/s390/kernel/perf_cpum_sf.c
+++ b/arch/s390/kernel/perf_cpum_sf.c
@@ -1359,7 +1359,7 @@ static int aux_output_begin(struct perf_output_handle *handle,
unsigned long range, i, range_scan, idx, head, base, offset;
struct hws_trailer_entry *te;
- if (WARN_ON_ONCE(handle->head & ~PAGE_MASK))
+ if (handle->head & ~PAGE_MASK)
return -EINVAL;
aux->head = handle->head >> PAGE_SHIFT;
@@ -1522,7 +1522,7 @@ static void hw_collect_aux(struct cpu_hw_sf *cpuhw)
unsigned long num_sdb;
aux = perf_get_aux(handle);
- if (WARN_ON_ONCE(!aux))
+ if (!aux)
return;
/* Inform user space new data arrived */
@@ -1541,7 +1541,7 @@ static void hw_collect_aux(struct cpu_hw_sf *cpuhw)
num_sdb);
break;
}
- if (WARN_ON_ONCE(!aux))
+ if (!aux)
return;
/* Update head and alert_mark to new position */
@@ -1754,12 +1754,8 @@ static void cpumsf_pmu_start(struct perf_event *event, int flags)
{
struct cpu_hw_sf *cpuhw = this_cpu_ptr(&cpu_hw_sf);
- if (WARN_ON_ONCE(!(event->hw.state & PERF_HES_STOPPED)))
+ if (!(event->hw.state & PERF_HES_STOPPED))
return;
-
- if (flags & PERF_EF_RELOAD)
- WARN_ON_ONCE(!(event->hw.state & PERF_HES_UPTODATE));
-
perf_pmu_disable(event->pmu);
event->hw.state = 0;
cpuhw->lsctl.cs = 1;