* [PATCH] x86/events: remove set but not used variable 'hwc'
@ 2022-05-06 6:04 Jiapeng Chong
0 siblings, 0 replies; only message in thread
From: Jiapeng Chong @ 2022-05-06 6:04 UTC (permalink / raw)
To: peterz
Cc: mingo, acme, mark.rutland, alexander.shishkin, jolsa, namhyung,
tglx, bp, dave.hansen, x86, hpa, linux-perf-users, linux-kernel,
Jiapeng Chong, Abaci Robot
Eliminate the follow clang warning:
arch/x86/events/amd/core.c:774:24: warning: variable 'hwc' set but not
used [-Wunused-but-set-variable].
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
---
arch/x86/events/amd/core.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c
index 47ef8aee15d2..78076904daad 100644
--- a/arch/x86/events/amd/core.c
+++ b/arch/x86/events/amd/core.c
@@ -771,13 +771,11 @@ static void amd_pmu_enable_event(struct perf_event *event)
static void amd_pmu_enable_all(int added)
{
struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
- struct hw_perf_event *hwc;
int idx;
amd_brs_enable_all();
for (idx = 0; idx < x86_pmu.num_counters; idx++) {
- hwc = &cpuc->events[idx]->hw;
/* only activate events which are marked as active */
if (!test_bit(idx, cpuc->active_mask))
--
2.20.1.7.g153144c
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