2022-05-09 05:38:35

by Jiapeng Chong

[permalink] [raw]
Subject: [PATCH] x86/events: remove set but not used variable 'hwc'

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 <[email protected]>
Signed-off-by: Jiapeng Chong <[email protected]>
---
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