linux-kernel - [PATCH -next] perf/x86/amd: Remove unused variable 'hwc'

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Date:   Thu, 21 Apr 2022 19:10:31 +0800
From:   Zucheng Zheng <zhengzucheng@...wei.com>
To:     <peterz@...radead.org>, <mingo@...hat.com>, <acme@...nel.org>,
        <mark.rutland@....com>, <alexander.shishkin@...ux.intel.com>,
        <jolsa@...nel.org>, <namhyung@...nel.org>, <tglx@...utronix.de>,
        <bp@...en8.de>, <dave.hansen@...ux.intel.com>, <hpa@...or.com>
CC:     <linux-perf-users@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] perf/x86/amd: Remove unused variable 'hwc'

'hwc' is never used in amd_pmu_enable_all(), so remove it.

-------------------------------

Signed-off-by: Zucheng Zheng <zhengzucheng@...wei.com>
---
 arch/x86/events/amd/core.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c
index 8e1e818f8195..d7f9500b876d 100644
--- a/arch/x86/events/amd/core.c
+++ b/arch/x86/events/amd/core.c
@@ -714,14 +714,11 @@ 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))
 			continue;
-- 
2.18.0.huawei.25