[tip: perf/core] perf/x86/amd: Remove unused variable 'hwc'

[tip-bot2 for Zucheng Zheng]

The following commit has been merged into the perf/core branch of tip:

Commit-ID:     2cc6edea3673e38fa96df5cf8a62ddc8b27c7217
Gitweb:        https://git.kernel.org/tip/2cc6edea3673e38fa96df5cf8a62ddc8b27c7217
Author:        Zucheng Zheng <zhengzucheng@xxxxxxxxxx>
AuthorDate:    Thu, 21 Apr 2022 19:10:31 +08:00
Committer:     Peter Zijlstra <peterz@xxxxxxxxxxxxx>
CommitterDate: Wed, 11 May 2022 16:27:11 +02:00

perf/x86/amd: Remove unused variable 'hwc'

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

Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/20220421111031.174698-1-zhengzucheng@xxxxxxxxxx
---
 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 262e39a..d81eac2 100644
--- a/arch/x86/events/amd/core.c
+++ b/arch/x86/events/amd/core.c
@@ -771,14 +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))
 			continue;