1 files changed, 39 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0078-perf-x86-amd-Remove-unused-variable-hwc.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0078-perf-x86-amd-Remove-unused-variable-hwc.patch
new file mode 100644
index 00000000..8c550819
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0078-perf-x86-amd-Remove-unused-variable-hwc.patch
@@ -0,0 +1,39 @@
+From c1977a8c9fef6e5ab30f62f41a0b5f9c0df1956b Mon Sep 17 00:00:00 2001
+From: Zucheng Zheng <zhengzucheng@huawei.com>
+Date: Thu, 21 Apr 2022 19:10:31 +0800
+Subject: [PATCH 78/86] perf/x86/amd: Remove unused variable 'hwc'
+
+commit bc469ddf67154a4840267132e87ce0d8b72d4952 upstream
+
+'hwc' is never used in amd_pmu_enable_all(), so remove it.
+
+Signed-off-by: Zucheng Zheng <zhengzucheng@huawei.com>
+Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
+Link: https://lkml.kernel.org/r/20220421111031.174698-1-zhengzucheng@huawei.com
+Signed-off-by: Zhaolong Zhang <zhaolong.zhang@windriver.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 262e39a85031..d81eac2284ea 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;
+-- 
+2.37.3
+