linux-kernel - [tip: perf/core] perf: Remove unused pointer task

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Date:   Wed, 16 Nov 2022 09:14:28 -0000
From:   "tip-bot2 for Colin Ian King" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Colin Ian King <colin.i.king@...il.com>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: perf/core] perf: Remove unused pointer task_ctx

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

Commit-ID:     3ce1cb7eee70335b6d4f50fadec264473e9566c3
Gitweb:        https://git.kernel.org/tip/3ce1cb7eee70335b6d4f50fadec264473e9566c3
Author:        Colin Ian King <colin.i.king@...il.com>
AuthorDate:    Fri, 28 Oct 2022 13:25:45 +01:00
Committer:     Peter Zijlstra <peterz@...radead.org>
CommitterDate: Tue, 15 Nov 2022 22:30:11 +01:00

perf: Remove unused pointer task_ctx

The pointer task_ctx is being assigned a value that is not read, the
assignment is redundant and so is the pointer. Remove it

Signed-off-by: Colin Ian King <colin.i.king@...il.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Link: https://lkml.kernel.org/r/20221028122545.528999-1-colin.i.king@gmail.com
---
 kernel/events/core.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index ec2abc5..baa2997 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -4215,7 +4215,6 @@ static bool perf_rotate_context(struct perf_cpu_pmu_context *cpc)
 	struct perf_cpu_context *cpuctx = this_cpu_ptr(&perf_cpu_context);
 	struct perf_event_pmu_context *cpu_epc, *task_epc = NULL;
 	struct perf_event *cpu_event = NULL, *task_event = NULL;
-	struct perf_event_context *task_ctx = NULL;
 	int cpu_rotate, task_rotate;
 	struct pmu *pmu;
 
@@ -4229,7 +4228,6 @@ static bool perf_rotate_context(struct perf_cpu_pmu_context *cpc)
 	task_epc = cpc->task_epc;
 
 	cpu_rotate = cpu_epc->rotate_necessary;
-	task_ctx = cpuctx->task_ctx;
 	task_rotate = task_epc ? task_epc->rotate_necessary : 0;
 
 	if (!(cpu_rotate || task_rotate))