linux-kernel - [PATCH 1/2] tracing/hwlat: Drop the duplicate assignment in start

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Message-Id: <20200730082318.42584-1-haokexin@gmail.com>
Date:   Thu, 30 Jul 2020 16:23:17 +0800
From:   Kevin Hao <haokexin@...il.com>
To:     Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] tracing/hwlat: Drop the duplicate assignment in start_kthread()

We have set 'current_mask' to '&save_cpumask' in its declaration,
so there is no need to assign again.

Signed-off-by: Kevin Hao <haokexin@...il.com>
---
 kernel/trace/trace_hwlat.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/trace/trace_hwlat.c b/kernel/trace/trace_hwlat.c
index e2be7bb7ef7e..ddb528a6cd51 100644
--- a/kernel/trace/trace_hwlat.c
+++ b/kernel/trace/trace_hwlat.c
@@ -371,7 +371,6 @@ static int start_kthread(struct trace_array *tr)
 		return 0;
 
 	/* Just pick the first CPU on first iteration */
-	current_mask = &save_cpumask;
 	get_online_cpus();
 	cpumask_and(current_mask, cpu_online_mask, tracing_buffer_mask);
 	put_online_cpus();
-- 
2.26.2