linux-kernel - [PATCH] ARM: smp: Remove CPU: shutdown notice

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Date:   Tue, 17 Jan 2017 15:07:12 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Petr Mladek <pmladek@...e.com>,
        Aaron Tomlin <atomlin@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Chris Metcalf <cmetcalf@...lanox.com>,
        Kees Cook <keescook@...omium.org>,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] ARM: smp: Remove CPU: shutdown notice

This message is not particularly informative, and is not paired with an
identical message when a CPU is brought online. Finally, it slows the
CPU hotplug path down, thus allowing less CPU hotplug operations per
second. Just remove it.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 arch/arm/kernel/smp.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 7dd14e8395e6..b3e02751ab64 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -251,7 +251,6 @@ void __cpu_die(unsigned int cpu)
 		pr_err("CPU%u: cpu didn't die\n", cpu);
 		return;
 	}
-	pr_notice("CPU%u: shutdown\n", cpu);
 
 	/*
 	 * platform_cpu_kill() is generally expected to do the powering off
-- 
2.9.3