linux-kernel - [PATCH 4/8] ARM/etm/sysrq: fix inconstistent help message of sysrq key

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Message-ID: <51385727.3080206@huawei.com>
Date:	Thu, 7 Mar 2013 17:00:23 +0800
From:	"zhangwei(Jovi)" <jovi.zhangwei@...wei.com>
To:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Russell King <linux@....linux.org.uk>
Subject: [PATCH 4/8] ARM/etm/sysrq: fix inconstistent help message of sysrq
 key

Currently help message of /proc/sysrq-trigger highlight its
upper-case characters, like below:

      SysRq : HELP : loglevel(0-9) reBoot Crash terminate-all-tasks(E)
      memory-full-oom-kill(F) kill-all-tasks(I) ...

this would confuse user trigger sysrq by upper-case character, which is
inconsistent with the real lower-case character registed key.

This inconsistent help message will also lead more confused when
26 upper-case letters put into use in future.

This patch fix arm etm sysrq key: "etm buffer dump(v)"

Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@...wei.com>
Cc: Russell King <linux@....linux.org.uk>
---
 arch/arm/kernel/etm.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/kernel/etm.c b/arch/arm/kernel/etm.c
index 9b6de8c..e2dad6f 100644
--- a/arch/arm/kernel/etm.c
+++ b/arch/arm/kernel/etm.c
@@ -254,7 +254,7 @@ static void sysrq_etm_dump(int key)

 static struct sysrq_key_op sysrq_etm_op = {
 	.handler = sysrq_etm_dump,
-	.help_msg = "ETM buffer dump",
+	.help_msg = "etm buffer dump(v)",
 	.action_msg = "etm",
 };

-- 
1.7.9.7


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