linux-kernel - Re: [PATCH v5 07/45] CPU hotplug: Provide APIs to prevent CPU offline from atomic context

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Message-ID: <5117F638.9070700@linux.vnet.ibm.com>
Date:	Mon, 11 Feb 2013 01:04:16 +0530
From:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>
To:	Namhyung Kim <namhyung@...nel.org>
CC:	linux-doc@...r.kernel.org, peterz@...radead.org,
	fweisbec@...il.com, linux-kernel@...r.kernel.org, mingo@...nel.org,
	linux-arch@...r.kernel.org, linux@....linux.org.uk,
	xiaoguangrong@...ux.vnet.ibm.com, wangyun@...ux.vnet.ibm.com,
	paulmck@...ux.vnet.ibm.com, nikunj@...ux.vnet.ibm.com,
	linux-pm@...r.kernel.org, rusty@...tcorp.com.au,
	rostedt@...dmis.org, rjw@...k.pl, tglx@...utronix.de,
	linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org,
	oleg@...hat.com, sbw@....edu, tj@...nel.org,
	akpm@...ux-foundation.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v5 07/45] CPU hotplug: Provide APIs to prevent CPU offline
 from atomic context

Hi Namhyung,

On 01/29/2013 03:51 PM, Namhyung Kim wrote:
> Hi Srivatsa,
> 
> On Tue, 22 Jan 2013 13:04:54 +0530, Srivatsa S. Bhat wrote:
>> @@ -246,15 +291,21 @@ struct take_cpu_down_param {
>>  static int __ref take_cpu_down(void *_param)
>>  {
>>  	struct take_cpu_down_param *param = _param;
>> -	int err;
>> +	unsigned long flags;
>> +	int err = 0;
> 
> It seems no need to set 'err' to 0.
>

Sorry for the late reply. This mail got buried in my inbox and
I hadn't noticed it until now.. :-(

I'll remove the unnecessary initialization. Thank you!

Regards,
Srivatsa S. Bhat

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