linux-kernel - Re: [PATCH V2] smp: Give WARN()ing when calling smp_call_function

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Date:	Tue, 19 Feb 2013 15:01:23 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Fengguang Wu <fengguang.wu@...el.com>
Cc:	Chuansheng Liu <chuansheng.liu@...el.com>, mingo@...nel.org,
	peterz@...radead.org, jbeulich@...e.com,
	paulmck@...ux.vnet.ibm.com, mina86@...a86.org,
	srivatsa.bhat@...ux.vnet.ibm.com, linux-kernel@...r.kernel.org,
	jun.zhang@...el.com
Subject: Re: [PATCH V2] smp: Give WARN()ing when calling
 smp_call_function_many()/single() in serving irq

On Mon, 18 Feb 2013 09:38:52 +0800
Fengguang Wu <fengguang.wu@...el.com> wrote:

> Chuansheng,
> 
> It works fine on tip/next. Thanks for the fix!
> 
> Tested-by: Fengguang Wu <fengguang.wu@...el.com>

How did you test this?  What did you do?

afacit the patch adds additional warnings, so you must have had some
buggy code and with the patch, runtime warnings are generated which
inform you of that bug?

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