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From: Eric Sandeen <sandeen@sandeen.net>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Andi Kleen <andi@firstfloor.org>,
	linux-kernel@vger.kernel.org, mingo@elte.hu
Subject: Re: [PATCH] i386: Execute stack overflow warning on interrupt stack II
Date: Mon, 05 May 2008 08:13:38 -0500	[thread overview]
Message-ID: <481F0802.4000608@sandeen.net> (raw)
In-Reply-To: <alpine.LFD.1.10.0805051434200.3318@apollo.tec.linutronix.de>

Thomas Gleixner wrote:
> On Mon, 5 May 2008, Andi Kleen wrote:
>> Thomas Gleixner wrote:
>>> On Fri, 2 May 2008, Andi Kleen wrote:
>>>> +static void stack_overflow(void)
>>>> +{
>>>> +	printk("low stack detected by irq handler\n");
>>> Needs a KERN_ERR
>> Just moving code. If there is one added it should be in another patch.
> 
> Err, you are not moving code. The printk is pretty different and
> adding the KERN_xx in the same go is nothing which makes the patch
> harder to understand.
> 
>> Besides if anything it's a KERN_WARN I guess.
> 
> KERN_WARN is fine, even if I consider a stack overflow as an error.

But it hasn't overflowed yet.  It's a warning about being *close* - not
an error.

-Eric

  reply	other threads:[~2008-05-05 13:13 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-02  9:18 [PATCH] i386: Execute stack overflow warning on interrupt stack Andi Kleen
2008-05-02  9:45 ` Jiri Slaby
2008-05-02  9:48   ` Andi Kleen
2008-05-02  9:45 ` [PATCH] i386: Execute stack overflow warning on interrupt stack II Andi Kleen
2008-05-05  9:59   ` Thomas Gleixner
2008-05-05 10:17     ` Andi Kleen
2008-05-05 12:39       ` Thomas Gleixner
2008-05-05 13:13         ` Eric Sandeen [this message]
2008-05-05 13:29         ` Andi Kleen
2008-05-05 13:42           ` Pekka Enberg
2008-05-05 13:45             ` Andi Kleen
2008-05-05 13:42 ` [PATCH] i386: Execute stack overflow warning on interrupt stack Eric Sandeen
2008-05-05 13:47   ` Andi Kleen

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