linux-kernel - Re: [patch 3/4] cpu alloc: The allocator

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Message-Id: <1221834908.15030.3.camel@penberg-laptop>
Date:	Fri, 19 Sep 2008 17:35:08 +0300
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Christoph Lameter <cl@...ux-foundation.org>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-mm@...r.kernel.org, jeremy@...p.org, ebiederm@...ssion.com,
	travis@....com, herbert@...dor.apana.org.au, xemul@...nvz.org
Subject: Re: [patch 3/4] cpu alloc: The allocator

On Fri, 2008-09-19 at 09:27 -0500, Christoph Lameter wrote:
> Pekka Enberg wrote:
> > On Fri, 2008-09-19 at 08:11 -0500, Christoph Lameter wrote:
> >> I thought we could handle early boot panics with early_printk?
> > 
> > Sure, but *if* we can limp along it's usually much nicer to debug
> > WARN_ONs that trigger during early boot. But anyway, I'm fine with
> > either way.
> 
> How would you do this?
> 
> if (condition) {
> 	WARN_ON(1);
> 	return NULL;
> }
> 
> or do we have a macro for this situation.
> 
> if (WARN(condition))
> 	return NULL;

if (WARN_ON(condition))
	return NULL;

or am I missing something here?

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