linux-kernel - Re: [PATCH] cpumask fallout: Initialize irq_default

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Date:	Thu, 08 Jan 2009 12:49:18 -0800
From:	David Daney <ddaney@...iumnetworks.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	rusty@...tcorp.com.au, linux-kernel@...r.kernel.org,
	linux-mips@...ux-mips.org
Subject: Re: [PATCH] cpumask fallout: Initialize irq_default_affinity earlier.

Linus Torvalds wrote:
[...]
> In fact, I think it already is a no-op in the UP case, and you can 
> literally just do
> 
> 	static inline void __init init_irq_default_affinity(void)
> 	{
> 	 	alloc_cpumask_var(&irq_default_affinity, GFP_KERNEL);
> 	 	cpumask_setall(irq_default_affinity);
> 	}
> 
> and be done with it. I think it should all compile away to nothing if 
> CONFIG_SMP isn't set.

The 'inline' seems gratuitous to me.  Since it is static GCC should do 
the Right Thing.  However since you suggested it, I am testing it that way.

David Daney
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