linux-kernel - Re: [PATCH v2] irq: use per_cpu kstat

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Message-ID: <1288975661.2882.858.camel@edumazet-laptop>
Date:	Fri, 05 Nov 2010 17:47:41 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>, Andi Kleen <andi@...stfloor.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH v2] irq: use per_cpu kstat_irqs

Le vendredi 05 novembre 2010 à 17:45 +0100, Tejun Heo a écrit :
> Hello,
> 
> On 11/05/2010 05:06 PM, Eric Dumazet wrote:
> > V2: support for !CONFIG_SPARSE_IRQ
> >     No white space changes.
> > 
> > Question : Is dynamic percpu allocator ready at this stage for all
> > arches ? The need is NR_IRQS*4 bytes of percpu memory for 
> > !CONFIG_SPARSE_IRQ
> 
> The earliest is early_irq_init(), right?  If so, percpu allocator is
> up by then on all archs.
> 

OK thats fine then.

Thanks for the clarification Tejun.



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