netdev - Re: [PATCH 14/16] dma-debug: add checks for sync_single_sg

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Date:	Sun, 11 Jan 2009 09:00:19 +0100
From:	Joerg Roedel <joro@...tes.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Joerg Roedel <joerg.roedel@....com>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
	mingo@...hat.com
Subject: Re: [PATCH 14/16] dma-debug: add checks for sync_single_sg_*

On Sun, Jan 11, 2009 at 12:46:41AM +0100, Ingo Molnar wrote:
> 
> * Joerg Roedel <joerg.roedel@....com> wrote:
> 
> > +void debug_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
> > +			   int nelems, int direction)
> > +{
> > +	struct scatterlist *s;
> > +	int i;
> > +
> > +	if (global_disable)
> > +		return;
> 
> "if (unlikely(global_disable))" i suspect?

True. I  will add unlikely() to all global_disable checks.

Joerg
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