linux-kernel - Re: [PATCH] quiet down swiotlb warnings

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Message-ID: <20070601195738.GA21537@infradead.org>
Date:	Fri, 1 Jun 2007 20:57:38 +0100
From:	Christoph Hellwig <hch@...radead.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Rik van Riel <riel@...hat.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	andrew.vasquez@...gic.com
Subject: Re: [PATCH] quiet down swiotlb warnings

On Fri, Jun 01, 2007 at 09:37:03PM +0200, Andi Kleen wrote:
> > in some cases which is highly annoying and leads people to stick a
> > __GFP_NOWARN into various places)
> 
> An pci_map_sg failing typically leads to an IO error and we've
> always printk'ed those. Otherwise people will wonder why they
> get EIO.

Not in a scsi driver.  It will get requeued and the midlayer will submit
it again when an outstanding command has finished.

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