linux-kernel - Re: [PATCH] x86: fix pci-gart failure handling

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Message-ID: <20071026115604.GI5155@kernel.dk>
Date:	Fri, 26 Oct 2007 13:56:04 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Cc:	linux-kernel@...r.kernel.org, tomof@....org
Subject: Re: [PATCH] x86: fix pci-gart failure handling

On Fri, Oct 26 2007, FUJITA Tomonori wrote:
> blk_rq_map_sg doesn't initialize sg->dma_address/length to zero
> anymore. Some low level drivers reuse sg lists without initializing so
> IOMMUs might get non-zero dma_address/length. If map_sg fails, we need
> pass the number of the mapped entries to gart_unmap_sg.
> 
> Signed-off-by: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>

Thanks Tomo, applied!

-- 
Jens Axboe

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