linux-kernel - Re: [PATCH] sata_nv: fix ADMA ATAPI issues with memory over 4GB (v3)

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Message-ID: <4747B2AA.600@gmail.com>
Date:	Sat, 24 Nov 2007 14:12:10 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Robert Hancock <hancockr@...w.ca>
CC:	linux-kernel <linux-kernel@...r.kernel.org>,
	ide <linux-ide@...r.kernel.org>, Jeff Garzik <jeff@...zik.org>
Subject: Re: [PATCH] sata_nv: fix ADMA ATAPI issues with memory over 4GB (v3)

Robert Hancock wrote:
> This fixes some problems with ATAPI devices on nForce4 controllers in ADMA mode
> on systems with memory located above 4GB. We need to delay setting the 64-bit
> DMA mask until the PRD table and padding buffer are allocated so that they don't
> get allocated above 4GB and break legacy mode (which is needed for ATAPI
> devices).
> 
> Signed-off-by: Robert Hancock <hancockr@...w.ca>

Acked-by: Tejun Heo <htejun@...il.com>

Thanks.

-- 
tejun
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