linux-kernel - Re: [PATCH] dmatest: Use custom map/unmap for destination buffer

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Message-ID: <20090113164816.7f7d3d31@hskinnemoen-d830>
Date:	Tue, 13 Jan 2009 16:48:16 +0100
From:	Haavard Skinnemoen <haavard.skinnemoen@...el.com>
To:	Atsushi Nemoto <anemo@....ocn.ne.jp>
Cc:	linux-kernel@...r.kernel.org, dan.j.williams@...el.com,
	maciej.sosnowski@...el.com
Subject: Re: [PATCH] dmatest: Use custom map/unmap for destination buffer

Atsushi Nemoto wrote:
> The dmatest driver should use DMA_BIDIRECTIONAL on the destination buffer
> to ensure that the poison values are written to RAM and not just written
> to cache and discarded.
> 
> Signed-off-by: Atsushi Nemoto <anemo@....ocn.ne.jp>

Acked-by: Haavard Skinnemoen <haavard.skinnemoen@...el.com>
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