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

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Message-ID: <129600E5E5FB004392DDC3FB599660D70CAAE436@irsmsx504.ger.corp.intel.com>
Date:	Wed, 14 Jan 2009 14:32:39 +0000
From:	"Sosnowski, Maciej" <maciej.sosnowski@...el.com>
To:	Atsushi Nemoto <anemo@....ocn.ne.jp>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"haavard.skinnemoen@...el.com" <haavard.skinnemoen@...el.com>,
	"Williams, Dan J" <dan.j.williams@...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: Maciej Sosnowski <maciej.sosnowski@...el.com>
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