linux-kernel - Re: [patch 6/7] SDHCI: Check DMA for overruns at end of transfer

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Message-ID: <20081103211200.GA10721@khazad-dum.debian.net>
Date:	Mon, 3 Nov 2008 19:12:00 -0200
From:	Henrique de Moraes Holschuh <hmh@....eng.br>
To:	Ben Dooks <ben-linux@...ff.org>
Cc:	linux-kernel@...r.kernel.org, drzeus-mmc@...eus.cx,
	sdhci-devel@...t.drzeus.cx
Subject: Re: [patch 6/7] SDHCI: Check DMA for overruns at end of transfer

Maybe I didn't understand it right, but if the DMA controller could overrun
a buffer, don't you ALSO need to add defensive padding (i.e. increase the
buffer) to make sure nothing important gets overrun?

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh
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