linux-kernel - dma-debug: check_for

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Message-ID: <4A3547DD.2010809@s5r6.in-berlin.de>
Date:	Sun, 14 Jun 2009 20:56:29 +0200
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	linux-kernel@...r.kernel.org
CC:	Joerg Roedel <joerg.roedel@....com>
Subject: dma-debug: check_for_stack background?

Hi,

it took a while but I finally noticed that the DMA debug facility warns 
about mappings of on-stack memory.  What's the problem with that?  Are 
there architectures which don't support such mappings, or is it a 
question of caution not to DMA-map the stack?
-- 
Stefan Richter
-=====-==--= -==- -===-
http://arcgraph.de/sr/
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