linux-kernel - Re: [PATCH 0/3] fix GART to respect device's dma

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Message-ID: <20080918182528.GP25711@one.firstfloor.org>
Date:	Thu, 18 Sep 2008 20:25:28 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
	andi@...stfloor.org, joerg.roedel@....com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] fix GART to respect device's dma_mask about virtual mappings

> no - any extra layer of robustness is good in such a critical piece of 

robustness would require to handle it everywhere (as in always fall
back to 24bit DMA bouncing if someone tries a map_* on a < 32bit mapping), 
but this patch doesn't do that at all.

-Andi
-- 
ak@...ux.intel.com
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