linux-kernel - Re: more iommu sg merging fallout

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Message-Id: <20080217.234142.157527607.davem@davemloft.net>
Date:	Sun, 17 Feb 2008 23:41:42 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	tomof@....org
Cc:	fujita.tomonori@....ntt.co.jp, jens.axboe@...cle.com,
	linux-kernel@...r.kernel.org
Subject: Re: more iommu sg merging fallout

From: FUJITA Tomonori <tomof@....org>
Date: Sat, 16 Feb 2008 15:03:43 +0900

> [PATCH] sparc64: make IOMMU code respect the segment boundary limits
> 
> Signed-off-by: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>

Looks good, but I think it will break sound for some ALI chips.

Please see arch/sparc64/kernel/pci.c:ali_sound_dma_hack()
and it's caller pci_dma_supported().

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