linux-kernel - RE: [RFC patch] init default dma_ops to prepare intel_iommu

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Date:	Thu, 13 Aug 2009 10:30:46 -0700
From:	"Yu, Fenghua" <fenghua.yu@...el.com>
To:	'David Woodhouse' <dwmw2@...radead.org>,
	'Luming Yu' <luming.yu@...il.com>
CC:	'FUJITA Tomonori' <fujita.tomonori@....ntt.co.jp>,
	"Luck, Tony" <tony.luck@...el.com>,
	"'linux-kernel@...r.kernel.org'" <linux-kernel@...r.kernel.org>,
	"'akpm@...ux-foundation.org'" <akpm@...ux-foundation.org>
Subject: RE: [RFC patch] init default dma_ops to prepare intel_iommu_init
  failure

>-----Original Message-----
>From: David Woodhouse [mailto:dwmw2@...radead.org]
>Sent: Thursday, August 13, 2009 10:08 AM
>To: Luming Yu
>Cc: FUJITA Tomonori; Yu, Fenghua; Luck, Tony; linux-kernel@...r.kernel.org;
>akpm@...ux-foundation.org
>Subject: Re: [RFC patch] init default dma_ops to prepare intel_iommu_init
>failure
>
>On Thu, 2009-08-13 at 17:00 +0800, Luming Yu wrote:
>> Yes the flood of dmar_fault on my HP compaq Dc7800u (my x86_64 linux
>> desktop) has been fixed. But I still have an iommu casued boot problem
>> on a ia64 box.
>
>Really? Even after http://git.kernel.org/linus/51b89f7a6615 ?]
>
>Fenghua will be very interested if that's true. I'm not -- I just hate
>you for having the hardware. :)
>

The latest upstream tree has three patches to fix the iommu boot issue on ia64. Except the above one, the other two patches are:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=33041ec049d39a6e0463c7edc7b6f631d24559e3

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f532959b77e5e567c84c914cb7c7b07d2582448b

Please checkout the latest upstream tree and have a try.

Thanks.

-Fenghua
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