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

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Date:	Fri, 14 Aug 2009 13:44:23 +0800
From:	Luming Yu <luming.yu@...il.com>
To:	"Yu, Fenghua" <fenghua.yu@...el.com>
Cc:	David Woodhouse <dwmw2@...radead.org>,
	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

On Fri, Aug 14, 2009 at 1:30 AM, Yu, Fenghua<fenghua.yu@...el.com> wrote:
>>-----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. :)


-rc5 can't boot.


>>
>
> 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.


-rc6 can boot. Thanks all for help. I'm satisfied so far. :-)
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