linux-kernel - Re: [PATCH 00/20] iommu/amd: Use generic IOVA allocator

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Date:	Wed, 13 Jul 2016 17:44:24 +0800
From:	Wan Zongshun <vw@...mu.org>
To:	Joerg Roedel <joro@...tes.org>
Cc:	Vincent.Wan@....com, iommu@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/20] iommu/amd: Use generic IOVA allocator

On 2016年07月12日 18:55, Joerg Roedel wrote:
> Hey Vincent,
>
> On Tue, Jul 12, 2016 at 05:03:08PM +0800, Wan Zongshun wrote:
>> Currently, those patches can not work at my eCarrizo board.
>> When I merged your patches, boot failed, and no any info print to me.
>> I set iommu=pt, it also does not work; set iommu=soft, boot ok.
>>
>> When I removed those patches, kernel boot ok.
>>
>> This eCarrizo board uart doesnot work, so I can not get useful
>> information from kernel by uart console, I also set 'text' in boot
>> option, but still cannot print any log.
>
> Thanks for your testing. The issue turned out to be an older bug, which
> just got uncovered by these patches. I updated the branch at
>
> 	git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux.git amd-iommu-iova
>
> This branch boots now on my Kaveri and Carrizo system. Can you please
> give it a test too?

Joerg, I have tested the patches, it works now.

>
> Thanks,
>
> 	Joerg
>
> _______________________________________________
> iommu mailing list
> iommu@...ts.linux-foundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/iommu
>
>

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