RE: 2.6.29: can't resume from suspend with DMAR (intel iommu)enabled

From: Yu, Fenghua
Date: Fri Apr 10 2009 - 19:21:22 EST


>-----Original Message-----
>From: David Woodhouse [mailto:dwmw2@xxxxxxxxxxxxx]
>Sent: Friday, April 10, 2009 3:46 PM
>To: Kyle McMartin
>Cc: Yu, Fenghua; 'Ingo Molnar'; 'Andrew Lutomirski'; 'Jesse Barnes';
>Siddha, Suresh B; 'Yinghai Lu'; 'Mark Gross'; 'LKML'
>Subject: Re: 2.6.29: can't resume from suspend with DMAR (intel iommu)
>enabled
>
>On Tue, 2009-03-24 at 16:40 -0400, Kyle McMartin wrote:
>> > Current kernel doesn't have iommu suspend/resume support yet. I'll
>> > send out suspend/resume patches today or tomorrow. Hope that will
>> > help.
>>
>> Heh, awesome, someone could have brought this, uhm, subtle, weakness
>> when things were getting defaulted on...
>
>git://git.infradead.org/~dwmw2/iommu-suspend-2.6.29.git
>
>That's just for IOMMU, not interrupt remapping (yet).
>

Intr remapping needs to be pack ported to 2.6.29 from kernel git tree.

Thanks.

-Fenghua
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