linux-kernel - Re: [PATCH 06/11] ttm/driver: Expand ttm_backend_func to include two overrides for TTM page pool.

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Message-ID: <4EB006B8.8080001@vmware.com>
Date:	Tue, 01 Nov 2011 15:48:24 +0100
From:	Thomas Hellstrom <thellstrom@...are.com>
To:	Jerome Glisse <j.glisse@...il.com>
CC:	Thomas Hellstrom <thomas@...pmail.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	xen-devel@...ts.xensource.com, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, j.glisse@...hat.com,
	airlied@...hat.com, bskeggs@...hat.com
Subject: Re: [PATCH 06/11] ttm/driver: Expand ttm_backend_func to include
 two overrides for TTM page pool.

On 11/01/2011 03:37 PM, Jerome Glisse wrote:
> On Sat, Oct 22, 2011 at 11:40:54AM +0200, Thomas Hellstrom wrote:
>    
>> Konrad,
>>
>> I was hoping that we could get rid of the dma_address shuffling into
>> core TTM,
>> like I mentioned in the review. From what I can tell it's now only
>> used in the backend and
>> core ttm doesn't care about it.
>>
>> Is there a particular reason we're still passing it around?
>>
>> Thanks,
>> /Thomas
>>
>>      
> I am working on patchset on top of this that will move dma handling
> back to driver and mostly out of ttm (the page alloc helper will
> still do dma stuff on behalf of driver) So if my patchset is acceptable
> the dma situation is transionary.
>
> Cheers,
> Jerome
>    
Cool.

Thanks, Jerome.

/Thomas

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