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Date: Fri, 12 Dec 2008 14:10:02 -0600
From: Anthony Liguori <anthony@codemonkey.ws>
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Subject: Re: [Qemu-devel] [PATCH 2 of 5] add can_dma/post_dma for direct IO
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To: Blue Swirl <blauwirbel@gmail.com>
Cc: chrisw@redhat.com, avi@redhat.com, qemu-devel@nongnu.org, kvm@vger.kernel.org, Gerd Hoffmann <kraxel@redhat.com>

Blue Swirl wrote:
> On 12/12/08, Anthony Liguori <anthony@codemonkey.ws> wrote:
>   
>>  I think we should go back to Fabrice's earliest suggestion here.  We should
>> just have a simple map/unmap lock/unlock API for physical memory.  That
>> should be the base API IMHO.
>>     
>
> Beautiful!
>
>   
>>  As long the map function goes from guest physical => host virtual, it can
>> work for everything we care about.
>>
>>  This is orthogonal to an API dealing with scatter/gather lists and
>> translation to and from them.
>>     
>
> So again we tried to solve too many problems at once.
>   

Yup.

Regards,

Anthony Liguori

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