Re: [Qemu-devel] [PATCH 05/14] eepro100: Use PCI DMA stub functions

[Alexander Graf <agraf@suse.de>]

Anthony Liguori wrote:
> On 11/02/2011 12:56 PM, Alexander Graf wrote:
>> Michael S. Tsirkin wrote:
>>> On Tue, Nov 01, 2011 at 03:24:28PM -0500, Anthony Liguori wrote:
>>>
>>> What does it get us, applying it before freeze?
>>> It's an api change without new functionality.
>>> Seems better on -next branch.
>>>
>>
>> It gets us that downstreams can convert to the API for 1.0. It just
>> feels a lot more right to change APIs for a 1.0 release than a 1.1
>> release.
>>
>> Also, it gives it more exposure and if anyone is inclined to have a
>> small patch to add IOMMU support for a specific platform downstream,
>> they can do so.
>>
>> Overall, I think it's a good idea to pull it in for 1.0. It certainly
>> makes David's life easier :). Since we also have PCI support in -M
>> pseries now we could even declare the non-usage of an IOMMU there as a
>> bug and fix it for 1.0.1.
>
> I was in violent agreement up until this last sentence ;-)

Heh :). Well, I'm just saying that if the patch ends up being trivial
and really really useful and necessary for users, we at least have the
chance now.


Alex