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SubjectRe: [RFC][PATCH 1/5 v2] dma-buf: Add dma-buf heaps framework
On 3/15/19 2:29 PM, John Stultz wrote:
> On Fri, Mar 15, 2019 at 1:18 PM Laura Abbott <> wrote:
>> On 3/5/19 12:54 PM, John Stultz wrote:
>>> +M: Laura Abbott<>
>>> +R: Liam Mark<>
>>> +R: Brian Starkey<>
>>> +R: "Andrew F. Davis"<>
>>> +R: John Stultz<>
>>> +S: Maintained
>>> +L:
>>> +L:
>>> +L: (moderated for non-subscribers)
>>> +F: include/uapi/linux/dma-heap.h
>>> +F: include/linux/dma-heap.h
>>> +F: drivers/dma-buf/dma-heap.c
>>> +F: drivers/dma-buf/heaps/*
>>> +T: git git://
>> So I talked about this with Sumit privately but I think
>> it might make sense to have me step down as maintainer when
>> this goes out of staging. I mostly worked on Ion at my
>> previous position and anything I do now is mostly a side
>> project. I still want to see it succeed which is why I
>> took on the maintainer role but I don't want to become blocking
>> for people who have a stronger vision about where this needs
>> to go (see also, I'm not working with this on a daily basis).
>> If you just want someone to help review or take patches
>> to be pulled, I'm happy to do so but I'd hate to become
>> the bottleneck on getting things done for people who
>> are attempting to do real work.
> I worry this will make everyone to touch the side of their nose and
> yell "NOT IT!" :)
> First of all, thank you so much for your efforts maintaining ION along
> with your attempts to drag out requirements from interested parties
> and the numerous attempts to get collaborative discussion going at
> countless conferences! Your persistence and continual nudging in the
> face of apathetic private users of the code probably cannot be
> appreciated enough!
> Your past practical experience with ION and active work with the
> upstream community made you a stand out pick for this, but I
> understand not wanting to be eternally stuck with a maintainership if
> your not active in the area. I'm happy to volunteer as a neutral
> party, but I worry my limited experience with some of the more
> complicated usage would make my opinions less informed then they
> probably need to be. Further, as a neutral party, Sumit would
> probably be a better pick since he's already maintaining the dmabuf
> core.

Honestly if you're doing the work to re-write everything, I
think you're more than qualified to be the maintainer. I
would also support Sumit as well.

> So I'd nominate Andrew, Liam or Benjamin (or all three?) as they all
> have more practical experience enabling past ION heaps on real devices
> and have demonstrated active interest in working in the community.

I do think this would benefit both from multiple maintainers and
from maintainers who are actively using the framework. Like I
said, I can still be a maintainer but I think having some comaintainers
would be very helpful (and I'd support any of the names you've

> So, in other words... NOT IT! :)

I think you have to shout "Noes goes" first. :)

> -john


P.S. For the benefit of anyone who's confused,

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