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Re: [RFC PATCH 00/12] Ion cleanup in preparation for moving out of staging

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Le mardi 14 mars 2017 à 15:47 +0100, Benjamin Gaignard a écrit :
> Should we use /devi/ion/$heap instead of /dev/ion_$heap ?
> I think it would be easier for user to look into one directory rather
> then in whole /dev to find the heaps
> 
> > is that we don't have to worry about a limit of 32 possible
> > heaps per system (32-bit heap id allocation field). But dealing
> > with an ioctl seems easier than names. Userspace might be less
> > likely to hardcode random id numbers vs. names as well.
> 
> In the futur I think that heap type will be replaced by a "get caps"
> ioctl which will
> describe heap capabilities. At least that is my understanding of
> kernel part
> of "unix memory allocator" project

I think what we really need from userspace point of view, is the
ability to find a compatible heap for a set of drivers. And this
without specific knowledge of the drivers.

Nicolas

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Re: [RFC PATCH 00/12] Ion cleanup in preparation for moving out of staging Benjamin Gaignard <benjamin.gaignard@linaro.org> - 2017-03-14 15:50 +0100
  Re: [RFC PATCH 00/12] Ion cleanup in preparation for moving out of  staging Laura Abbott <labbott@redhat.com> - 2017-03-14 20:50 +0100
  Re: [RFC PATCH 00/12] Ion cleanup in preparation for moving out of  staging Nicolas Dufresne <nicolas@ndufresne.ca> - 2017-03-14 21:30 +0100

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