Android ION infrastructure upstreaming

Registered by John Stultz on 2012-09-18

This blueprint covers getting the Android ION patches into staging or usptream.

This work will likely need to be done or tightly coordinated with the Linaro graphics team.

Blueprint information

Status:
Not started
Approver:
None
Priority:
Undefined
Drafter:
None
Direction:
Needs approval
Assignee:
None
Definition:
New
Series goal:
None
Implementation:
Unknown
Milestone target:
milestone icon backlog

Related branches

Sprints

Whiteboard

jstultz 3/14/13: Took an initial look at the ion driver. It unfortunately has quite a few arm-specific dependencies. May need either some modest change to be made more arch-neutral.

(?)

Work Items

Work items for 13.03:
Submit "depends on ARM" change for CONFIG_ION to avoid build issues upstream to AOSP (merged 3/19): DONE

Work items for 13.05:
Review ION code in more detail (5/22): DONE
Discussed ION code with Jesse, Serban, Rebecca and Arnd(5/22): DONE
Squished down the 70 patch ION patchset and split it up into more logical chunks that will be more easy for folks to review (5/24): DONE
First stab at removing the kmap code (5/24): DONE

Work items for 13.06:
Fixed fwd declaration issue Arnd pointed out (6/4): DONE
Send squished down patchset to Rebecca and get her thoughts on Arnd's feedback (6/12): DONE
Get feedback & iterate on patchset: TODO
Refactor patchset for staging: TODO

Work items for backlog:
Discuss userland API w/ Rebecca to see if we can query devices for supported heap cookies, rather then having userland use hardware specific fixed heap ids: TODO

Dependency tree

* Blueprints in grey have been implemented.

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