kernel-packages team mailing list archive

[Chris J Arges <1464560@xxxxxxxxxxxxxxxxxx>]

Ok so I'll push the vivid(3.19) SRU out first, but for utopic(3.16) I
think a bit more help is required. In order to prepare to cherry-pick
d800ba1 (since it is moving a bunch of code into a new file), I wanted
to be sure not to lose any of the other cherry-picked features we added.
So I came up with the following patches needed before-hand (which adds
other features... and makes me a bit nervous):

6d626c5e
5b642340
d9df1b5d
d1a85eee
1212aa1c
16b1d26e

However even with that when I cherry-pick the rest of the series, I get
a ton of conflicts.

Any advice would be helpful here, I don't want to lose any features we
have in 3.16, nor cause regression. We don't require clean cherry-picks,
but I'd like to make things as easy as possible for future cherry-picks
and fixes.

Our current utopic tree is here (branch master-next for the latest):
http://kernel.ubuntu.com/git/ubuntu/ubuntu-utopic.git/

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https://bugs.launchpad.net/bugs/1464560

Title:
  Backport request: include PRD support for OpenPower kernels

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Utopic:
  In Progress
Status in linux source package in Vivid:
  In Progress

Bug description:
  [Impact]

  Following up on patches that were skipped in bug 1439562, this request
  is for the PRD (Processor Runtime Diagnostics) support in the ppc64le
  kernel.

  [Fix]

  d800ba1 powerpc/powernv: Move OPAL API definitions to opal-api.h
  d7cf83f powerpc/powernv: Move opal-api.h closer to the Skiboot version
  ed59190 powerpc/powernv: Add interfaces for flash device access
  1cbb4a1 mtd: powernv: Add powernv flash MTD abstraction driver
  48c0615 powerpc/powernv: Merge common platform device initialisation
  594fcb9 powerpc/powernv: Expose OPAL APIs required by PRD interface
  646b54f powerpc/powernv: Remove powernv RTAS support
  0d7cd85 powerpc/powernv: Add opal-prd channel
  7185795 powerpc/powernv: fix construction of opal PRD messages
  cdf2bc1 powerpc/include: Add opal-prd to installed uapi headers
  d8ea782 powerpc/powernv: Fix vma page prot flags in opal-prd driver

  All commits are in at most v4.2
  Plus config changes.

  [Test Case]

  'modprobe opal_prb' and use PRD support.

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