Comment 0 for bug 1775786

---Problem Description---
Update to ocxl driver

---uname output---
4.15.0-22-generic

---Additional Hardware Info---
opencapi adapter needed

 Machine Type = any POWER9 system

---Debugger---
A debugger is not configured

== Comment: #1 - Frederic Barrat <email address hidden> - 2018-06-05 03:46:00 ==
ocxl (opencapi) is a relatively new driver which was added to Ubuntu 18.04; It's specific to POWER9 systems.

We'd like to add the following 9 commits for Ubuntu 18.04.1:

The following 2 patches are already in the main linux tree:
474cca5fd894de99afc69274e8b25524ae62d7ee
misc: ocxl: use put_device() instead of device_unregister()

e7666d046ac0eda535282a5fd3b188f31d0f4afd
ocxl: Document the OCXL_IOCTL_GET_METADATA IOCTL

The remaining commits are in the powerpc-next tree and will be merged in the next merge window (i.e. in a week or so). See https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/log/?h=next

819844285ef2b5d15466f5b5062514135ffba06c
powerpc: Add TIDR CPU feature for POWER9

3449f191ca9be1a6ac9757b8ab55f239092362e5
powerpc: Use TIDR CPU feature to control TIDR allocation

71cc64a85d8d99936f6851709a07f18c87a0adab
powerpc: use task_pid_nr() for TID allocation

19df39581ce99eb1fcfb119945810c9c5bc3f8d4
ocxl: Rename pnv_ocxl_spa_remove_pe to clarify it's action

e948e06fc63a1c1e36ec4c8e5c510b881ff19c26
ocxl: Expose the thread_id needed for wait on POWER9

02a8e5bc1c06045f36423bd9632ad9f40da18d3f
ocxl: Add an IOCTL so userspace knows what OCXL features are available

721c551d31fb441ff3be701ad3be14cf6e0aca3f
ocxl: Document new OCXL IOCTLs

Another commit ID to add to the list (fixes a commit from previous list), from the 'next' tree:
2e5c93d6bb2f7bc17eb82748943a1b9f6b068520
ocxl: Fix missing unlock on error in afu_ioctl_enable_p9_wait()