** Changed in: ubuntu-power-systems
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1775786
Title:
Update to ocxl driver for 18.04.1
Status in The Ubuntu-power-systems project:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Bionic:
Fix Released
Bug description:
== SRU Justification ==
IBM is requesting these patches in Bionic. ocxl (opencapi) is a relatively
new driver which was added to Ubuntu 18.04; It's specific to POWER9 systems.
== Regression Potential ==
Medium. There are 10 patches, but all are limited to powerpc and the ocxl
driver.
== Test Case ==
A test kernel was built with these patches and tested by IBM.
---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 protected]> - 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()
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