| 2014-12-02 22:38:51 |
Craig Magina |
bug |
|
|
added bug |
| 2014-12-02 22:44:08 |
Craig Magina |
summary |
arm64: optimized copy_to_user and copy_from_user assembly code patch causing unhandled pagefaults |
Revert arm64: optimized copy_to_user and copy_from_user assembly code |
|
| 2014-12-02 22:51:52 |
Craig Magina |
description |
The initial report of the issue can be found here:
http://www.spinics.net/lists/arm-kernel/msg381811.html |
[Impact]
Fixes an issue where the kernel hits unhandled pagefaults when copy_to_user is called.
http://www.spinics.net/lists/arm-kernel/msg381811.html
[Test Case]
Put the system under memory pressure.
[Regression Potential]
It will cause a performance regression on certain workloads on arm64 systems. |
|
| 2014-12-02 22:52:04 |
Craig Magina |
summary |
Revert arm64: optimized copy_to_user and copy_from_user assembly code |
[Revert] arm64: optimized copy_to_user and copy_from_user assembly code |
|
| 2014-12-02 23:00:09 |
Brad Figg |
linux (Ubuntu): status |
New |
Incomplete |
|
| 2014-12-03 15:51:05 |
dann frazier |
nominated for series |
|
Ubuntu Utopic |
|
| 2014-12-03 15:51:05 |
dann frazier |
bug task added |
|
linux (Ubuntu Utopic) |
|
| 2014-12-03 15:51:05 |
dann frazier |
nominated for series |
|
Ubuntu Trusty |
|
| 2014-12-03 15:51:05 |
dann frazier |
bug task added |
|
linux (Ubuntu Trusty) |
|
| 2014-12-03 16:39:12 |
Craig Magina |
linux (Ubuntu): status |
Incomplete |
Confirmed |
|
| 2014-12-03 17:36:40 |
Joseph Salisbury |
linux (Ubuntu Trusty): importance |
Undecided |
Medium |
|
| 2014-12-03 17:36:42 |
Joseph Salisbury |
linux (Ubuntu Utopic): importance |
Undecided |
Medium |
|
| 2014-12-03 17:36:44 |
Joseph Salisbury |
linux (Ubuntu): importance |
Undecided |
Medium |
|
| 2014-12-03 17:37:05 |
Joseph Salisbury |
tags |
|
kernel-da-key trusty utopic |
|
| 2014-12-03 17:37:59 |
Joseph Salisbury |
linux (Ubuntu Trusty): status |
New |
Triaged |
|
| 2014-12-03 17:38:01 |
Joseph Salisbury |
linux (Ubuntu Utopic): status |
New |
Triaged |
|
| 2014-12-03 17:38:03 |
Joseph Salisbury |
linux (Ubuntu): status |
Confirmed |
Triaged |
|
| 2014-12-04 19:02:50 |
Andrew Cloke |
tags |
kernel-da-key trusty utopic |
hs-arm64 kernel-da-key trusty utopic |
|
| 2014-12-16 21:29:16 |
Launchpad Janitor |
branch linked |
|
lp:ubuntu/trusty-proposed/linux-keystone |
|
| 2014-12-17 19:10:59 |
Launchpad Janitor |
branch linked |
|
lp:ubuntu/precise-proposed/linux-lts-trusty |
|
| 2014-12-17 20:21:59 |
Launchpad Janitor |
branch linked |
|
lp:ubuntu/trusty-proposed/linux-lts-utopic |
|
| 2014-12-19 17:38:42 |
Brad Figg |
tags |
hs-arm64 kernel-da-key trusty utopic |
hs-arm64 kernel-da-key trusty utopic verification-needed-trusty |
|
| 2014-12-19 17:40:06 |
Brad Figg |
tags |
hs-arm64 kernel-da-key trusty utopic verification-needed-trusty |
hs-arm64 kernel-da-key trusty utopic verification-needed-trusty verification-needed-utopic |
|
| 2015-01-05 15:18:16 |
Craig Magina |
tags |
hs-arm64 kernel-da-key trusty utopic verification-needed-trusty verification-needed-utopic |
hs-arm64 kernel-da-key trusty utopic verification-done-trusty verification-done-utopic |
|
| 2015-01-07 01:44:58 |
Launchpad Janitor |
linux (Ubuntu): status |
Triaged |
Fix Released |
|
| 2015-01-07 01:44:58 |
Launchpad Janitor |
cve linked |
|
2014-8134 |
|
| 2015-01-12 15:41:50 |
Launchpad Janitor |
linux (Ubuntu Utopic): status |
Triaged |
Fix Released |
|
| 2015-01-12 15:44:28 |
Launchpad Janitor |
linux (Ubuntu Trusty): status |
Triaged |
Fix Released |
|
