** Changed in: intel
Status: Triaged => Fix Released
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https://bugs.launchpad.net/bugs/1786139
Title:
[GLK/CLX] Enhanced IBRS
Status in intel:
Fix Released
Status
Disco is based on a 5.0 upstream kernel so it has enhanced IBRS support.
** Changed in: linux (Ubuntu Disco)
Status: Fix Committed => Fix Released
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This bug was fixed in the package linux - 4.4.0-140.166
---
linux (4.4.0-140.166) xenial; urgency=medium
* linux: 4.4.0-140.166 -proposed tracker (LP: #1802776)
* Bypass of mount visibility through userns + mount propagation (LP: #1789161)
- mount: Retest MNT_LOCKED in
This bug was fixed in the package linux - 4.15.0-42.45
---
linux (4.15.0-42.45) bionic; urgency=medium
* linux: 4.15.0-42.45 -proposed tracker (LP: #1803592)
* [FEAT] Guest-dedicated Crypto Adapters (LP: #1787405)
- KVM: s390: reset crypto attributes for all vcpus
- KVM:
This bug was fixed in the package linux - 4.18.0-12.13
---
linux (4.18.0-12.13) cosmic; urgency=medium
* linux: 4.18.0-12.13 -proposed tracker (LP: #1802743)
* [FEAT] Guest-dedicated Crypto Adapters (LP: #1787405)
- s390/zcrypt: Add ZAPQ inline function.
- s390/zcrypt:
I've verified the [Test Case] for older processors that do not support
Enhanced IBRS. I've asked Intel if they'd be able to verify the this fix
on the latest processors that support Enhanced IBRS but I don't feel
like that should be a blocker.
** Tags removed: verification-needed-bionic
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
xenial' to 'verification-done-xenial'. If the problem still exists,
change the tag
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
cosmic' to 'verification-done-cosmic'. If the problem still exists,
change the tag
** Changed in: linux (Ubuntu Cosmic)
Status: In Progress => Fix Committed
** Changed in: linux (Ubuntu Cosmic)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Bionic)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Xenial)
Importance: Undecided =>
** Tags removed: intel-kernel-18.10
** Tags added: intel-kernel-19.04
** Description changed:
Description:
[Impact]
Future Intel CPU's like Cascade Lake and GLK+ support Enhanced IBRS.
Enhanced IBRS is a H/W mitigation technique for Spectre V2 bug. So, it's
important for us to
** Description changed:
Description:
+
+ [Impact]
Future Intel CPU's like Cascade Lake and GLK+ support Enhanced IBRS.
Enhanced IBRS is a H/W mitigation technique for Spectre V2 bug. So, it's
important for us to make sure that all the OSV's are using this feature.
The patch that
I've marked the Ubuntu 14.04 LTS (Trusty) task as Won't Fix. The
backport is not nearly as simple as the other releases and I don't feel
like the risk of regression is worth it on that release considering that
this is a new hardware enablement type of a feature and Ubuntu 14.04 LTS
only has 6
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1786139
Title:
[GLK/CLX] Enhanced IBRS
Status in intel:
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