** Package changed: kernel-package (Ubuntu) => linux (Ubuntu)
** Also affects: ubuntu-power-systems
Importance: Undecided
Status: New
** Changed in: ubuntu-power-systems
Importance: Undecided => Medium
** Changed in: ubuntu-power-systems
Assignee: (unassigned) => Canonical Kernel Team (canonical-kernel-team)
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https://bugs.launchpad.net/bugs/1792957
Title:
Provide mode where all vCPUs on a core must be the same VM
Status in The Ubuntu-power-systems project:
New
Status in linux package in Ubuntu:
New
Bug description:
== Comment: #0 - Leonardo Augusto Guimaraes Garcia <lagar...@br.ibm.com> -
2018-09-13 07:12:48 ==
+++ This bug was initially created as a clone of Bug #171443 +++
Please, add the following patch:
http://patchwork.ozlabs.org/patch/968786/
which adds a mode where all vCPUs on a core must be the same VM on
POWER8 and POWER9.
This is intended for use in security-conscious settings where users
are concerned about possible side-channel attacks between threads
which could perhaps enable one VM to attack another VM on the same
core, or the host.
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