Patch request submitted:
https://lists.ubuntu.com/archives/kernel-team/2022-February/thread.html#128313
Updating status to 'In Progress'.
Assigning kernel entry to 'Canonical Kernel Team'.
** Changed in: ubuntu-z-systems
Status: New => In Progress
** Changed in: linux (Ubuntu)
Status: New => In Progress
** Changed in: linux (Ubuntu)
Assignee: Skipper Bug Screeners (skipper-screen-team) => Canonical Kernel
Team (canonical-kernel-team)
** Information type changed from Private to Public
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https://bugs.launchpad.net/bugs/1853152
Title:
[22.04 FEAT] In-kernel crypto: SIMD implementation of chacha20
Status in Ubuntu on IBM z Systems:
In Progress
Status in linux package in Ubuntu:
In Progress
Bug description:
Recent kernel releases provide support for the chacha20 cipher and among
others use it to compute pseudo random numbers for /dev/urandom.
Chacha20 is a type of algorithm that can be accelerated using SIMD
instructions. The goal of this item is to use z System SIMD instruction to
implement chacha20.
Will be made available earliest for kernel >=5.6. Mean, request for
integration if backport is possible for 20.04
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