FS#67585 - [linux] deprecated option set in config, by design or oversight?

Attached to Project: Arch Linux
Opened by John (graysky) - Saturday, 15 August 2020, 10:30 GMT
Last edited by Andreas Radke (AndyRTR) - Tuesday, 01 March 2022, 21:28 GMT
Task Type Bug Report
Category Packages: Core
Status Closed
Assigned To Tobias Powalowski (tpowa)
Jan Alexander Steffens (heftig)
Levente Polyak (anthraxx)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

The config that 5.8.1-1 is using sets a deprecated option and I am wondering if it is by design or an oversight.

CONFIG_MICROCODE_OLD_INTERFACE=y

In the config, go to: Processor type and features>Ancient loading interface (DEPRECATED)

The text reads:
DO NOT USE THIS! This is the ancient /dev/cpu/microcode interface which was used by userspace tools like iucode_tool and microcode.ctl. It is inadequate because it runs too late to be able to properly load microcode on a machine and it needs special tools. Instead, you should've switched to the early loading method with the initrd or uiltin microcode by now: Documentation/x86/microcode.rst
This task depends upon

Closed by  Andreas Radke (AndyRTR)
Tuesday, 01 March 2022, 21:28 GMT
Reason for closing:  Fixed
Additional comments about closing:  Reverted back to default. Fixed upstream.
Comment by Jan Alexander Steffens (heftig) - Saturday, 15 August 2020, 23:22 GMT
AFAICT we still ship at least amd-ucode firmware (also) in a form that can be loaded late.

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