On Tue, 2024-04-30 at 12:42 +0200, Salvatore Bonaccorso wrote: > Hi, > > On Tue, Apr 30, 2024 at 02:10:20AM +0500, Alex Volkov wrote: > > Source: linux > > Severity: normal > > > > Dear Maintainer, > > > > I can't see why something which can be done with a kernel boot parameter or > > a > > sysctl variable > > needs to be forced in the source since 2011. Also, the very existence of > > this > > new default is non-transparent for anyone relying on official kernel > > documentation. Is it even mentioned in any README or something? Because I > > couldn't find anything. > > It was set as such a long time ago when we enabled the option: > > https://salsa.debian.org/kernel-team/linux/-/commit/25e71bd23902b424ec9457244db24faad8b4359f > > I suspect the idea was to make it possible for users to use this new > feature, but only as a opt-in, while it was still very fresh. > > Maybe Ben remembers.
Yes that was exactly it. > But I guess we could drop the Debian specific patch. I had a look at other distribution configurations to see if CONFIG_SCHED_AUTOGROUP is sensible to enable by default: - Fedora enables it except on RT configurations - SUSE disables it - Ubuntu enables it Neither Fedora nor Ubuntu has a similar patch, though it's possible they change the default via a sysctl.conf file. So I think we should: - Drop the patch - Disable CONFIG_SCHED_AUTOGRUP on RT Ben. -- Ben Hutchings - Debian developer, member of kernel, installer and LTS teams
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