On Fri, Jul 11, 2025 at 03:10:44PM +0200, Michal Koutný wrote: > Hello Ben. > > On Wed, Jul 09, 2025 at 08:22:09PM +0200, Ben Hutchings > <[email protected]> wrote: > > Would you consider reverting this change for the sake of compatibility? > > As you write, it's not fatally broken and it may be "just" an issue of > container images that got no fresh rebuild. (And I think it should be > generally discouraged running containers with stale deps in them.) > > The original patch would mainly serve legacy userspace (host) setups on > top of contemporary kernel (besides API purity reasons). Admittedly, > these should be rare and eventually extinct in contrast with your > example where it's a containerized userspace (which typically could do > no cgroup setup) that may still have some user demand. > > So, I'd be more confident with the revert if such an adjustment was > carried downstream by some distro and proven its viability first. Do you > know of any in the wild?
I think we still want to deprecate /proc/cgroups but given that there are impacted users maybe we can bring it back under a boottime param w/ warning? Thanks. -- tejun

