[systemd-devel] version bump of minimal kernel version supported by systemd?

[Lennart Poettering]

On Do, 24.03.22 14:05, Zbigniew Jędrzejewski-Szmek (zbyszek at in.waw.pl) wrote:

> > Yes, that does sound like worth exploring - our README doesn't document
> > it though, do we have a list of required controllers and when they were
> > introduced?
>
> In the README:
>   Linux kernel >= 4.2 for unified cgroup hierarchy support
>   Linux kernel >= 4.10 for cgroup-bpf egress and ingress hooks
>   Linux kernel >= 4.15 for cgroup-bpf device hook
>   Linux kernel >= 4.17 for cgroup-bpf socket address hooks
>
> In this light, 4.19 is better than 4.4 or 4.9 ;)

Well, the list is not complete. i.e. the "io" controller came late
iirc. And killing and stuff too. would take some work to figure out
which features of cgroupv2 we actually make us of, and then when they
were added.

Lennart

--
Lennart Poettering, Berlin