[RFC] Add BPF_PROG_TYPE_CGROUP_IOCTL
y2kenny at gmail.com
Mon Feb 1 16:47:38 UTC 2021
On Mon, Feb 1, 2021 at 9:49 AM Daniel Vetter <daniel at ffwll.ch> wrote:
> - there's been a pile of cgroups proposal to manage gpus at the drm
> subsystem level, some by Kenny, and frankly this at least looks a bit
> like a quick hack to sidestep the consensus process for that.
No Daniel, this is quick *draft* to get a conversation going. Bpf was
actually a path suggested by Tejun back in 2018 so I think you are
mischaracterizing this quite a bit.
"2018-11-20 Kenny Ho:
To put the questions in more concrete terms, let say a user wants to
expose certain part of a gpu to a particular cgroup similar to the
way selective cpu cores are exposed to a cgroup via cpuset, how
should we go about enabling such functionality?
2018-11-20 Tejun Heo:
Do what the intel driver or bpf is doing? It's not difficult to hook
into cgroup for identification purposes."
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