Messages in this thread | | | Date | Thu, 23 Jun 2016 23:33:52 +0200 | From | Daniel Borkmann <> | Subject | Re: [PATCH net-next v2 2/4] cgroup: bpf: Add BPF_MAP_TYPE_CGROUP_ARRAY |
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On 06/23/2016 11:13 PM, Tejun Heo wrote: > Hello, > > On Thu, Jun 23, 2016 at 11:42:31AM +0200, Daniel Borkmann wrote: >> I presume it's a valid use case to pin a cgroup map, put fds into it and >> remove the pinned file expecting to continue to match on it, right? So >> lifetime is really until last prog using a cgroup map somewhere gets removed >> (even if not accessible from user space anymore, meaning no prog has fd and >> pinned file was removed). > > Yeap, from what I can see, the cgroup will stay around (even if it > gets deleted) as long as the bpf rule using it is around and that's > completely fine from cgroup side.
Ok, thanks for confirming!
> Thanks.
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