From: Tejun Heo <tj@kernel.org>
To: Martin KaFai Lau <martin.lau@linux.dev>
Cc: Yosry Ahmed <yosryahmed@google.com>,
cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
bpf@vger.kernel.org, Zefan Li <lizefan.x@bytedance.com>,
Johannes Weiner <hannes@cmpxchg.org>, Yonghong Song <yhs@fb.com>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>, Song Liu <song@kernel.org>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
Stanislav Fomichev <sdf@google.com>, Hao Luo <haoluo@google.com>,
Jiri Olsa <jolsa@kernel.org>
Subject: Re: [PATCH v2 2/2] bpf: cgroup_iter: support cgroup1 using cgroup fd
Date: Tue, 11 Oct 2022 06:49:18 -1000 [thread overview]
Message-ID: <Y0WejttpkBmM3yr2@slm.duckdns.org> (raw)
In-Reply-To: <2ba0ee79-2e7e-6807-3312-1a2c5ef3bae0@linux.dev>
On Tue, Oct 11, 2022 at 09:46:27AM -0700, Martin KaFai Lau wrote:
> On 10/10/22 5:33 PM, Yosry Ahmed wrote:
> > Use cgroup_v1v2_get_from_fd() in cgroup_iter to support attaching to
> > both cgroup v1 and v2 using fds.
> >
> > Signed-off-by: Yosry Ahmed <yosryahmed@google.com>
> > ---
> > kernel/bpf/cgroup_iter.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/kernel/bpf/cgroup_iter.c b/kernel/bpf/cgroup_iter.c
> > index 0d200a993489..9fcf09f2ef00 100644
> > --- a/kernel/bpf/cgroup_iter.c
> > +++ b/kernel/bpf/cgroup_iter.c
> > @@ -196,7 +196,7 @@ static int bpf_iter_attach_cgroup(struct bpf_prog *prog,
> > return -EINVAL;
> > if (fd)
> > - cgrp = cgroup_get_from_fd(fd);
> > + cgrp = cgroup_v1v2_get_from_fd(fd);
>
> Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
>
> Tejun, patch 1 should depend on a recent revert that is not in the bpf tree
> yet. Do you want to take this set to the cgroup tree?
Yeah, will do.
Thanks.
--
tejun
next prev parent reply other threads:[~2022-10-11 16:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-11 0:33 [PATCH v2 0/2] Support cgroup1 in get from fd/file interfaces Yosry Ahmed
2022-10-11 0:33 ` [PATCH v2 1/2] cgroup: add cgroup_v1v2_get_from_[fd/file]() Yosry Ahmed
2022-10-11 0:33 ` [PATCH v2 2/2] bpf: cgroup_iter: support cgroup1 using cgroup fd Yosry Ahmed
2022-10-11 16:46 ` Martin KaFai Lau
2022-10-11 16:49 ` Tejun Heo [this message]
2022-10-11 16:51 ` [PATCH v2 0/2] Support cgroup1 in get from fd/file interfaces Tejun Heo
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