From: Yonghong Song <yhs@fb.com>
To: Roman Gushchin <guro@fb.com>, Alexei Starovoitov <ast@kernel.org>,
"bpf@vger.kernel.org" <bpf@vger.kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
Tejun Heo <tj@kernel.org>, Kernel Team <Kernel-team@fb.com>,
"cgroups@vger.kernel.org" <cgroups@vger.kernel.org>,
Stanislav Fomichev <sdf@fomichev.me>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 bpf-next 0/4] cgroup bpf auto-detachment
Date: Thu, 23 May 2019 05:17:05 +0000 [thread overview]
Message-ID: <0403d453-c003-c823-cf57-28d200a6e40a@fb.com> (raw)
In-Reply-To: <20190522232051.2938491-1-guro@fb.com>
On 5/22/19 4:20 PM, Roman Gushchin wrote:
> This patchset implements a cgroup bpf auto-detachment functionality:
> bpf programs are attached as soon as possible after removal of the
typo here "attached" => "detached"?
> cgroup, without waiting for the release of all associated resources.
>
> Patches 2 and 3 are required to implement a corresponding kselftest
> in patch 4.
>
> v2:
> 1) removed a bogus check in patch 4
> 2) moved buf[len] = 0 in patch 2
>
>
> Roman Gushchin (4):
> bpf: decouple the lifetime of cgroup_bpf from cgroup itself
> selftests/bpf: convert test_cgrp2_attach2 example into kselftest
> selftests/bpf: enable all available cgroup v2 controllers
> selftests/bpf: add auto-detach test
>
> include/linux/bpf-cgroup.h | 8 +-
> include/linux/cgroup.h | 18 +++
> kernel/bpf/cgroup.c | 25 ++-
> kernel/cgroup/cgroup.c | 11 +-
> samples/bpf/Makefile | 2 -
> tools/testing/selftests/bpf/Makefile | 4 +-
> tools/testing/selftests/bpf/cgroup_helpers.c | 57 +++++++
> .../selftests/bpf/test_cgroup_attach.c | 145 ++++++++++++++++--
> 8 files changed, 243 insertions(+), 27 deletions(-)
> rename samples/bpf/test_cgrp2_attach2.c => tools/testing/selftests/bpf/test_cgroup_attach.c (79%)
>
prev parent reply other threads:[~2019-05-23 5:17 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-22 23:20 [PATCH v2 bpf-next 0/4] cgroup bpf auto-detachment Roman Gushchin
2019-05-22 23:20 ` [PATCH v2 bpf-next 1/4] bpf: decouple the lifetime of cgroup_bpf from cgroup itself Roman Gushchin
2019-05-23 5:33 ` Yonghong Song
2019-05-22 23:20 ` [PATCH v2 bpf-next 2/4] selftests/bpf: convert test_cgrp2_attach2 example into kselftest Roman Gushchin
2019-05-23 5:39 ` Yonghong Song
2019-05-22 23:20 ` [PATCH v2 bpf-next 3/4] selftests/bpf: enable all available cgroup v2 controllers Roman Gushchin
2019-05-23 5:45 ` Yonghong Song
2019-05-22 23:20 ` [PATCH v2 bpf-next 4/4] selftests/bpf: add auto-detach test Roman Gushchin
2019-05-23 5:47 ` Yonghong Song
2019-05-23 17:58 ` Roman Gushchin
2019-05-23 23:06 ` Yonghong Song
2019-05-23 5:52 ` Yonghong Song
2019-05-23 5:17 ` Yonghong Song [this message]
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