From: patchwork-bot+netdevbpf@kernel.org
To: Qiliang Yuan <odys.yuan@gmail.com>
Cc: andrii@kernel.org, eddyz87@gmail.com, ihor.solodrai@linux.dev,
ast@kernel.org, daniel@iogearbox.net, memxor@gmail.com,
martin.lau@linux.dev, song@kernel.org, yonghong.song@linux.dev,
jolsa@kernel.org, emil@etsalapatis.com, shuah@kernel.org,
yosry@kernel.org, haoluo@google.com, bpf@vger.kernel.org,
linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH bpf-next v2 0/2] selftests/bpf: Fix the bpffs handling of cgroup_hierarchical_stats
Date: Fri, 16 Oct 2026 03:00:05 +0000 [thread overview]
Message-ID: <179211960551.30782.10876178060857722550.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20261009-selftests-bpf-cgroup-stats-bpffs-v2-0-f93a111da992@gmail.com>
Hello:
This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:
On Fri, 09 Oct 2026 10:04:36 +0800 you wrote:
> cgroup_hierarchical_stats mounts a bpffs on /sys/fs/bpf to pin its
> iterators, then moves into a private mount namespace to set up its
> cgroups, and unmounts the bpffs in the end if it mounted it itself.
>
> The bpffs lands in the mount namespace shared with the tests running
> in parallel, on top of the one already there, and hides what they pin,
> which makes bpftool_maps_access and bpftool_metadata fail now and then.
> The unmount can't remove it from there, and it checks the other way
> around whether the test mounted a bpffs anyway.
>
> [...]
Here is the summary with links:
- [bpf-next,v2,1/2] selftests/bpf: Keep the bpffs of cgroup_hierarchical_stats private
https://git.kernel.org/bpf/bpf-next/c/3c824dfd17e6
- [bpf-next,v2,2/2] selftests/bpf: Unmount the bpffs that cgroup_hierarchical_stats mounted
https://git.kernel.org/bpf/bpf-next/c/e0645cfd0e1b
You are awesome, thank you!
--
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prev parent reply other threads:[~2026-10-16 3:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-09 2:04 [PATCH bpf-next v2 0/2] selftests/bpf: Fix the bpffs handling of cgroup_hierarchical_stats Qiliang Yuan
2026-10-09 2:04 ` [PATCH bpf-next v2 1/2] selftests/bpf: Keep the bpffs of cgroup_hierarchical_stats private Qiliang Yuan
2026-10-09 2:12 ` sashiko-bot
2026-10-09 2:04 ` [PATCH bpf-next v2 2/2] selftests/bpf: Unmount the bpffs that cgroup_hierarchical_stats mounted Qiliang Yuan
2026-10-09 2:14 ` sashiko-bot
2026-10-16 3:00 ` patchwork-bot+netdevbpf [this message]
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