linux-kernel - Re: [PATCH] selftests: cgroup: skip test_cgcore_lesser_ns_open when cgroup2 mounted without nsdelegate

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Date: Wed, 3 Apr 2024 09:42:54 -1000
From: Tejun Heo <tj@...nel.org>
To: Tianchen Ding <dtcccc@...ux.alibaba.com>
Cc: linux-kernel@...r.kernel.org, Zefan Li <lizefan.x@...edance.com>,
	Johannes Weiner <hannes@...xchg.org>, Shuah Khan <shuah@...nel.org>,
	cgroups@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH] selftests: cgroup: skip test_cgcore_lesser_ns_open when
 cgroup2 mounted without nsdelegate

On Wed, Mar 27, 2024 at 10:44:37AM +0800, Tianchen Ding wrote:
> The test case test_cgcore_lesser_ns_open only tasks effect when cgroup2
> is mounted with "nsdelegate" mount option. If it misses this option, or
> is remounted without "nsdelegate", the test case will fail. For example,
> running bpf/test_cgroup_storage first, and then run cgroup/test_core will
> fail on test_cgcore_lesser_ns_open. Skip it if "nsdelegate" is not
> detected in cgroup2 mount options.
> 
> Fixes: bf35a7879f1d ("selftests: cgroup: Test open-time cgroup namespace usage for migration checks")
> Signed-off-by: Tianchen Ding <dtcccc@...ux.alibaba.com>

Applied to cgroup/for-6.10.

Thanks.

-- 
tejun