linux-kernel - Re: [PATCH] selftests: cgroup: Make test

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Message-ID: <aK8tqDoouuFmaYb7@slm.duckdns.org>
Date: Wed, 27 Aug 2025 06:09:12 -1000
From: Tejun Heo <tj@...nel.org>
To: Michal Koutný <mkoutny@...e.com>
Cc: cgroups@...r.kernel.org, linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Sebastian Chlad <sebastian.chlad@...e.com>,
	Johannes Weiner <hannes@...xchg.org>, Shuah Khan <shuah@...nel.org>
Subject: Re: [PATCH] selftests: cgroup: Make test_pids backwards compatible

On Wed, Aug 27, 2025 at 05:53:00PM +0200, Michal Koutný wrote:
> The predicates in test expect event counting from 73e75e6fc352b
> ("cgroup/pids: Separate semantics of pids.events related to pids.max")
> and the test would fail on older kernels. We want to have one version of
> tests for all, so detect the feature and skip the test on old kernels.
> (The test could even switch to check v1 semantics based on the flag but
> keep it simple for now.)
> 
> Fixes: 9f34c566027b6 ("selftests: cgroup: Add basic tests for pids controller")
> Signed-off-by: Michal Koutný <mkoutny@...e.com>
> Tested-by: Sebastian Chlad <sebastian.chlad@...e.com>

Applied to cgroup/for-6.18.

Thanks.

-- 
tejun