linux-kernel - Re: [PATCH] cgroup/cpuset: Disable cpuset_cpumask_can

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Message-ID: <ZzcoZj90XeYj3TzG@jlelli-thinkpadt14gen4.remote.csb>
Date: Fri, 15 Nov 2024 10:54:30 +0000
From: Juri Lelli <juri.lelli@...hat.com>
To: Waiman Long <longman@...hat.com>
Cc: Tejun Heo <tj@...nel.org>, Johannes Weiner <hannes@...xchg.org>,
	Michal Koutný <mkoutny@...e.com>,
	cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
	Phil Auld <pauld@...hat.com>
Subject: Re: [PATCH] cgroup/cpuset: Disable cpuset_cpumask_can_shrink() test
 if not load balancing

Hi Waiman,

On 14/11/24 13:19, Waiman Long wrote:
> With some recent proposed changes [1] in the deadline server code,
> it has caused a test failure in test_cpuset_prs.sh when a change
> is being made to an isolated partition. This is due to failing
> the cpuset_cpumask_can_shrink() check for SCHED_DEADLINE tasks at
> validate_change().

What sort of change is being made to that isolated partition? Which test
is failing from the test_cpuset_prs.sh collection? Asking because I now
see "All tests PASSED" running that locally (with all my 3 patches on
top of cgroup/for-6.13 w/o this last patch from you).

Thanks,
Juri