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Date: Tue, 12 May 2026 08:19:02 -1000
Message-ID: <b549b3cb062f2823ba6d4723b7b9260b@kernel.org>
From: Tejun Heo <tj@kernel.org>
To: Yuri Andriaccio <yuri.andriaccio@santannapisa.it>
Cc: luca abeni <luca.abeni@santannapisa.it>,
 Peter Zijlstra <peterz@infradead.org>,
 Yuri Andriaccio <yurand2000@gmail.com>,
 Ingo Molnar <mingo@redhat.com>,
 Juri Lelli <juri.lelli@redhat.com>,
 Vincent Guittot <vincent.guittot@linaro.org>,
 Dietmar Eggemann <dietmar.eggemann@arm.com>,
 Steven Rostedt <rostedt@goodmis.org>,
 Ben Segall <bsegall@google.com>,
 Mel Gorman <mgorman@suse.de>,
 Valentin Schneider <vschneid@redhat.com>,
 linux-kernel@vger.kernel.org,
 hannes@cmpxchg.org,
 mkoutny@suse.com,
 cgroups@vger.kernel.org
Subject: Re: [RFC PATCH v5 20/29] sched/deadline: Allow deeper hierarchies
 of RT cgroups
In-Reply-To: <c446b9be-38d7-425c-9ca8-eda721fe1c9e@santannapisa.it>
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Hello,

How is a delegated subtree prevented from setting cpu.rt.min = 'root' and
escaping its ancestors' cpu.rt.max budget?

Thanks.

--
tejun