From: Peter Zijlstra <peterz@infradead.org>
To: Yuri Andriaccio <yurand2000@gmail.com>
Cc: 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,
Luca Abeni <luca.abeni@santannapisa.it>,
Yuri Andriaccio <yuri.andriaccio@santannapisa.it>
Subject: Re: [RFC PATCH v5 19/29] sched/rt: Remove support for cgroups-v1
Date: Tue, 5 May 2026 17:01:44 +0200 [thread overview]
Message-ID: <20260505150144.GE3102624@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <20260430213835.62217-20-yurand2000@gmail.com>
On Thu, Apr 30, 2026 at 11:38:23PM +0200, Yuri Andriaccio wrote:
> Disable control files for cgroups-v1, and allow only cgroups-v2.
> This should simplify maintaining the code, since cgroups-v1 are deprecated.
So while I love seeing all this code go away; I very much doubt we can
pull this off. People might actually be using this.
I think at best we can hide the whole cgroup-v1 thing behind a CONFIG
and eventually remove once no distro is left using it or something like
that :/
next prev parent reply other threads:[~2026-05-05 15:01 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-30 21:38 [RFC PATCH v5 00/29] Hierarchical Constant Bandwidth Server Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 01/29] sched/deadline: Fix replenishment logic for non-deferred servers Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 02/29] sched/deadline: Do not access dl_se->rq directly Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 03/29] sched/deadline: Distinguish between dl_rq and my_q Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 04/29] sched/rt: Pass an rt_rq instead of an rq where needed Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 05/29] sched/rt: Move functions from rt.c to sched.h Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 06/29] sched/rt: Disable RT_GROUP_SCHED Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 07/29] sched/rt: Remove unnecessary runqueue pointer in struct rt_rq Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 08/29] sched/rt: Introduce HCBS specific structs in task_group Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 09/29] sched/core: Initialize HCBS specific structures Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 10/29] sched/deadline: Add dl_init_tg Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 11/29] sched/rt: Add {alloc/unregister/free}_rt_sched_group Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 12/29] sched/deadline: Account rt-cgroups bandwidth in deadline tasks schedulability tests Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 13/29] sched/rt: Implement dl-server operations for rt-cgroups Yuri Andriaccio
2026-05-05 13:04 ` Peter Zijlstra
2026-04-30 21:38 ` [RFC PATCH v5 14/29] sched/rt: Update task event callbacks for HCBS scheduling Yuri Andriaccio
2026-05-05 13:16 ` Peter Zijlstra
2026-04-30 21:38 ` [RFC PATCH v5 15/29] sched/rt: Update rt-cgroup schedulability checks Yuri Andriaccio
2026-05-05 14:36 ` Peter Zijlstra
2026-04-30 21:38 ` [RFC PATCH v5 16/29] sched/rt: Allow zeroing the runtime of the root control group Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 17/29] sched/rt: Remove old RT_GROUP_SCHED data structures Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 18/29] sched/core: Cgroup v2 support Yuri Andriaccio
2026-05-05 14:59 ` Peter Zijlstra
2026-04-30 21:38 ` [RFC PATCH v5 19/29] sched/rt: Remove support for cgroups-v1 Yuri Andriaccio
2026-05-05 15:01 ` Peter Zijlstra [this message]
2026-04-30 21:38 ` [RFC PATCH v5 20/29] sched/deadline: Allow deeper hierarchies of RT cgroups Yuri Andriaccio
2026-05-05 15:15 ` Peter Zijlstra
2026-05-05 19:56 ` Tejun Heo
2026-04-30 21:38 ` [RFC PATCH v5 21/29] sched/rt: Update default bandwidth for real-time tasks to ONE Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 22/29] sched/rt: Add rt-cgroup migration functions Yuri Andriaccio
2026-05-05 15:20 ` Peter Zijlstra
2026-05-05 15:24 ` Peter Zijlstra
2026-04-30 21:38 ` [RFC PATCH v5 23/29] sched/rt: Hook HCBS " Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 24/29] sched/core: Execute enqueued balance callbacks when changing allowed CPUs Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 25/29] sched/rt: Try pull task on empty server pick Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 26/29] sched/core: Execute enqueued balance callbacks after migrate_disable_switch Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 27/29] Documentation: Update documentation for real-time cgroups Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 28/29] sched/rt: Add debug BUG_ONs for pre-migration code Yuri Andriaccio
2026-04-30 21:38 ` [RFC PATCH v5 29/29] sched/rt: Add debug BUG_ONs in migration code Yuri Andriaccio
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