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Thu, 31 Jul 2025 03:55:57 -0700 (PDT) Received: from victus-lab ([193.205.81.5]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3b79c4696c8sm1946025f8f.55.2025.07.31.03.55.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 31 Jul 2025 03:55:57 -0700 (PDT) From: Yuri Andriaccio To: Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider Cc: linux-kernel@vger.kernel.org, Luca Abeni , Yuri Andriaccio Subject: [RFC PATCH v2 17/25] sched/rt: Remove support for cgroups-v1 Date: Thu, 31 Jul 2025 12:55:35 +0200 Message-ID: <20250731105543.40832-18-yurand2000@gmail.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250731105543.40832-1-yurand2000@gmail.com> References: <20250731105543.40832-1-yurand2000@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Disable control files for cgroups-v1, and allow only cgroups-v2. This should simplify maintaining the code, also because cgroups-v1 are deprecated. Signed-off-by: Yuri Andriaccio --- kernel/sched/core.c | 18 ------------------ 1 file changed, 18 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 465f44d7235..85950e10bb1 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -10039,20 +10039,6 @@ static struct cftype cpu_legacy_files[] =3D { }; =20 #ifdef CONFIG_RT_GROUP_SCHED -static struct cftype rt_group_files[] =3D { - { - .name =3D "rt_runtime_us", - .read_s64 =3D cpu_rt_runtime_read, - .write_s64 =3D cpu_rt_runtime_write, - }, - { - .name =3D "rt_period_us", - .read_u64 =3D cpu_rt_period_read_uint, - .write_u64 =3D cpu_rt_period_write_uint, - }, - { } /* Terminate */ -}; - # ifdef CONFIG_RT_GROUP_SCHED_DEFAULT_DISABLED DEFINE_STATIC_KEY_FALSE(rt_group_sched); # else @@ -10078,10 +10064,6 @@ __setup("rt_group_sched=3D", setup_rt_group_sched); =20 static int __init cpu_rt_group_init(void) { - if (!rt_group_sched_enabled()) - return 0; - - WARN_ON(cgroup_add_legacy_cftypes(&cpu_cgrp_subsys, rt_group_files)); return 0; } subsys_initcall(cpu_rt_group_init); --=20 2.50.1