This is a note to let you know that I've just added the patch titled cgroup/cpuset: Rename functions dealing with DEADLINE accounting to the 5.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: cgroup-cpuset-rename-functions-dealing-with-deadline-accounting.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From stable-owner@xxxxxxxxxxxxxxx Sun Aug 20 17:26:25 2023 From: Qais Yousef <qyousef@xxxxxxxxxxx> Date: Sun, 20 Aug 2023 16:22:53 +0100 Subject: cgroup/cpuset: Rename functions dealing with DEADLINE accounting To: stable@xxxxxxxxxxxxxxx Cc: Juri Lelli <juri.lelli@xxxxxxxxxx>, Waiman Long <longman@xxxxxxxxxx>, Tejun Heo <tj@xxxxxxxxxx>, Dietmar Eggemann <dietmar.eggemann@xxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Vincent Guittot <vincent.guittot@xxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Hao Luo <haoluo@xxxxxxxxxx>, John Stultz <jstultz@xxxxxxxxxx>, cgroups@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Qais Yousef <qyousef@xxxxxxxxxxx> Message-ID: <20230820152258.518128-2-qyousef@xxxxxxxxxxx> From: Juri Lelli <juri.lelli@xxxxxxxxxx> commit ad3a557daf6915296a43ef97a3e9c48e076c9dd8 upstream. rebuild_root_domains() and update_tasks_root_domain() have neutral names, but actually deal with DEADLINE bandwidth accounting. Rename them to use 'dl_' prefix so that intent is more clear. No functional change. Suggested-by: Qais Yousef (Google) <qyousef@xxxxxxxxxxx> Signed-off-by: Juri Lelli <juri.lelli@xxxxxxxxxx> Reviewed-by: Waiman Long <longman@xxxxxxxxxx> Signed-off-by: Tejun Heo <tj@xxxxxxxxxx> Signed-off-by: Qais Yousef (Google) <qyousef@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- kernel/cgroup/cpuset.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -940,7 +940,7 @@ done: return ndoms; } -static void update_tasks_root_domain(struct cpuset *cs) +static void dl_update_tasks_root_domain(struct cpuset *cs) { struct css_task_iter it; struct task_struct *task; @@ -953,7 +953,7 @@ static void update_tasks_root_domain(str css_task_iter_end(&it); } -static void rebuild_root_domains(void) +static void dl_rebuild_rd_accounting(void) { struct cpuset *cs = NULL; struct cgroup_subsys_state *pos_css; @@ -981,7 +981,7 @@ static void rebuild_root_domains(void) rcu_read_unlock(); - update_tasks_root_domain(cs); + dl_update_tasks_root_domain(cs); rcu_read_lock(); css_put(&cs->css); @@ -995,7 +995,7 @@ partition_and_rebuild_sched_domains(int { mutex_lock(&sched_domains_mutex); partition_sched_domains_locked(ndoms_new, doms_new, dattr_new); - rebuild_root_domains(); + dl_rebuild_rd_accounting(); mutex_unlock(&sched_domains_mutex); } Patches currently in stable-queue which might be from stable-owner@xxxxxxxxxxxxxxx are queue-5.15/cgroup-cpuset-free-dl-bw-in-case-can_attach-fails.patch queue-5.15/sched-cpuset-keep-track-of-sched_deadline-task-in-cpusets.patch queue-5.15/cgroup-cpuset-rename-functions-dealing-with-deadline-accounting.patch queue-5.15/cgroup-cpuset-iterate-only-if-deadline-tasks-are-present.patch queue-5.15/sched-cpuset-bring-back-cpuset_mutex.patch queue-5.15/sched-deadline-create-dl-bw-alloc-free-check-overflow-interface.patch