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From: Peter Zijlstra <peterz@infradead.org>
To: Qiliang Yuan <realwujing@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>,
	Thomas Gleixner <tglx@kernel.org>,
	"Paul E. McKenney" <paulmck@kernel.org>,
	Frederic Weisbecker <frederic@kernel.org>,
	Neeraj Upadhyay <neeraj.upadhyay@kernel.org>,
	Joel Fernandes <joelagnelf@nvidia.com>,
	Josh Triplett <josh@joshtriplett.org>,
	Boqun Feng <boqun.feng@gmail.com>,
	Uladzislau Rezki <urezki@gmail.com>,
	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
	Lai Jiangshan <jiangshanlai@gmail.com>,
	Zqiang <qiang.zhang@linux.dev>, Tejun Heo <tj@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Vlastimil Babka <vbabka@suse.cz>,
	Suren Baghdasaryan <surenb@google.com>,
	Michal Hocko <mhocko@suse.com>,
	Brendan Jackman <jackmanb@google.com>,
	Johannes Weiner <hannes@cmpxchg.org>, Zi Yan <ziy@nvidia.com>,
	Anna-Maria Behnsen <anna-maria@linutronix.de>,
	Ingo Molnar <mingo@kernel.org>, Shuah Khan <shuah@kernel.org>,
	linux-kernel@vger.kernel.org, rcu@vger.kernel.org,
	linux-mm@kvack.org, linux-kselftest@vger.kernel.org
Subject: Re: [PATCH 06/15] sched/core: Dynamically update scheduler domain housekeeping mask
Date: Wed, 25 Mar 2026 15:00:53 +0100	[thread overview]
Message-ID: <20260325140053.GC3738786@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <20260325-dhei-v12-final-v1-6-919cca23cadf@gmail.com>

On Wed, Mar 25, 2026 at 05:09:37PM +0800, Qiliang Yuan wrote:
> Scheduler domains rely on HK_TYPE_DOMAIN to identify which CPUs are
> isolated from general load balancing. Currently, these boundaries are
> static and determined only during boot-time domain initialization.

This statement is factually incorrect. You can dynamically create
partitions with both cpuset-v1 and cpuset-v2.

  reply	other threads:[~2026-03-25 14:01 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-25  9:09 [PATCH 00/15] Implementation of Dynamic Housekeeping & Enhanced Isolation (DHEI) Qiliang Yuan
2026-03-25  9:09 ` [PATCH 01/15] sched/isolation: Support dynamic allocation for housekeeping masks Qiliang Yuan
2026-03-25 13:57   ` Peter Zijlstra
2026-03-25  9:09 ` [PATCH 02/15] sched/isolation: Introduce housekeeping notifier infrastructure Qiliang Yuan
2026-03-25 13:58   ` Peter Zijlstra
2026-03-25  9:09 ` [PATCH 03/15] sched/isolation: Separate housekeeping types in enum hk_type Qiliang Yuan
2026-03-25 13:59   ` Peter Zijlstra
2026-03-25  9:09 ` [PATCH 04/15] genirq: Support dynamic migration for managed interrupts Qiliang Yuan
2026-03-25  9:09 ` [PATCH 05/15] rcu: Support runtime NOCB initialization and dynamic offloading Qiliang Yuan
2026-03-25  9:09 ` [PATCH 06/15] sched/core: Dynamically update scheduler domain housekeeping mask Qiliang Yuan
2026-03-25 14:00   ` Peter Zijlstra [this message]
2026-03-25  9:09 ` [PATCH 07/15] watchdog: Allow runtime toggle of lockup detector affinity Qiliang Yuan
2026-03-25 14:03   ` Peter Zijlstra
2026-03-25  9:09 ` [PATCH 08/15] workqueue: Support dynamic housekeeping mask updates Qiliang Yuan
2026-03-25  9:09 ` [PATCH 09/15] mm/compaction: Support dynamic housekeeping mask updates for kcompactd Qiliang Yuan
2026-03-25  9:09 ` [PATCH 10/15] tick/nohz: Transition to dynamic full dynticks state management Qiliang Yuan
2026-03-25  9:09 ` [PATCH 11/15] sched/isolation: Implement SMT-aware isolation and safety guards Qiliang Yuan
2026-03-25  9:09 ` [PATCH 12/15] sched/isolation: Bridge boot-time parameters with dynamic isolation Qiliang Yuan
2026-03-25  9:09 ` [PATCH 13/15] sched/isolation: Implement sysfs interface for dynamic housekeeping Qiliang Yuan
2026-03-25 14:04   ` Peter Zijlstra
2026-03-25  9:09 ` [PATCH 14/15] Documentation: isolation: Document DHEI sysfs interfaces Qiliang Yuan
2026-03-25  9:09 ` [PATCH 15/15] selftests: dhei: Add functional tests for dynamic housekeeping Qiliang Yuan
2026-03-25 16:02 ` [PATCH 00/15] Implementation of Dynamic Housekeeping & Enhanced Isolation (DHEI) Tejun Heo

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