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From: Tejun Heo <tj@kernel.org>
To: Frederic Weisbecker <frederic@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Juri Lelli <juri.lelli@redhat.com>,
	Alex Belits <abelits@marvell.com>, Nitesh Lal <nilal@redhat.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Nicolas Saenz <nsaenzju@redhat.com>,
	Christoph Lameter <cl@gentwo.de>,
	Marcelo Tosatti <mtosatti@redhat.com>,
	Zefan Li <lizefan.x@bytedance.com>,
	Paul Gortmaker <paul.gortmaker@windriver.com>,
	"Paul E . McKenney" <paulmck@kernel.org>
Subject: Re: [PATCH 2/8] workqueue: Decouple HK_FLAG_WQ and HK_FLAG_DOMAIN cpumask fetch
Date: Fri, 7 Jan 2022 11:22:33 -1000	[thread overview]
Message-ID: <YdivGRl9GoMvhdR7@slm.duckdns.org> (raw)
In-Reply-To: <20220104144944.1278663-3-frederic@kernel.org>

On Tue, Jan 04, 2022 at 03:49:38PM +0100, Frederic Weisbecker wrote:
> To prepare for supporting each feature of the housekeeping cpumask
> toward cpuset, prepare each of the HK_FLAG_* entries to move to their
> own cpumask with enforcing to fetch them individually. The new
> constraint is that multiple HK_FLAG_* entries can't be mixed together
> anymore in a single call to housekeeping cpumask().
> 
> This will later allow, for example, to runtime modify the cpulist passed
> through "isolcpus=", "nohz_full=" and "rcu_nocbs=" kernel boot
> parameters.
> 
> Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Juri Lelli <juri.lelli@redhat.com>
> Cc: Marcelo Tosatti <mtosatti@redhat.com>
> Cc: Nitesh Lal <nilal@redhat.com>
> Cc: Nicolas Saenz <nsaenzju@redhat.com>
> Cc: Peter Zijlstra <peterz@infradead.org>
> Cc: Christoph Lameter <cl@gentwo.de>
> Cc: Tejun Heo <tj@kernel.org>
> Cc: Zefan Li <lizefan.x@bytedance.com>
> Cc: Alex Belits <abelits@marvell.com>

Acked-by: Tejun Heo <tj@kernel.org>

Thanks.

-- 
tejun

  reply	other threads:[~2022-01-07 21:22 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-04 14:49 [PATCH 0/8] sched/isolation: Split housekeeping cpumask Frederic Weisbecker
2022-01-04 14:49 ` [PATCH 1/8] pci: Decouple HK_FLAG_WQ and HK_FLAG_DOMAIN cpumask fetch Frederic Weisbecker
2022-01-04 14:49 ` [PATCH 2/8] workqueue: " Frederic Weisbecker
2022-01-07 21:22   ` Tejun Heo [this message]
2022-01-04 14:49 ` [PATCH 3/8] net: " Frederic Weisbecker
2022-01-04 14:49 ` [PATCH 4/8] sched/isolation: Use single feature type while referring to housekeeping cpumask Frederic Weisbecker
2022-01-04 14:49 ` [PATCH 5/8] sched/isolation: Consolidate check for housekeeping minimum service Frederic Weisbecker
2022-01-04 14:49 ` [PATCH 6/8] sched/isolation: Consolidate error handling Frederic Weisbecker
2022-01-04 14:49 ` [PATCH 7/8] sched/isolation: Fix housekeeping_mask memory leak Frederic Weisbecker
2022-01-05 23:30   ` Paul E. McKenney
2022-01-04 14:49 ` [PATCH 8/8] sched/isolation: Split housekeeping cpumask per isolation features Frederic Weisbecker
2022-01-06 13:43 ` [PATCH 0/8] sched/isolation: Split housekeeping cpumask Marcelo Tosatti
2022-01-07 14:59 ` Phil Auld
2022-01-10 16:51 ` Juri Lelli
2022-02-04 13:04 [PATCH 0/8] sched/isolation: Split housekeeping cpumask v2 Frederic Weisbecker
2022-02-04 13:04 ` [PATCH 2/8] workqueue: Decouple HK_FLAG_WQ and HK_FLAG_DOMAIN cpumask fetch Frederic Weisbecker
2022-02-07 15:59 [PATCH 0/8] sched/isolation: Split housekeeping cpumask v3 Frederic Weisbecker
2022-02-07 15:59 ` [PATCH 2/8] workqueue: Decouple HK_FLAG_WQ and HK_FLAG_DOMAIN cpumask fetch Frederic Weisbecker

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