linux-kernel - Re: [PATCH 0/8] sched/isolation: Split housekeeping cpumask

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Date:   Thu, 6 Jan 2022 10:43:23 -0300
From:   Marcelo Tosatti <mtosatti@...hat.com>
To:     Frederic Weisbecker <frederic@...nel.org>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>, Tejun Heo <tj@...nel.org>,
        Juri Lelli <juri.lelli@...hat.com>,
        Alex Belits <abelits@...vell.com>,
        Nitesh Lal <nilal@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Nicolas Saenz <nsaenzju@...hat.com>,
        Christoph Lameter <cl@...two.de>,
        Zefan Li <lizefan.x@...edance.com>,
        Paul Gortmaker <paul.gortmaker@...driver.com>,
        "Paul E . McKenney" <paulmck@...nel.org>
Subject: Re: [PATCH 0/8] sched/isolation: Split housekeeping cpumask

On Tue, Jan 04, 2022 at 03:49:36PM +0100, Frederic Weisbecker wrote:
> Hi,
> 
> To prepare for extending cpusets to control CPU isolation features
> (nohz_full, rcu_nocbs, unbound timers, workqueues, kthreads affinity...),
> we need to split the global housekeeping_mask to one cpumask per isolation
> feature.
> 
> Doing so is quite a chunk already so I'm working on that as a standalone
> patchset. Once that get merged, the next step is to finally provide a
> cpuset interface for one of these isolation features: rcu_nocb could
> be interesting to handle first as nohz_full depends on it.
> 
> git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
> 	isolation/split
> 
> HEAD: 2c07a16ff50d1e722babee28b926d70522e6bd3e
> 
> Thanks,
> 	Frederic

Looks good.

Reviewed-by: Marcelo Tosatti <mtosatti@...hat.com>