linux-kernel - Re: [PATCH RT 4/8] sched: migrate disable: Protect cpus

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Message-ID: <f3b31297df859eb7d1dc86637c29b271fbf87970.camel@redhat.com>
Date:   Thu, 26 Sep 2019 11:52:42 -0500
From:   Scott Wood <swood@...hat.com>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Steven Rostedt <rostedt@...dmis.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Juri Lelli <juri.lelli@...hat.com>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Clark Williams <williams@...hat.com>,
        linux-kernel@...r.kernel.org, linux-rt-users@...r.kernel.org
Subject: Re: [PATCH RT 4/8] sched: migrate disable: Protect cpus_ptr with
 lock

On Thu, 2019-09-26 at 18:39 +0200, Sebastian Andrzej Siewior wrote:
> On 2019-07-27 00:56:34 [-0500], Scott Wood wrote:
> > Various places assume that cpus_ptr is protected by rq/pi locks,
> > so don't change it before grabbing those locks.
> > 
> > Signed-off-by: Scott Wood <swood@...hat.com>
> 
> I applied now everything until here and you can take a look at
>   
> https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git/log/?h=linux-5.2.y-rt-RC
> 
> If there are no objections then I would make this a -rt9 and then go
> further.
> 
> Sebastian

Looks good, thanks!

-Scott