linux-kernel - Re: [PATCH RT v3 3/5] sched: migrate_dis/enable: Use rt_invol

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Message-ID: <20191004164539.bwxbpmsgqs4o4ysr@linutronix.de>
Date:   Fri, 4 Oct 2019 18:45:39 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Scott Wood <swood@...hat.com>
Cc:     linux-rt-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Paul E . McKenney" <paulmck@...ux.ibm.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Steven Rostedt <rostedt@...dmis.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Juri Lelli <juri.lelli@...hat.com>,
        Clark Williams <williams@...hat.com>
Subject: Re: [PATCH RT v3 3/5] sched: migrate_dis/enable: Use rt_invol_sleep

On 2019-09-24 11:35:16 [-0500], Scott Wood wrote:
> 
> OK, sounds like stop_one_cpu_nowait() is the way to go then.

so I applied the last three patches from the migrate-disable() series
and it looks good. Nothing blew up in my testing.
There were no objects to the stop_one_cpu_nowait() suggestion and I
think that it is important not to lose the state at end.
Could you please repost the patches?

> -Scott

Sebastian