linux-kernel - Re: [PATCH V2 2/2] rt: Increase/decrease the nr of migratory tasks when enabling/disabling migration

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Message-ID: <20170807154657.dixtykrdqwp7nhkq@linutronix.de>
Date:   Mon, 7 Aug 2017 17:46:57 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Daniel Bristot de Oliveira <bristot@...hat.com>
Cc:     linux-rt-users <linux-rt-users@...r.kernel.org>,
        "Luis Claudio R . Goncalves" <lgoncalv@...hat.com>,
        Clark Williams <williams@...hat.com>,
        Luiz Capitulino <lcapitulino@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Steven Rostedt <rostedt@...dmis.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V2 2/2] rt: Increase/decrease the nr of migratory tasks
 when  enabling/disabling migration

On 2017-06-26 17:07:15 [+0200], Daniel Bristot de Oliveira wrote:
> There is a problem in the migrate_disable()/enable() implementation
> regarding the number of migratory tasks in the rt/dl RQs. The problem
> is the following:
…
> This patch fixes this problem by decreasing/increasing the
> rt/dl_nr_migratory in the migrate disable/enable operations.
> 
> Reported-by: Pei Zhang <pezhang@...hat.com>
> Reported-by: Luiz Capitulino <lcapitulino@...hat.com>
> Signed-off-by: Daniel Bristot de Oliveira <bristot@...hat.com>
> Cc: Luis Claudio R. Goncalves <lgoncalv@...hat.com>
> Cc: Clark Williams <williams@...hat.com>
> Cc: Luiz Capitulino <lcapitulino@...hat.com>
> Cc: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Steven Rostedt <rostedt@...dmis.org>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc: LKML <linux-kernel@...r.kernel.org>
> Cc: linux-rt-users <linux-rt-users@...r.kernel.org>

Applied.

Sebastian