linux-kernel - Re: [patch v11 13/13] task isolation: only TIF_TASK

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Message-ID: <20220207153854.GB526451@lothringen>
Date:   Mon, 7 Feb 2022 16:38:54 +0100
From:   Frederic Weisbecker <frederic@...nel.org>
To:     Marcelo Tosatti <mtosatti@...hat.com>
Cc:     linux-kernel@...r.kernel.org, Nitesh Lal <nilal@...hat.com>,
        Nicolas Saenz Julienne <nsaenzju@...hat.com>,
        Christoph Lameter <cl@...ux.com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Alex Belits <abelits@...its.com>, Peter Xu <peterx@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Oscar Shiang <oscar0225@...email.tw>
Subject: Re: [patch v11 13/13] task isolation: only TIF_TASK_ISOL if task
 isolation is enabled

On Fri, Feb 04, 2022 at 02:35:50PM -0300, Marcelo Tosatti wrote:
> This avoids processing of TIF_TASK_ISOL, when returning to userspace,
> for tasks which do not have task isolation configured.
> 
> Signed-off-by: Marcelo Tosatti <mtosatti@...hat.com>

Ok that answers another of my questions :-)