From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Richard Cochran <richardcochran@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
linux-rt-users <linux-rt-users@vger.kernel.org>,
Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [ANNOUNCE] v5.2.21-rt15
Date: Tue, 17 Dec 2019 09:14:49 +0100 [thread overview]
Message-ID: <20191217081449.xsrfpma4frgynkmg@linutronix.de> (raw)
In-Reply-To: <20191217044549.GB1363@localhost>
On 2019-12-16 20:45:49 [-0800], Richard Cochran wrote:
> On Mon, Dec 16, 2019 at 06:34:16PM +0100, Sebastian Andrzej Siewior wrote:
> >
> > - Since the migrate_disable() rework, with heave changing of the
> > task's affinity mask the kernel could issue a warning in
> > migrate_enable() and crash later.
>
> What is "heave changing?"
Sorry. "heavy changing". You need to change the affinity mask of a task
very often and one requirement is that new affinity mask does not
contain a CPU on which the task is currently running.
> Just Curious,
>
> Richard
Sebastian
prev parent reply other threads:[~2019-12-17 8:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-16 17:34 [ANNOUNCE] v5.2.21-rt15 Sebastian Andrzej Siewior
2019-12-17 4:45 ` Richard Cochran
2019-12-17 8:14 ` Sebastian Andrzej Siewior [this message]
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