Re: [ANNOUNCE] v5.2.21-rt15

From: Sebastian Andrzej Siewior
Date: Tue Dec 17 2019 - 03:14:54 EST


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