linux-kernel - Re: scheduling while atomic in z3fold

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Message-ID: <aa1ac4f7ae4aed8af07b61f914eb69a1827e8e4d.camel@gmx.de>
Date:   Mon, 30 Nov 2020 17:36:14 +0100
From:   Mike Galbraith <efault@....de>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     Oleksandr Natalenko <oleksandr@...alenko.name>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-rt-users@...r.kernel.org
Subject: Re: scheduling while atomic in z3fold

On Mon, 2020-11-30 at 17:32 +0100, Sebastian Andrzej Siewior wrote:
> On 2020-11-30 17:27:17 [+0100], Mike Galbraith wrote:
> > > This just passed. It however killed my git-gc task which wasn't done.
> > > Let me try tomorrow with your config.
> >
> > FYI, I tried 5.9-rt (after fixing 5.9.11), it exploded in the same way,
> > so (as expected) it's not some devel tree oopsie.
>
> v5.9 has the same missing local-lock init due to merged local-lock
> upstream. I don't remember when this get_cpu_ptr() came it.

This was with your test patch applied.

	-Mike