linux-kernel - Re: WARNING in enqueue_task

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Message-ID: <20200616082003.GM2531@hirez.programming.kicks-ass.net>
Date:   Tue, 16 Jun 2020 10:20:03 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Daniel Wagner <dwagner@...e.de>
Cc:     Juri Lelli <juri.lelli@...hat.com>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        luca abeni <luca.abeni@...tannapisa.it>,
        Thomas Gleixner <tglx@...utronix.de>,
        syzbot <syzbot+119ba87189432ead09b4@...kaller.appspotmail.com>,
        Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Andy Lutomirski <luto@...nel.org>,
        Ingo Molnar <mingo@...hat.com>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>,
        the arch/x86 maintainers <x86@...nel.org>
Subject: Re: WARNING in enqueue_task_dl

On Tue, Jun 16, 2020 at 08:53:59AM +0200, Daniel Wagner wrote:
> I've tested this patch against 5.8-rc1. Without the fix, after around 2 hours
> the warning was triggered by the reproducer. With the patch, it survived
> roughly 12 hours without the warning.
> 
> Tested-by: Daniel Wagner <dwagner@...e.de>

Thanks, have it now.