linux-kernel - Re: sched_core_balance() releasing interrupts with pi

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Message-ID: <20220329172236.48683eb5@gandalf.local.home>
Date:   Tue, 29 Mar 2022 17:22:36 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        joel@...lfernandes.org
Subject: Re: sched_core_balance() releasing interrupts with pi_lock held

On Mon, 21 Mar 2022 13:30:37 -0400
Steven Rostedt <rostedt@...dmis.org> wrote:

> On Wed, 16 Mar 2022 22:03:41 +0100
> Peter Zijlstra <peterz@...radead.org> wrote:
> 
> > Does something like the below (untested in the extreme) help?  
> 
> Hi Peter,
> 
> This has been tested extensively by the ChromeOS team and said that it does
> appear to fix the problem.
> 
> Could you get this into mainline, and tag it for stable so that it can be
> backported to the appropriate stable releases?
> 
> Thanks for the fix!
>

Hi Peter,

I just don't want you to forget about this :-)

-- Steve