linux-kernel - Re: [PATCH v2] pstore: Revert pmsg

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Date:   Mon, 6 Mar 2023 10:28:44 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Hillf Danton <hdanton@...a.com>
Cc:     John Stultz <jstultz@...gle.com>,
        LKML <linux-kernel@...r.kernel.org>, Wei Wang <wvw@...gle.com>,
        Midas Chien <midaschieh@...gle.com>,
        "Chunhui Li (李春辉)" <chunhui.li@...iatek.com>,
        Kees Cook <keescook@...omium.org>,
        Anton Vorontsov <anton@...msg.org>,
        "Guilherme G. Piccoli" <gpiccoli@...lia.com>,
        Tony Luck <tony.luck@...el.com>, linux-mm@...ck.org
Subject: Re: [PATCH v2] pstore: Revert pmsg_lock back to a normal mutex

On Mon,  6 Mar 2023 09:03:23 +0800
Hillf Danton <hdanton@...a.com> wrote:

> PS what sense made by spinning on owner until need_resched() with preempt
> disabled in the non-rt context?

Not sure what the question you have here is? If need_resched() is set, we
want to schedule out.

-- Steve