linux-kernel - Re: [PATCH v2 1/2] maple_tree: Disable mas_wr_append() when other readers are possible

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Date:   Wed, 13 Sep 2023 15:26:55 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     "Liam R. Howlett" <Liam.Howlett@...cle.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>, paulmck@...nel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        maple-tree@...ts.infradead.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org,
        Shanker Donthineni <sdonthineni@...dia.com>
Subject: Re: [PATCH v2 1/2] maple_tree: Disable mas_wr_append() when other
 readers are possible

Hi Liam,

On Wed, Sep 13, 2023 at 3:24 PM Liam R. Howlett <Liam.Howlett@...cle.com> wrote:
> * Geert Uytterhoeven <geert@...ux-m68k.org> [230913 09:15]:
> > On the affected systems (RZ/A1 and RZ/A2), the WARN_ON_ONCE() did
> > not trigger, until I applied Liam's patch ("init/main: Clear boot task
> > idle flag"), which got rid of the "Interrupts were enabled early" warning,
> > and now tells me, as expected:

[...]

> > However, Liam's patch causes lots of warnings on the other systems...
> >
>
> What patch?  The "init/main" patch?

Indeed.

> What systems and what are they?

Reported in the thread:
https://lore.kernel.org/all/CAMuHMdWR68a49=vthdp03stpvaHLS5BRa+rhVdnr7gQDFkNotQ@mail.gmail.com

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds