linux-kernel - Re: [PATCH] arch_topology: Silence early cacheinfo errors when non-existent

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Message-ID: <CAMuHMdVgqqnhg2TeznSP49sqVN8Hs=D0LKkne+evJkqT9U-LqQ@mail.gmail.com>
Date:   Mon, 15 Aug 2022 10:57:49 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Sudeep Holla <sudeep.holla@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Ionela Voinescu <ionela.voinescu@....com>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>
Subject: Re: [PATCH] arch_topology: Silence early cacheinfo errors when non-existent

Hi Florian,

On Sat, Aug 6, 2022 at 1:10 AM Florian Fainelli <f.fainelli@...il.com> wrote:
> Architectures which do not have cacheinfo such as ARM 32-bit would spit
> out the following during boot:
>
>  Early cacheinfo failed, ret = -2
>
> Treat -ENOENT specifically to silence this error since it means that the
> platform does not support reporting its cache information.
>
> Fixes: 3fcbf1c77d08 ("arch_topology: Fix cache attributes detection in the CPU hotplug path")
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>

Thank you, this fixes the issue seen with v6.0-rc1 on e.g. R-Car Gen2.

Tested-by: Geert Uytterhoeven <geert+renesas@...der.be>

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