linux-kernel - Re: [PATCH 6/7] modules: Add CONFIG_ARCH_WANTS_MODULES_DATA_IN

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Message-ID: <CAD=FV=VMUA+8RFOSkVQTmBDrHPSYSG5VBVA_EKKQuBjF0ZZKpQ@mail.gmail.com>
Date:   Mon, 24 Jan 2022 13:43:06 -0800
From:   Doug Anderson <dianders@...omium.org>
To:     Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     Luis Chamberlain <mcgrof@...nel.org>, Jessica Yu <jeyu@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "kgdb-bugreport@...ts.sourceforge.net" 
        <kgdb-bugreport@...ts.sourceforge.net>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
        Jason Wessel <jason.wessel@...driver.com>,
        Daniel Thompson <daniel.thompson@...aro.org>
Subject: Re: [PATCH 6/7] modules: Add CONFIG_ARCH_WANTS_MODULES_DATA_IN_VMALLOC

Hi,

On Mon, Jan 24, 2022 at 1:22 AM Christophe Leroy
<christophe.leroy@...roup.eu> wrote:
>
> --- a/kernel/debug/kdb/kdb_main.c
> +++ b/kernel/debug/kdb/kdb_main.c
> @@ -2022,8 +2022,11 @@ static int kdb_lsmod(int argc, const char **argv)
>                 if (mod->state == MODULE_STATE_UNFORMED)
>                         continue;
>
> -               kdb_printf("%-20s%8u  0x%px ", mod->name,
> -                          mod->core_layout.size, (void *)mod);
> +               kdb_printf("%-20s%8u", mod->name, mod->core_layout.size);
> +#ifdef CONFIG_ARCH_WANTS_MODULES_DATA_IN_VMALLOC
> +               kdb_printf("/%8u  0x%px ", mod->data_layout.size);

Just counting percentages and arguments, it seems like something's
wrong in the above print statement.

-Doug