netdev - Re: [PATCH 17/18] net: octeontx2: fix mixed module-builtin object

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Message-ID: <CAK7LNARhND_qb+m1+c+AMfT+9DawaoCjz7NT6Ox3EsDmh0F9_w@mail.gmail.com>
Date:   Thu, 24 Nov 2022 05:54:02 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Alexander Lobakin <alobakin@...me>
Cc:     linux-kbuild@...r.kernel.org, Nicolas Schier <nicolas@...sle.eu>,
        Jens Axboe <axboe@...nel.dk>,
        Boris Brezillon <bbrezillon@...nel.org>,
        Borislav Petkov <bp@...en8.de>,
        Tony Luck <tony.luck@...el.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Vladimir Oltean <vladimir.oltean@....com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Derek Chickles <dchickles@...vell.com>,
        Ioana Ciornei <ioana.ciornei@....com>,
        Salil Mehta <salil.mehta@...wei.com>,
        Sunil Goutham <sgoutham@...vell.com>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Daniel Scally <djrscally@...il.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Mark Brown <broonie@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        NXP Linux Team <linux-imx@....com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 17/18] net: octeontx2: fix mixed module-builtin object

On Sun, Nov 20, 2022 at 8:10 AM Alexander Lobakin <alobakin@...me> wrote:
>
> With CONFIG_OCTEONTX2_PF=y and CONFIG_OCTEONTX2_VF=m, several object
> files  are linked to a module and also to vmlinux even though the
> expected CFLAGS are different between builtins and modules.
> This is the same situation as fixed by
> commit 637a642f5ca5 ("zstd: Fixing mixed module-builtin objects").
> There's also no need to duplicate relatively big piece of object
> code into two modules.
>
> Introduce the new module, rvu_niccommon, to provide the common
> functions to both rvu_nicpf and rvu_nicvf. Also, otx2_ptp.o was not
> shared, but built as a standalone module (it was fixed already a year
> ago the same way this commit does due to link issues). As it's used
> by both PF and VF modules in the same way, just link it into that new
> common one.
>
> Fixes: 2da489432747 ("octeontx2-pf: devlink params support to set mcam entry count")
> Fixes: 8e67558177f8 ("octeontx2-pf: PFC config support with DCBx")
> Suggested-by: Masahiro Yamada <masahiroy@...nel.org>
> Signed-off-by: Alexander Lobakin <alobakin@...me>
> ---


Reviewed-by: Masahiro Yamada <masahiroy@...nel.org>

Minor:
otx2_ptp.c uses EXPORT_SYMBOL_GPL().
It is better to use either EXPORT_SYMBOL_GPL or
EXPORT_SYMBOL_NS_GPL instead of mixing them.



--
Best Regards
Masahiro Yamada