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Message-ID: <20220131183540.6ekn3z7tudy5ocdl@sx1>
Date: Mon, 31 Jan 2022 10:35:40 -0800
From: Saeed Mahameed <saeedm@...dia.com>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Stephen Hemminger <stephen@...workplumber.org>,
Saeed Mahameed <saeed@...nel.org>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Mark Einon <mark.einon@...il.com>,
Lino Sanfilippo <LinoSanfilippo@....de>,
Maxime Ripard <mripard@...nel.org>,
Chen-Yu Tsai <wens@...e.org>,
Jernej Skrabec <jernej.skrabec@...il.com>,
Shay Agroskin <shayagr@...zon.com>,
Arthur Kiyanovski <akiyano@...zon.com>,
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Subject: Re: [PATCH net-next] net: kbuild: Don't default net vendor configs
to y
On 31 Jan 19:30, Geert Uytterhoeven wrote:
>On Mon, Jan 31, 2022 at 6:59 PM Stephen Hemminger
><stephen@...workplumber.org> wrote:
>> On Mon, 31 Jan 2022 09:24:50 -0800
>> Saeed Mahameed <saeed@...nel.org> wrote:
>>
>> > From: Saeed Mahameed <saeedm@...dia.com>
>> >
>> > NET_VENDOR_XYZ were defaulted to 'y' for no technical reason.
>> >
>> > Since all drivers belonging to a vendor are supposed to default to 'n',
>> > defaulting all vendors to 'n' shouldn't be an issue, and aligns well
>> > with the 'no new drivers' by default mentality.
>> >
>> > Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
>>
>> This was done back when vendors were introduced in the network drivers tree.
>> The default of Y allowed older configurations to just work.
>
>And changing the defaults means all defconfigs must be updated first,
>else the user's configs will end up without drivers needed.
>
As I understand correctly, at least for most common net drivers,
having NET_VENDOR_XYZ=y doesn't actually build anything, we have flags per
module for each vendor and those are defaulted to N.
>> So there was a reason, not sure if it matters anymore.
>> But it seems like useless repainting to change it now.
>
>It might make sense to tune some of the defaults (i.e. change to
>"default y if ARCH_*") for drivers with clear platform dependencies.
>
either set hard default to 'n' or just keep it as is, anything else is just
more confusion.
>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
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