netdev - Re: [PATCH net v2 2/2] net: phylink: Add module_exit

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Message-ID: <b1b962d1-403f-41b4-9ef8-f2cdb33795e7@lunn.ch>
Date: Thu, 4 Jan 2024 14:00:19 +0100
From: Andrew Lunn <andrew@...n.ch>
To: "Gan, Yi Fang" <yi.fang.gan@...el.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Andrew Halaney <ahalaney@...hat.com>,
	Javier Martinez Canillas <javierm@...hat.com>,
	John Stultz <jstultz@...gle.com>,
	"Rafael J . Wysocki" <rafael@...nel.org>,
	Jens Axboe <axboe@...nel.dk>, Russell King <linux@...linux.org.uk>,
	Heiner Kallweit <hkallweit1@...il.com>,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Marek Behún <kabel@...nel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-stm32@...md-mailman.stormreply.com" <linux-stm32@...md-mailman.stormreply.com>,
	"linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Looi, Hong Aun" <hong.aun.looi@...el.com>,
	"Voon, Weifeng" <weifeng.voon@...el.com>,
	"Song, Yoong Siang" <yoong.siang.song@...el.com>,
	"Lai, Peter Jun Ann" <peter.jun.ann.lai@...el.com>,
	"Choong, Yong Liang" <yong.liang.choong@...el.com>
Subject: Re: [PATCH net v2 2/2] net: phylink: Add module_exit_stub()

On Thu, Jan 04, 2024 at 09:45:47AM +0000, Gan, Yi Fang wrote:
> Hi Andrew,
> 
> The function phylink_init() is introduced by others.
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-6.6.y&id=eca68a3c7d05b38b4e728cead0c49718f2bc1d5a 
> The module_exit() is added by referring to
> https://elixir.bootlin.com/linux/latest/source/kernel/module/main.c#L738.
> Since the macro function is rejected, I will send a V3.
> Let's see if Rusell King has any comment. Thanks.

Please don't top post when using linux kernel mailing lists.

> > You are missing justification it is actually safe to remove phylink. Maybe Russell
> > King deliberately did not implement
> > module_exit() because it can explode in interesting ways if it was?

You still need to explain why it is safe to implement it.

    Andrew