linux-kernel - Re: [PATCHv3 1/2] ARM: exynos_defconfig: Enable rtl8152 ethernet driver for Odroid-XU4

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Message-ID: <56179B33.9030803@samsung.com>
Date:	Fri, 9 Oct 2015 19:47:15 +0900
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Arnd Bergmann <arnd@...db.de>,
	linux-arm-kernel@...ts.infradead.org,
	Anand Moon <linux.amoon@...il.com>
Cc:	k.kozlowski.k@...il.com, Lukasz Majewski <l.majewski@...sung.com>,
	linux-samsung-soc@...r.kernel.org,
	Russell King <linux@....linux.org.uk>,
	linux-kernel@...r.kernel.org,
	Javier Martinez Canillas <javier@....samsung.com>,
	Sjoerd Simons <sjoerd.simons@...labora.co.uk>,
	Kukjin Kim <kgene@...nel.org>
Subject: Re: [PATCHv3 1/2] ARM: exynos_defconfig: Enable rtl8152 ethernet
 driver for Odroid-XU4

W dniu 09.10.2015 o 19:28, Arnd Bergmann pisze:
> On Friday 09 October 2015 11:59:05 Sjoerd Simons wrote:
>>
>>> I realize that building things as modules is a hassle, it is so for
>>> some things more than for others, so I keep asking the question
>>> to everyone to find out what a good balance is to make as much as
>>> possible modules without hurting too much.
>>
>> Fwiw, I don't find building modules overly cumbersome. Getting an
>> initramfs capable of moving on to an NFS root is mostly a one-time
>> thing (not unlike setting up the nfs root itself) and injecting modules
>> into it is relatively simple (doubly so if taking advantage of the
>> multiple cpio archive feature linux has). 
>>
>> Interestingly, for me not building things as modules in multi_v7 tends
>> to cause more work as it hides a few categories of bugs that tend to
>> crop up once building distro kernels (e.g. missing module aliases,
>> missing module device table entries, implicitly relying on clocks being
>> active during probe as unused clocks only get turned of late in the
>> init sequence etc).
>>
> 
> Ok, let's try to make all future network drivers modules in the
> multi_v7_defconfig then, and get people to use an initramfs
> if they need NFS root. If nobody complains too loudly for the
> next few releases, we can change the existing drivers to =m as well.

Personally I don't use NFS root and we don't have such configurations at
work. At least I am not aware of such. So from my point of view network
adapters as module is okay.

Anand,
Can you change it in multi_v7 patch to module?

Best regards,
Krzysztof
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