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From: "Enrico Weigelt, metux IT consult" <lkml@metux.net>
To: Paul Menzel <pmenzel@molgen.mpg.de>, LKML <linux-kernel@vger.kernel.org>
Cc: Luis Chamberlain <mcgrof@kernel.org>,
	Hans de Goede <hdegoede@redhat.com>,
	Ben Hutchings <ben@decadent.org.uk>
Subject: Re: Pass modules to Linux kernel without initrd
Date: Tue, 8 Dec 2020 10:38:15 +0100	[thread overview]
Message-ID: <8aac3537-e84b-057d-94d8-0327261daaf8@metux.net> (raw)
In-Reply-To: <6fbaf375-389d-6581-55a1-78bbe2852e2d@molgen.mpg.de>

On 08.12.20 10:24, Paul Menzel wrote:

> Similar to passing firmware and microcode update files to Linux or
> building these into the Linux kernel image, would it be possible to
> append the required modules to the Linux kernel image, and Linux would
> load these?

Indeed, yes it does. Just set the corresponding CONFIG_ symbols to 'y'
instead of 'm'. If you don't need to dynamically load any modules
(already have everything you need compiled-in), you can completely
disable module support via disabling CONFIG_MODULES.

For embedded systems, this is quite common. I'm also using it for
trimmed down virtualized workloads that don't ever need to dynamically
load modules.

--mtx

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Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
info@metux.net -- +49-151-27565287

  reply	other threads:[~2020-12-08  9:41 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-08  9:24 Paul Menzel
2020-12-08  9:38 ` Enrico Weigelt, metux IT consult [this message]
2020-12-08 10:58   ` Paul Menzel
2020-12-08 13:19     ` Enrico Weigelt, metux IT consult
2020-12-08 18:10 ` Ben Hutchings
2020-12-08 18:53 ` Theodore Y. Ts'o

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