linux-kernel - Re: Pass modules to Linux kernel without initrd

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Message-ID: <4286b16c32116b6844eccacdd6a9ec567738f696.camel@decadent.org.uk>
Date:   Tue, 08 Dec 2020 19:10:10 +0100
From:   Ben Hutchings <ben@...adent.org.uk>
To:     Paul Menzel <pmenzel@...gen.mpg.de>,
        LKML <linux-kernel@...r.kernel.org>
Cc:     Luis Chamberlain <mcgrof@...nel.org>,
        Hans de Goede <hdegoede@...hat.com>
Subject: Re: Pass modules to Linux kernel without initrd

On Tue, 2020-12-08 at 10:24 +0100, Paul Menzel wrote:
Dear Linux folks,

Trying to reduce the boot time of standard distributions, I would like 
to get rid of the initrd. The initrd is for mounting the root file 
system and on most end user systems with standard distributions that 
means loading the bus driver for the drive and the file system driver.
[...]

I would expect most end user systems to use at least one of LVM and
cryptsetup, which need user-space to configure them.

Debian has the "tiny-initramfs" package that covers the simple cases
you're targetting, and can be used instead of initramfs-tools or
dracut.  The upstream of that is:
<https://github.com/chris-se/tiny-initramfs/>.

But I don't anticipate that we would change the default initramfs
builder any time soon.

Ben.

-- 
Ben Hutchings
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