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Date:   Thu, 7 Mar 2019 02:22:53 +0100
From:   "Enrico Weigelt, metux IT consult" <>
To:     Daniel Colascione <>,
        "H. Peter Anvin" <>
Cc:     Pavel Machek <>,
        Joel Fernandes <>,
        Greg KH <>,
        linux-kernel <>,
        Andrew Morton <>,,
        atish patra <>,
        Borislav Petkov <>, Ingo Molnar <>,
        Jan Kara <>, Jonathan Corbet <>,
        Karim Yaghmour <>,
        Kees Cook <>,,
        "open list:DOCUMENTATION" <>,
        Manoj Rao <>,
        Masahiro Yamada <>,
        Paul McKenney <>,
        "Peter Zijlstra (Intel)" <>,
        Randy Dunlap <>,,
        Thomas Gleixner <>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <>,
Subject: Re: [RFC] Provide in-kernel headers for making it easy to extend the

On 07.03.19 01:33, Daniel Colascione wrote:

> *There* *may* *be* *no* *filesystem*. 

A Linux system w/o any filesystem at all ? Well, that's interesting.

> The only thing the kernel can really guarantee is its own> existence --- it should be entire in itself.

I vaguely recall some option for linking in an initrd ... does this
still exist ?

> If I'm hacking on an> Android kernel and say "fastboot boot mykernel" without making any>
changes to the device's boot filesystem, I should still be able to use>
tracing tools that rely on knowing the headers for the kernel with

Fix fastboot to support initrd or use a remote filesystem ?

I'm doing embedded development all the day, and one of the first things
I usually set up for a project is an fully automatic netboot (or at
least usb boot). Shouldn't be so hard, and is a more generic solution.


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

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