linux-kernel - Re: boot loader

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Message-ID: <20150513070232.GA19700@amd>
Date:	Wed, 13 May 2015 09:02:33 +0200
From:	Pavel Machek <pavel@....cz>
To:	"Enrico Weigelt, metux IT consult" <weigelt@...ag.de>
Cc:	Thiago Farina <tfransosi@...il.com>,
	linux list <linux-kernel@...r.kernel.org>
Subject: Re: boot loader

On Tue 2015-05-12 13:11:26, Enrico Weigelt, metux IT consult wrote:
> Am 12.05.2015 um 02:17 schrieb Thiago Farina:
> 
> >Yeah. Maybe it was a right decision from Linus to isolate, focus and work
> >solely on kernel and not including everything else (like FreeBSD does)
> >that makes a usable system.
> 
> Just a little sidenote:
> 
> Plan9 uses a trimmed-down Kernel as bootloader, which gives interesting
> opportunities (eg. using various services like filesystems, shells, etc
> in the bootloader).
> 
> With modern bootloaders like Barebox, the need for that IMHO isn't
> that huge anymore. OTOH, there're still several things, I'd wish to
> have available in the bootloader (eg. iscsi- or bnlkdev support).
> 
> Anyone here, who uses a Linux kernel as bootloader / preboot
> environment ?

Yes. See kexec.

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