From: "H. Peter Anvin" <hpa@zytor.com>
To: linux-kernel@vger.kernel.org
Subject: Re: Killing off the boot sector (was: [STATUS 2.5] January 8, 2002)
Date: 8 Jan 2003 16:06:27 -0800 [thread overview]
Message-ID: <aviee3$2gs$1@cesium.transmeta.com> (raw)
In-Reply-To: 200301082123.h08LNXSY003383@darkstar.example.net
Followup to: <200301082123.h08LNXSY003383@darkstar.example.net>
By author: John Bradford <john@grabjohn.com>
In newsgroup: linux.dev.kernel
>
> Shouldn't that part stay, incase somebody boots a machine from a
> floppy, and leaves it running for hours?
>
No; interrupts are enabled so the BIOS will time out the floppy and
turn off the motor if necessary. The only reason Linux (sort of)
needs that code is because the kernel takes control away from the
BIOS. I say "sort of" because it really only matters if the kernel
doesn't have a floppy driver.
-hpa
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt <amsp@zytor.com>
next prev parent reply other threads:[~2003-01-08 23:57 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-08 18:05 [STATUS 2.5] January 8, 2002 Guillaume Boissiere
2003-01-08 20:03 ` Killing off the boot sector (was: [STATUS 2.5] January 8, 2002) H. Peter Anvin
2003-01-08 20:35 ` DervishD
2003-01-08 21:23 ` John Bradford
2003-01-09 0:06 ` H. Peter Anvin [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-01-11 16:03 Mikael Pettersson
2003-01-22 7:24 ` H. Peter Anvin
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