From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Matt Domsch <Matt_Domsch@dell.com>
Cc: Jeff Garzik <jgarzik@pobox.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: 2.7 block ramblings (was Re: DMA for ide-scsi?)
Date: Sun, 14 Sep 2003 23:26:54 +0100 [thread overview]
Message-ID: <1063578413.2479.18.camel@dhcp23.swansea.linux.org.uk> (raw)
In-Reply-To: <20030913021117.GA16296@tux.linuxdev.us.dell.com>
On Sad, 2003-09-13 at 17:11, Matt Domsch wrote:
> system-unique disk signature to the boot disk (int13 device 80h)
> "BOOT" or something - we've got 4 bytes available in the msdos label
> for it
int 13 is still available during the 16bit boot up phase of the kernel.
It does strike me as playing with fire, but an alternative approach
might work. Read the first 4K off the boot disk, stuff it somewhere
temporary and then in 32bit compare it with the disk starts..
next prev parent reply other threads:[~2003-09-14 22:29 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-13 20:16 James Bottomley
2003-09-13 21:27 ` Jeff Garzik
2003-09-14 11:15 ` Justin Cormack
2003-09-14 15:02 ` Alan Cox
2003-09-14 16:55 ` Kevin P. Fleming
2003-09-14 17:01 ` Andries Brouwer
2003-09-14 17:24 ` Jeff Garzik
2003-09-14 18:55 ` Alan Cox
2003-09-16 2:38 ` Thomas Molina
2003-09-16 13:56 ` Alan Cox
2003-09-14 17:20 ` Jeff Garzik
2003-09-14 16:12 ` Andries Brouwer
2003-09-14 17:30 ` Jeff Garzik
2003-09-13 2:11 ` Matt Domsch
2003-09-14 22:26 ` Alan Cox [this message]
2003-09-13 6:05 ` Matt Domsch
2003-09-15 22:16 ` Matt Domsch
2003-09-15 3:23 ` Andre Hedrick
-- strict thread matches above, loose matches on Subject: below --
2003-09-13 11:01 DMA for ide-scsi? Mikael Pettersson
2003-09-13 18:04 ` Alan Cox
2003-09-13 18:49 ` 2.7 block ramblings (was Re: DMA for ide-scsi?) Jeff Garzik
2003-09-13 19:01 ` Jeff Garzik
2003-09-13 19:06 ` Jeff Garzik
2003-09-15 7:34 ` Jens Axboe
2003-09-16 19:49 ` Jeff Garzik
2003-09-16 19:55 ` Jens Axboe
2003-09-20 18:28 ` Jeff Garzik
2003-09-20 22:16 ` Alan Cox
2003-09-20 22:22 ` Jeff Garzik
2003-09-20 22:46 ` Alan Cox
2003-09-21 9:23 ` Jens Axboe
2003-09-13 19:24 ` Bartlomiej Zolnierkiewicz
2003-09-13 19:57 ` Jeff Garzik
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