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From: Andrea Arcangeli <andrea@suse.de>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk>,
	Tigran Aivazian <tigran@veritas.com>,
	"H. Peter Anvin" <hpa@transmeta.com>,
	Max Inux <maxinux@bigfoot.com>, "H. Peter Anvin" <hpa@zytor.com>,
	linux-kernel@vger.kernel.org
Subject: Re: bzImage ~ 900K with i386 test11-pre2
Date: Sun, 12 Nov 2000 12:29:10 +0100	[thread overview]
Message-ID: <20001112122910.A2366@athlon.random> (raw)
In-Reply-To: <Pine.LNX.4.21.0011111644110.1036-100000@saturn.homenet> <m1ofzmcne5.fsf@frodo.biederman.org>
In-Reply-To: <m1ofzmcne5.fsf@frodo.biederman.org>; from ebiederm@xmission.com on Sat, Nov 11, 2000 at 12:35:46PM -0700

On Sat, Nov 11, 2000 at 12:35:46PM -0700, Eric W. Biederman wrote:
> With respect to .bss issues we should clear it before we set up page tables.

We could sure do that but that's a minor win since we still need a
large mapping (more than 1 pagetable) for the bootmem allocator. (and we need
at least 1 pagetable setup as ident mapping at 0x100000 for the instruction
where we enable paging)

> We also do stupid things like set segment registers before setting up
> a GDT.  Yes we set them in setup.S but it is still a stupid non-obvious
		     ^^^^
I think you meant: we set "it" (gdt_48) up.

> dependency.  We we can do it in setup.S

I removed that dependency in x86-64.

Andrea
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  reply	other threads:[~2000-11-12 11:30 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-11-10 23:37 bzImage ~ 900K with i386 test11-pre2 Robert Lynch
2000-11-10 23:47 ` H. Peter Anvin
2000-11-11  2:25   ` Max Inux
2000-11-11  3:03     ` H. Peter Anvin
2000-11-11  5:28       ` Chmouel Boudjnah
2000-11-11 11:27       ` Max Inux
2000-11-11 11:28         ` Jan Niehusmann
2000-11-11 11:38         ` bzImage ~ 900K with i386 test11-pre2, I stand corrected Max Inux
2000-11-11 13:49         ` bzImage ~ 900K with i386 test11-pre2 James A. Sutherland
2000-11-11 20:08         ` H. Peter Anvin
2000-11-11 11:36       ` Tigran Aivazian
2000-11-11 11:38         ` Tigran Aivazian
2000-11-11 11:52         ` Max Inux
2000-11-11 14:42         ` Andrea Arcangeli
2000-11-11 14:51           ` Tigran Aivazian
2000-11-11 16:26             ` Andrea Arcangeli
2000-11-11 16:46               ` Tigran Aivazian
2000-11-11 18:47                 ` Andrea Arcangeli
2000-11-11 19:35                 ` Eric W. Biederman
2000-11-12 11:29                   ` Andrea Arcangeli [this message]
2000-11-12 13:14                     ` Eric W. Biederman
2000-11-12 15:37                       ` Andrea Arcangeli
2000-11-12 15:44                         ` Andi Kleen
2000-11-12 16:33                           ` Andrea Arcangeli
2000-11-12 18:57                         ` Eric W. Biederman
2000-11-12 19:33                           ` Andi Kleen
2000-11-16 17:43                             ` Eric W. Biederman
2000-11-12 22:30                           ` Andrea Arcangeli
2000-11-12 19:20                         ` Eric W. Biederman
2000-11-12 23:03                           ` Andrea Arcangeli
2000-11-11 20:09         ` H. Peter Anvin
2000-11-12 16:22           ` Andrea Arcangeli
2000-11-11 16:05       ` Andrzej Krzysztofowicz
2000-11-11 17:27         ` Jeff Garzik
2000-11-14 14:02         ` Werner Almesberger
2000-11-11  5:47 ` Peter Samuelson
2000-11-11 14:30   ` Andi Kleen
2000-11-11 15:43     ` Thomas Köhler
2000-11-11 18:03     ` Robert Lynch
2000-11-11 18:30       ` Andi Kleen
2000-11-11 18:57         ` Robert Lynch
2000-11-11 20:35           ` Andi Kleen

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