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xen-devel
[Xen-devel] Re: [PATCH 04/10] i386: clean up bzImage generation
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To: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
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Subject: |
[Xen-devel] Re: [PATCH 04/10] i386: clean up bzImage generation |
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From: |
"H. Peter Anvin" <hpa@xxxxxxxxx> |
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Date: |
Fri, 15 Jun 2007 09:20:14 -0700 |
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Cc: |
Xen-Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Rusty Russell <rusty@xxxxxxxxxxxxxxx>, lkml <linux-kernel@xxxxxxxxxxxxxxx>, v12n <virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx>, Vivek Goyal <vgoyal@xxxxxxxxxx>, "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Andi Kleen <ak@xxxxxxx> |
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Tue, 19 Jun 2007 08:53:36 -0700 |
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<20070615005012.962196819@xxxxxxxx> |
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Jeremy Fitzhardinge wrote:
> -setup_move_size: .word 0x8000 # size to move, when setup is
> not
> +setup_move_size: .word _setup_size # size to move, when setup is not
> # loaded at 0x90000. We will move setup
> # to 0x90000 then just before jumping
> # into the kernel. However, only the
This is WRONG and will break 2.00 protocol bootloaders, if any still
exist, and quite possibly some 2.01 protocol bootloaders. There are
definitiely bootloaders in the field that rely on this implicit value.
> @@ -246,7 +246,6 @@ setup2:
> jnz 1f
> movw $0xfffc, %sp # Make sure we're not zero
> 1: movzwl %sp, %esp # Clear upper half of %esp
> - sti
Motivation, please?
-hpa
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[Xen-devel] [PATCH 01/10] update boot spec to 2.07, Jeremy Fitzhardinge
[Xen-devel] [PATCH 02/10] allow linux/elf.h to be included in assembler, Jeremy Fitzhardinge
[Xen-devel] [PATCH 04/10] i386: clean up bzImage generation, Jeremy Fitzhardinge
- [Xen-devel] Re: [PATCH 04/10] i386: clean up bzImage generation,
H. Peter Anvin <=
[Xen-devel] [PATCH 06/10] add WEAK() for creating weak asm labels, Jeremy Fitzhardinge
[Xen-devel] [PATCH 07/10] always allocate space for notes, Jeremy Fitzhardinge
[Xen-devel] [PATCH 09/10] ask the hypervisor how much space it needs reserved, Jeremy Fitzhardinge
[Xen-devel] [PATCH 08/10] i386: paravirt boot sequence, Jeremy Fitzhardinge
[Xen-devel] [PATCH 10/10] xen: use boot protocol to boot xen kernel, Jeremy Fitzhardinge
[Xen-devel] [PATCH 05/10] i386: make the bzImage payload an ELF file, Jeremy Fitzhardinge
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