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SubjectRe: [PATCH] more i386 head.S cleanups
Followup to:  <>
By author: Brian Gerst <>
In newsgroup:
> - Move empty_zero_page and swapper_pg_dir to BSS. This requires that
> BSS is cleared earlier, but reclaims over 3k that was lost due to page
> alignment.
> - Move stack_start, ready, and int_msg, boot_gdt_descr, idt_descr, and
> cpu_gdt_descr to .data. They were interfering with disassembly while in
> .text.

Some of them should be in .rodata instead of .data.

.data should only be used for modifiable numbers.

All in all these patches are a good idea; I had the same thoughts when
I was doing the changes to the boot page tables, but didn't want to
change too much at once.

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