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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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