x86/boot: Micro-optimize GDT loading instructions

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Rearrange the instructions a bit to use a 32-bit displacement once
instead of 2/3 times. This saves 8 bytes of machine code.

Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Link: https://lore.kernel.org/r/20200202171353.3736319-8-nivedita@alum.mit.edu
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

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Arvind Sankar 2020-02-02 12:13:53 -05:00 • committed by Ard Biesheuvel

parent b75e2b076d

commit 8a3abe30de

1 changed files with 8 additions and 7 deletions

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arch/x86/boot/compressed/head_64.S

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