x86/sev: Move early startup code into .head.text section

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In preparation for implementing rigorous build time checks to enforce
that only code that can support it will be called from the early 1:1
mapping of memory, move SEV init code that is called in this manner to
the .head.text section.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20240227151907.387873-19-ardb+git@google.com

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This commit is contained in:

Ard Biesheuvel 2024-02-27 16:19:16 +01:00 • committed by Borislav Petkov (AMD)

parent 48204aba80

commit 428080c9b1

4 changed files with 26 additions and 24 deletions

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3

arch/x86/boot/compressed/sev.c

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10

arch/x86/include/asm/sev.h

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23

arch/x86/kernel/sev-shared.c

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14

arch/x86/kernel/sev.c

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