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| author | Ard Biesheuvel <ardb@kernel.org> | 2024-02-27 18:19:16 +0300 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2024-03-04 20:12:37 +0300 |
| commit | 428080c9b19bfda37c478cd626dbd3851db1aff9 (patch) | |
| tree | 699df109a9062adc27d062d89d79fff4c626a347 /arch/x86/boot | |
| parent | 48204aba801f1b512b3abed10b8e1a63e03f3dd1 (diff) | |
| download | linux-428080c9b19bfda37c478cd626dbd3851db1aff9.tar.xz | |
x86/sev: Move early startup code into .head.text section
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
Diffstat (limited to 'arch/x86/boot')
| -rw-r--r-- | arch/x86/boot/compressed/sev.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/boot/compressed/sev.c b/arch/x86/boot/compressed/sev.c index 073291832f44..bea0719d70f2 100644 --- a/arch/x86/boot/compressed/sev.c +++ b/arch/x86/boot/compressed/sev.c @@ -116,6 +116,9 @@ static bool fault_in_kernel_space(unsigned long address) #undef __init #define __init +#undef __head +#define __head + #define __BOOT_COMPRESSED /* Basic instruction decoding support needed */ |