[PATCH 1/8] x86/boot/64: Rewrite startup_64 in C

The patch write most of startup_64 logic in C. This is preparation for 5-level paging enabling. Signed-off-by: Kirill A. Shutemov --- arch/x86/kernel/head64.c | 81 - arch/x86/kernel/head_64.S | 93

[PATCH 1/8] x86/boot/64: Rewrite startup_64 in C

The patch write most of startup_64 logic in C. This is preparation for 5-level paging enabling. Signed-off-by: Kirill A. Shutemov --- arch/x86/kernel/head64.c | 81 - arch/x86/kernel/head_64.S | 93 +-- 2