[PATCH v2 1/3] x86/boot: Add xloadflags bits for 5-level kernel checking

Add two bits XLF_5LEVEL and XLF_5LEVEL_ENABLED for 5-level kernel. Bit XLF_5LEVEL indicates if 5-level related code is contained in this kernel. Bit XLF_5LEVEL_ENABLED indicates if CONFIG_X86_5LEVEL=y is set. They are being used in later patch to check if kexec/kdump kernel is loaded in right plac

[PATCH v2 1/3] x86/boot: Add xloadflags bits for 5-level kernel checking

Add two bits XLF_5LEVEL and XLF_5LEVEL_ENABLED for 5-level kernel. Bit XLF_5LEVEL indicates if 5-level related code is contained in this kernel. Bit XLF_5LEVEL_ENABLED indicates if CONFIG_X86_5LEVEL=y is set. They are being used in later patch to check if kexec/kdump kernel is loaded in right plac