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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-09 11:35:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-09 11:35:38 -0700 |
| commit | b7d5c9239855f99762e8a547bea03a436e8a12e8 (patch) | |
| tree | 1a6ae7653306cb0a4d250b9482c465f888e6fd8c /arch/x86/include | |
| parent | 608745f12462e2d8d94d5cc5dc94bf0960a881e3 (diff) | |
| parent | 8ff80fbe7e9870078b1cc3c2cdd8f3f223b333a9 (diff) | |
Merge branch 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 boot updates from Thomas Gleixner:
"Assorted updates to kexec/kdump:
- Proper kexec support for 4/5-level paging and jumping from a
5-level to a 4-level paging kernel.
- Make the EFI support for kexec/kdump more robust
- Enforce that the GDT is properly aligned instead of getting the
alignment by chance"
* 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/kdump/64: Restrict kdump kernel reservation to <64TB
x86/kexec/64: Prevent kexec from 5-level paging to a 4-level only kernel
x86/boot: Add xloadflags bits to check for 5-level paging support
x86/boot: Make the GDT 8-byte aligned
x86/kexec: Add the ACPI NVS region to the ident map
x86/boot: Call get_rsdp_addr() after console_init()
Revert "x86/boot: Disable RSDP parsing temporarily"
x86/boot: Use efi_setup_data for searching RSDP on kexec-ed kernels
x86/kexec: Add the EFI system tables and ACPI tables to the ident map
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/uapi/asm/bootparam.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/uapi/asm/bootparam.h b/arch/x86/include/uapi/asm/bootparam.h index 60733f137e9a..c895df5482c5 100644 --- a/arch/x86/include/uapi/asm/bootparam.h +++ b/arch/x86/include/uapi/asm/bootparam.h @@ -29,6 +29,8 @@ #define XLF_EFI_HANDOVER_32 (1<<2) #define XLF_EFI_HANDOVER_64 (1<<3) #define XLF_EFI_KEXEC (1<<4) +#define XLF_5LEVEL (1<<5) +#define XLF_5LEVEL_ENABLED (1<<6) #ifndef __ASSEMBLY__ |