x86/efi: Add 5-level paging support
authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Fri, 17 Mar 2017 18:55:11 +0000 (21:55 +0300)
committerIngo Molnar <mingo@kernel.org>
Mon, 27 Mar 2017 06:56:25 +0000 (08:56 +0200)
commite981316f560482c001dede7f5b29259bde0b8afb
tree918b69afbafe6639c6847d0584d68fdf6aebcaa0
parent7f68904182e2f346c11b0acd74048181dc6615bb
x86/efi: Add 5-level paging support

Allocate additional page table level and ajdust efi_sync_low_kernel_mappings()
to work with additional page table level.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-arch@vger.kernel.org
Cc: linux-mm@kvack.org
Link: http://lkml.kernel.org/r/20170317185515.8636-3-kirill.shutemov@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/platform/efi/efi_64.c