x86/mm: Replace compile-time checks for 5-level paging with runtime-time checks

Browse source

This patch converts the of CONFIG_X86_5LEVEL check to runtime checks for
p4d folding.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mm@kvack.org
Link: http://lkml.kernel.org/r/20180214182542.69302-9-kirill.shutemov@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

...

This commit is contained in:

Kirill A. Shutemov 2018-02-14 21:25:41 +03:00 • committed by Ingo Molnar

parent 98219dda2a

commit 91f606a8fa

10 changed files with 46 additions and 45 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

21

arch/x86/include/asm/pgtable_64.h

View file

4

arch/x86/mm/dump_pagetables.c

View file

4

arch/x86/mm/fault.c

View file

2

arch/x86/mm/ident_map.c

View file

30

arch/x86/mm/init_64.c

View file

12

arch/x86/mm/kasan_init_64.c

View file

6

arch/x86/mm/kaslr.c

View file

2

arch/x86/mm/tlb.c

View file

2

arch/x86/platform/efi/efi_64.c

View file

6

arch/x86/power/hibernate_64.c

View file