| commit | 09e61a779e7f171c50325e6d7108a593afb2e5d4 | |
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | |
| Wed, 14 Feb 2018 11:16:55 +0000 (14 14:16 +0300) | ||
| committer | Ingo Molnar <mingo@kernel.org> | |
| Wed, 14 Feb 2018 12:11:15 +0000 (14 13:11 +0100) | ||
| tree | b32c4f5ab83c696463e439910afa1d8657d61cc0 | treesnapshot (tar.gz zip) |
| parent | 162434e7f58b21f0b6c9cc5fb02222cd7d9064cc | commitdiff |
x86/mm: Make __VIRTUAL_MASK_SHIFT dynamic
For boot-time switching between paging modes, we need to be able to
adjust virtual mask shifts.
The change doesn't affect the kernel image size much:
text data bss dec hex filename
8628892 4734340 1368064 14731296 e0c820 vmlinux.before
8628966 4734340 1368064 14731370 e0c86a vmlinux.after
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@suse.de>
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/20180214111656.88514-9-kirill.shutemov@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
For boot-time switching between paging modes, we need to be able to
adjust virtual mask shifts.
The change doesn't affect the kernel image size much:
text data bss dec hex filename
8628892 4734340 1368064 14731296 e0c820 vmlinux.before
8628966 4734340 1368064 14731370 e0c86a vmlinux.after
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@suse.de>
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/20180214111656.88514-9-kirill.shutemov@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| arch/x86/entry/entry_64.S | diffblobblamehistory | |
| arch/x86/include/asm/page_64_types.h | diffblobblamehistory | |
| arch/x86/mm/dump_pagetables.c | diffblobblamehistory | |
| arch/x86/mm/kaslr.c | diffblobblamehistory |