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| author | Kirill A. Shutemov | 2017-03-30 10:07:29 +0200 |
|---|---|---|
| committer | Ingo Molnar | 2017-04-04 08:22:34 +0200 |
| commit | b8504058a06bd19286c8b59539eebfda69d1ecb5 (patch) | |
| tree | 72d8e88e18d3ff334887073fdc1117f5f7f267a0 /arch/x86/include/asm/pgtable_types.h | |
| parent | x86/paravirt: Add 5-level support to the paravirt code (diff) | |
| download | kernel-qcow2-linux-b8504058a06bd19286c8b59539eebfda69d1ecb5.tar.gz kernel-qcow2-linux-b8504058a06bd19286c8b59539eebfda69d1ecb5.tar.xz kernel-qcow2-linux-b8504058a06bd19286c8b59539eebfda69d1ecb5.zip | |
x86/mm: Add basic defines/helpers for CONFIG_X86_5LEVEL=y
Extends pagetable headers to support the new paging mode.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Lutomirski <luto@kernel.org>
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: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-arch@vger.kernel.org
Cc: linux-mm@kvack.org
Link: http://lkml.kernel.org/r/20170330080731.65421-6-kirill.shutemov@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/pgtable_types.h')
| -rw-r--r-- | arch/x86/include/asm/pgtable_types.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h index 4930afe9df0a..bf9638e1ee42 100644 --- a/arch/x86/include/asm/pgtable_types.h +++ b/arch/x86/include/asm/pgtable_types.h @@ -273,9 +273,17 @@ static inline pgdval_t pgd_flags(pgd_t pgd) } #if CONFIG_PGTABLE_LEVELS > 4 +typedef struct { p4dval_t p4d; } p4d_t; -#error FIXME +static inline p4d_t native_make_p4d(pudval_t val) +{ + return (p4d_t) { val }; +} +static inline p4dval_t native_p4d_val(p4d_t p4d) +{ + return p4d.p4d; +} #else #include <asm-generic/pgtable-nop4d.h> |