diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2015-09-03 14:06:33 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2015-09-03 14:06:33 +0200 |
| commit | 2db97045aa40da4312f7321845bc52b136c8603a (patch) | |
| tree | 0cfa0814655b5565afae377b9b675a0ef6d50222 /arch/mips/include/asm | |
| parent | fb2646ab032d12ef06225c64768691c7ecc500ec (diff) | |
| parent | e0d8b2ec532852d4b5aabcec3e7611848c32237d (diff) | |
Merge branch '4.2-fixes' into mips-for-linux-next
Diffstat (limited to 'arch/mips/include/asm')
| -rw-r--r-- | arch/mips/include/asm/pgtable-bits.h | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/arch/mips/include/asm/pgtable-bits.h b/arch/mips/include/asm/pgtable-bits.h index 002eeb224733..ff7ad91c85db 100644 --- a/arch/mips/include/asm/pgtable-bits.h +++ b/arch/mips/include/asm/pgtable-bits.h @@ -133,20 +133,13 @@ #define _PAGE_HUGE (1 << _PAGE_HUGE_SHIFT) #define _PAGE_SPLITTING_SHIFT (_PAGE_HUGE_SHIFT + 1) #define _PAGE_SPLITTING (1 << _PAGE_SPLITTING_SHIFT) - -/* Only R2 or newer cores have the XI bit */ -#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) -#define _PAGE_NO_EXEC_SHIFT (_PAGE_SPLITTING_SHIFT + 1) -#else -#define _PAGE_GLOBAL_SHIFT (_PAGE_SPLITTING_SHIFT + 1) -#define _PAGE_GLOBAL (1 << _PAGE_GLOBAL_SHIFT) -#endif /* CONFIG_CPU_MIPSR2 || CONFIG_CPU_MIPSR6 */ - #endif /* CONFIG_64BIT && CONFIG_MIPS_HUGE_TLB_SUPPORT */ #if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) /* XI - page cannot be executed */ -#ifndef _PAGE_NO_EXEC_SHIFT +#ifdef _PAGE_SPLITTING_SHIFT +#define _PAGE_NO_EXEC_SHIFT (_PAGE_SPLITTING_SHIFT + 1) +#else #define _PAGE_NO_EXEC_SHIFT (_PAGE_MODIFIED_SHIFT + 1) #endif #define _PAGE_NO_EXEC (cpu_has_rixi ? (1 << _PAGE_NO_EXEC_SHIFT) : 0) @@ -156,14 +149,16 @@ #define _PAGE_READ (cpu_has_rixi ? 0 : (1 << _PAGE_READ_SHIFT)) #define _PAGE_NO_READ_SHIFT _PAGE_READ_SHIFT #define _PAGE_NO_READ (cpu_has_rixi ? (1 << _PAGE_READ_SHIFT) : 0) +#endif /* defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) */ +#if defined(_PAGE_NO_READ_SHIFT) #define _PAGE_GLOBAL_SHIFT (_PAGE_NO_READ_SHIFT + 1) -#define _PAGE_GLOBAL (1 << _PAGE_GLOBAL_SHIFT) - -#else /* !CONFIG_CPU_MIPSR2 && !CONFIG_CPU_MIPSR6 */ +#elif defined(_PAGE_SPLITTING_SHIFT) +#define _PAGE_GLOBAL_SHIFT (_PAGE_SPLITTING_SHIFT + 1) +#else #define _PAGE_GLOBAL_SHIFT (_PAGE_MODIFIED_SHIFT + 1) +#endif #define _PAGE_GLOBAL (1 << _PAGE_GLOBAL_SHIFT) -#endif /* CONFIG_CPU_MIPSR2 || CONFIG_CPU_MIPSR6 */ #define _PAGE_VALID_SHIFT (_PAGE_GLOBAL_SHIFT + 1) #define _PAGE_VALID (1 << _PAGE_VALID_SHIFT) |