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| author | Dmitry Korotin <dkorotin@wavecomp.com> | 2019-06-18 21:25:43 +0000 |
|---|---|---|
| committer | Paul Burton <paul.burton@mips.com> | 2019-07-21 15:23:24 -0700 |
| commit | 61cbfff4b1a7c15a7e403473ca5a290fd13d5656 (patch) | |
| tree | e083bda48efd587b6c620688fc0e50e13880abc6 /arch/mips/include/asm/pgtable-bits.h | |
| parent | a23c4134955e87d9e16149daedefd3a602fb019b (diff) | |
| download | linux-61cbfff4b1a7c15a7e403473ca5a290fd13d5656.tar.gz linux-61cbfff4b1a7c15a7e403473ca5a290fd13d5656.tar.bz2 linux-61cbfff4b1a7c15a7e403473ca5a290fd13d5656.zip | |
MIPS: pte_special()/pte_mkspecial() support
Add support for pte_special() & pte_mkspecial(), replacing our previous
stubs with functional implementations.
Signed-off-by: Dmitry Korotin <dkorotin@wavecomp.com>
[paul.burton@mips.com:
- Fix for CONFIG_PHYS_ADDR_T_64BIT && CONFIG_CPU_MIPS32.
- Rewrite commit message.]
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Diffstat (limited to 'arch/mips/include/asm/pgtable-bits.h')
| -rw-r--r-- | arch/mips/include/asm/pgtable-bits.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/mips/include/asm/pgtable-bits.h b/arch/mips/include/asm/pgtable-bits.h index f3b1efd23f21..c2c1060b43ef 100644 --- a/arch/mips/include/asm/pgtable-bits.h +++ b/arch/mips/include/asm/pgtable-bits.h @@ -52,6 +52,7 @@ enum pgtable_bits { _PAGE_WRITE_SHIFT, _PAGE_ACCESSED_SHIFT, _PAGE_MODIFIED_SHIFT, + _PAGE_SPECIAL_SHIFT, }; /* @@ -78,6 +79,7 @@ enum pgtable_bits { _PAGE_WRITE_SHIFT, _PAGE_ACCESSED_SHIFT, _PAGE_MODIFIED_SHIFT, + _PAGE_SPECIAL_SHIFT, }; #elif defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX) @@ -90,6 +92,7 @@ enum pgtable_bits { _PAGE_WRITE_SHIFT, _PAGE_ACCESSED_SHIFT, _PAGE_MODIFIED_SHIFT, + _PAGE_SPECIAL_SHIFT, /* Used by TLB hardware (placed in EntryLo) */ _PAGE_GLOBAL_SHIFT = 8, @@ -113,6 +116,7 @@ enum pgtable_bits { #if defined(CONFIG_MIPS_HUGE_TLB_SUPPORT) _PAGE_HUGE_SHIFT, #endif + _PAGE_SPECIAL_SHIFT, /* Used by TLB hardware (placed in EntryLo*) */ #if defined(CONFIG_CPU_HAS_RIXI) @@ -135,6 +139,7 @@ enum pgtable_bits { #if defined(CONFIG_MIPS_HUGE_TLB_SUPPORT) # define _PAGE_HUGE (1 << _PAGE_HUGE_SHIFT) #endif +#define _PAGE_SPECIAL (1 << _PAGE_SPECIAL_SHIFT) /* Used by TLB hardware (placed in EntryLo*) */ #if defined(CONFIG_XPA) |