diff options
| author | Huacai Chen <chenhc@lemote.com> | 2016-03-03 02:45:12 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2016-05-13 14:02:15 +0200 |
| commit | 380cd582c08831217ae693c86411902e6300ba6b (patch) | |
| tree | b7782319903d4af1ceae2e76edd8812b8392ef42 /arch/mips/include/asm/cpu-features.h | |
| parent | MIPS: Loongson: Invalidate special TLBs when needed (diff) | |
| download | linux-380cd582c08831217ae693c86411902e6300ba6b.tar.xz linux-380cd582c08831217ae693c86411902e6300ba6b.zip | |
MIPS: Loongson-3: Fast TLB refill handler
Loongson-3A R2 has pwbase/pwfield/pwsize/pwctl registers in CP0 (this
is very similar to HTW) and lwdir/lwpte/lddir/ldpte instructions which
can be used for fast TLB refill.
[ralf@linux-mips.org: Resolve conflict.]
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Steven J . Hill <sjhill@realitydiluted.com>
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12754/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/cpu-features.h')
| -rw-r--r-- | arch/mips/include/asm/cpu-features.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h index 6ff0504d090d..da92d513a395 100644 --- a/arch/mips/include/asm/cpu-features.h +++ b/arch/mips/include/asm/cpu-features.h @@ -35,6 +35,9 @@ #ifndef cpu_has_htw #define cpu_has_htw (cpu_data[0].options & MIPS_CPU_HTW) #endif +#ifndef cpu_has_ldpte +#define cpu_has_ldpte (cpu_data[0].options & MIPS_CPU_LDPTE) +#endif #ifndef cpu_has_rixiex #define cpu_has_rixiex (cpu_data[0].options & MIPS_CPU_RIXIEX) #endif |