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| author | Ingo Molnar <mingo@elte.hu> | 2009-04-02 16:33:42 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-02 16:33:51 +0200 |
| commit | 83f2f0ed715eb15a8e13c07df479d65bbc10d8d5 (patch) | |
| tree | e47d7edefa210b328f8cfba43d170fc67d6e0671 /arch/sh/include/asm/mmu_context.h | |
| parent | 3de46fda4c104deef17ec70f85361f5c6b84ce0e (diff) | |
| parent | 4fe70410d9a219dabb47328effccae7e7f2a6e26 (diff) | |
| download | linux-83f2f0ed715eb15a8e13c07df479d65bbc10d8d5.tar.bz2 | |
Merge branch 'linus' into x86/urgent
Merge needed to go past commit 7ca43e756 (mm: use debug_kmap_atomic)
and fix it.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/sh/include/asm/mmu_context.h')
| -rw-r--r-- | arch/sh/include/asm/mmu_context.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/arch/sh/include/asm/mmu_context.h b/arch/sh/include/asm/mmu_context.h index 5d9157bd474d..2a9c55f1a83f 100644 --- a/arch/sh/include/asm/mmu_context.h +++ b/arch/sh/include/asm/mmu_context.h @@ -19,13 +19,18 @@ * (a) TLB cache version (or round, cycle whatever expression you like) * (b) ASID (Address Space IDentifier) */ +#ifdef CONFIG_CPU_HAS_PTEAEX +#define MMU_CONTEXT_ASID_MASK 0x0000ffff +#else #define MMU_CONTEXT_ASID_MASK 0x000000ff -#define MMU_CONTEXT_VERSION_MASK 0xffffff00 -#define MMU_CONTEXT_FIRST_VERSION 0x00000100 -#define NO_CONTEXT 0UL +#endif -/* ASID is 8-bit value, so it can't be 0x100 */ -#define MMU_NO_ASID 0x100 +#define MMU_CONTEXT_VERSION_MASK (~0UL & ~MMU_CONTEXT_ASID_MASK) +#define MMU_CONTEXT_FIRST_VERSION (MMU_CONTEXT_ASID_MASK + 1) + +/* Impossible ASID value, to differentiate from NO_CONTEXT. */ +#define MMU_NO_ASID MMU_CONTEXT_FIRST_VERSION +#define NO_CONTEXT 0UL #define asid_cache(cpu) (cpu_data[cpu].asid_cache) |