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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/sparc/include/asm/mmu_context_32.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/sparc/include/asm/mmu_context_32.h')
-rw-r--r-- | arch/sparc/include/asm/mmu_context_32.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/mmu_context_32.h b/arch/sparc/include/asm/mmu_context_32.h new file mode 100644 index 00000000..671a997b --- /dev/null +++ b/arch/sparc/include/asm/mmu_context_32.h @@ -0,0 +1,42 @@ +#ifndef __SPARC_MMU_CONTEXT_H +#define __SPARC_MMU_CONTEXT_H + +#include <asm/btfixup.h> + +#ifndef __ASSEMBLY__ + +#include <asm-generic/mm_hooks.h> + +static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) +{ +} + +/* + * Initialize a new mmu context. This is invoked when a new + * address space instance (unique or shared) is instantiated. + */ +#define init_new_context(tsk, mm) (((mm)->context = NO_CONTEXT), 0) + +/* + * Destroy a dead context. This occurs when mmput drops the + * mm_users count to zero, the mmaps have been released, and + * all the page tables have been flushed. Our job is to destroy + * any remaining processor-specific state. + */ +BTFIXUPDEF_CALL(void, destroy_context, struct mm_struct *) + +#define destroy_context(mm) BTFIXUP_CALL(destroy_context)(mm) + +/* Switch the current MM context. */ +BTFIXUPDEF_CALL(void, switch_mm, struct mm_struct *, struct mm_struct *, struct task_struct *) + +#define switch_mm(old_mm, mm, tsk) BTFIXUP_CALL(switch_mm)(old_mm, mm, tsk) + +#define deactivate_mm(tsk,mm) do { } while (0) + +/* Activate a new MM instance for the current task. */ +#define activate_mm(active_mm, mm) switch_mm((active_mm), (mm), NULL) + +#endif /* !(__ASSEMBLY__) */ + +#endif /* !(__SPARC_MMU_CONTEXT_H) */ |