kernel-ark/include/asm-sparc/mmu_context.h
Linus Torvalds 1da177e4c3 Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!
2005-04-16 15:20:36 -07:00

41 lines
1.2 KiB
C

#ifndef __SPARC_MMU_CONTEXT_H
#define __SPARC_MMU_CONTEXT_H
#include <asm/btfixup.h>
#ifndef __ASSEMBLY__
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) */