linux-stable/include/asm-cris/mmu_context.h
Mikael Starvik 8d20a541b0 [PATCH] CRIS update: SMP
Patches to support SMP.

* Each CPU has its own current_pgd.
* flush_tlb_range is implemented as flush_tlb_mm.
* Atomic operations implemented with spinlocks.
* Semaphores implemented with spinlocks.

Signed-off-by: Mikael Starvik <starvik@axis.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-27 16:26:01 -07:00

24 lines
741 B
C

#ifndef __CRIS_MMU_CONTEXT_H
#define __CRIS_MMU_CONTEXT_H
extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
extern void get_mmu_context(struct mm_struct *mm);
extern void destroy_context(struct mm_struct *mm);
extern void switch_mm(struct mm_struct *prev, struct mm_struct *next,
struct task_struct *tsk);
#define deactivate_mm(tsk,mm) do { } while (0)
#define activate_mm(prev,next) switch_mm((prev),(next),NULL)
/* current active pgd - this is similar to other processors pgd
* registers like cr3 on the i386
*/
extern volatile DEFINE_PER_CPU(pgd_t *,current_pgd); /* defined in arch/cris/mm/fault.c */
static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
{
}
#endif