mmu_context.h 927 字节
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __CRIS_MMU_CONTEXT_H
#define __CRIS_MMU_CONTEXT_H

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#include <asm-generic/mm_hooks.h>

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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)

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static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
{
	unsigned long flags;

	local_irq_save(flags);
	switch_mm(prev, next, NULL);
	local_irq_restore(flags);
}
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/* current active pgd - this is similar to other processors pgd 
 * registers like cr3 on the i386
 */

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/* defined in arch/cris/mm/fault.c */
DECLARE_PER_CPU(pgd_t *, current_pgd);
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static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
{
}

#endif
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