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arm: use asm-generic/mmu_context.h for no-op implementations 

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Nicholas Piggin 2020-09-02 00:15:20 +10:00 committed by Arnd Bergmann
parent 75e6a851d6
commit 292f70d7cd
1 changed files with 3 additions and 23 deletions
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26
arch/arm/include/asm/mmu_context.h
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@ -26,6 +26,8 @@ void __check_vmalloc_seq(struct mm_struct *mm);
#ifdef CONFIG_CPU_HAS_ASID
void check_and_switch_context(struct mm_struct *mm, struct task_struct *tsk);
#define init_new_context init_new_context
static inline int
init_new_context(struct task_struct *tsk, struct mm_struct *mm)
{
@ -92,32 +94,10 @@ static inline void finish_arch_post_lock_switch(void)
#endif /* CONFIG_MMU */
static inline int
init_new_context(struct task_struct *tsk, struct mm_struct *mm)
{
return 0;
}
#endif /* CONFIG_CPU_HAS_ASID */
#define destroy_context(mm) do { } while(0)
#define activate_mm(prev,next) switch_mm(prev, next, NULL)
/*
* This is called when "tsk" is about to enter lazy TLB mode.
*
* mm: describes the currently active mm context
* tsk: task which is entering lazy tlb
* cpu: cpu number which is entering lazy tlb
*
* tsk->mm will be NULL
*/
static inline void
enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
{
}
/*
* This is the actual mm switch as far as the scheduler
* is concerned. No registers are touched. We avoid
@ -149,6 +129,6 @@ switch_mm(struct mm_struct *prev, struct mm_struct *next,
#endif
}
#define deactivate_mm(tsk,mm) do { } while (0)
#include <asm-generic/mmu_context.h>
#endif