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arm64: use asm-generic/mmu_context.h for no-op implementations 

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
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 00:15:21 +10:00 committed by Arnd Bergmann
parent 292f70d7cd
commit d98295d31f
1 changed files with 4 additions and 4 deletions
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8
arch/arm64/include/asm/mmu_context.h
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@ -174,9 +174,9 @@ static inline void cpu_replace_ttbr1(pgd_t *pgdp)
* Setting a reserved TTBR0 or EPD0 would work, but it all gets ugly when you
* take CPU migration into account.
*/
#define destroy_context(mm) do { } while(0)
void check_and_switch_context(struct mm_struct *mm);
#define init_new_context(tsk, mm) init_new_context(tsk, mm)
static inline int
init_new_context(struct task_struct *tsk, struct mm_struct *mm)
{
@ -208,6 +208,7 @@ static inline void update_saved_ttbr0(struct task_struct *tsk,
}
#endif
#define enter_lazy_tlb enter_lazy_tlb
static inline void
enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
{
@ -248,15 +249,14 @@ switch_mm(struct mm_struct *prev, struct mm_struct *next,
update_saved_ttbr0(tsk, next);
}
#define deactivate_mm(tsk,mm) do { } while (0)
#define activate_mm(prev,next) switch_mm(prev, next, current)
void verify_cpu_asid_bits(void);
void post_ttbr_update_workaround(void);
unsigned long arm64_mm_context_get(struct mm_struct *mm);
void arm64_mm_context_put(struct mm_struct *mm);
#include <asm-generic/mmu_context.h>
#endif /* !__ASSEMBLY__ */
#endif /* !__ASM_MMU_CONTEXT_H */