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Subject[PATCH v2 05/23] arm64: use asm-generic/mmu_context.h for no-op implementations
Date
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
arch/arm64/include/asm/mmu_context.h | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/arch/arm64/include/asm/mmu_context.h b/arch/arm64/include/asm/mmu_context.h
index f2d7537d6f83..765e8a0f88c9 100644
--- a/arch/arm64/include/asm/mmu_context.h
+++ b/arch/arm64/include/asm/mmu_context.h
@@ -174,8 +174,7 @@ 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);
+void check_and_switch_context(struct mm_struct *mm, unsigned int cpu);

#define init_new_context(tsk,mm) ({ atomic64_set(&(mm)->context.id, 0); 0; })

@@ -202,6 +201,7 @@ 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)
{
@@ -242,12 +242,11 @@ 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);

+#include <asm-generic/mmu_context.h>
+
#endif /* !__ASSEMBLY__ */

#endif /* !__ASM_MMU_CONTEXT_H */
--
2.23.0
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