xtensa: use asm-generic/mmu_context.h for no-op implementations (0a1c8e54) · Commits · 戴 / test

arch/xtensa/include/asm/mmu_context.h

+3 −8

Original line number	Diff line number	Diff line
		@@ -111,6 +111,7 @@ static inline void activate_context(struct mm_struct *mm, unsigned int cpu)
		* to -1 says the process has never run on any core.
		*/

		#define init_new_context init_new_context
		static inline int init_new_context(struct task_struct *tsk,
		struct mm_struct *mm)
		{
		@@ -136,24 +137,18 @@ static inline void switch_mm(struct mm_struct prev, struct mm_struct next,
		activate_context(next, cpu);
		}

		#define activate_mm(prev, next) switch_mm((prev), (next), NULL)
		#define deactivate_mm(tsk, mm) do { } while (0)

		/*
		* Destroy context related info for an mm_struct that is about
		* to be put to rest.
		*/
		#define destroy_context destroy_context
		static inline void destroy_context(struct mm_struct *mm)
		{
		invalidate_page_directory();
		}


		static inline void enter_lazy_tlb(struct mm_struct mm, struct task_struct tsk)
		{
		/* Nothing to do. */

		}
		#include <asm-generic/mmu_context.h>

		#endif /* CONFIG_MMU */
		#endif /* _XTENSA_MMU_CONTEXT_H */

+1 −25

Original line number	Diff line number	Diff line
		@@ -7,28 +7,4 @@ static inline void init_kio(void)
		{
		}

		static inline void enter_lazy_tlb(struct mm_struct mm, struct task_struct tsk)
		{
		}

		static inline int init_new_context(struct task_struct tsk,struct mm_struct mm)
		{
		return 0;
		}

		static inline void destroy_context(struct mm_struct *mm)
		{
		}

		static inline void activate_mm(struct mm_struct prev, struct mm_struct next)
		{
		}

		static inline void switch_mm(struct mm_struct prev, struct mm_struct next,
		struct task_struct *tsk)
		{
		}

		static inline void deactivate_mm(struct task_struct tsk, struct mm_struct mm)
		{
		}
		#include <asm-generic/nommu_context.h>