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OpenCloudOS-Kernel
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alpha: use asm-generic/mmu_context.h for no-op implementations 

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Acked-by: Matt Turner <mattst88@gmail.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: linux-alpha@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Nicholas Piggin 2020-09-02 00:15:18 +10:00 committed by Arnd Bergmann
parent 94f89922e1
commit 6dfc3f5bcb
1 changed files with 4 additions and 8 deletions
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12
arch/alpha/include/asm/mmu_context.h
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@ -214,8 +214,6 @@ ev4_activate_mm(struct mm_struct *prev_mm, struct mm_struct *next_mm)
tbiap(); tbiap();
} }
#define deactivate_mm(tsk,mm) do { } while (0)
#ifdef CONFIG_ALPHA_GENERIC #ifdef CONFIG_ALPHA_GENERIC
# define switch_mm(a,b,c) alpha_mv.mv_switch_mm((a),(b),(c)) # define switch_mm(a,b,c) alpha_mv.mv_switch_mm((a),(b),(c))
# define activate_mm(x,y) alpha_mv.mv_activate_mm((x),(y)) # define activate_mm(x,y) alpha_mv.mv_activate_mm((x),(y))
@ -229,6 +227,7 @@ ev4_activate_mm(struct mm_struct *prev_mm, struct mm_struct *next_mm)
# endif # endif
#endif #endif
#define init_new_context init_new_context
static inline int static inline int
init_new_context(struct task_struct *tsk, struct mm_struct *mm) init_new_context(struct task_struct *tsk, struct mm_struct *mm)
{ {
@ -242,12 +241,7 @@ init_new_context(struct task_struct *tsk, struct mm_struct *mm)
return 0; return 0;
} }
extern inline void #define enter_lazy_tlb enter_lazy_tlb
destroy_context(struct mm_struct *mm)
{
/* Nothing to do. */
}
static inline void static inline void
enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
{ {
@ -255,6 +249,8 @@ enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
= ((unsigned long)mm->pgd - IDENT_ADDR) >> PAGE_SHIFT; = ((unsigned long)mm->pgd - IDENT_ADDR) >> PAGE_SHIFT;
} }
#include <asm-generic/mmu_context.h>
#ifdef __MMU_EXTERN_INLINE #ifdef __MMU_EXTERN_INLINE
#undef __EXTERN_INLINE #undef __EXTERN_INLINE
#undef __MMU_EXTERN_INLINE #undef __MMU_EXTERN_INLINE