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| author |   Nicholas Piggin <npiggin@gmail.com> | 2020-09-02 00:15:32 +1000 |
|---|---|---|
| committer |   Arnd Bergmann <arnd@arndb.de> | 2020-10-27 16:02:37 +0100 |
| commit | f4b90e37e3ede5535612d9fc8374c7dc216fa8c5 (patch) | |
| tree | 4f517278be69bc2768d0e95ef9f188fba3ba4cf2 /arch/powerpc/include/asm/mmu_context.h | |
| parent | parisc: use asm-generic/mmu_context.h for no-op implementations (diff) | |
| download | linux-dev-f4b90e37e3ede5535612d9fc8374c7dc216fa8c5.tar.xz linux-dev-f4b90e37e3ede5535612d9fc8374c7dc216fa8c5.zip | |
powerpc: use asm-generic/mmu_context.h for no-op implementations
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/powerpc/include/asm/mmu_context.h')
| -rw-r--r-- | arch/powerpc/include/asm/mmu_context.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h index e02aa793420b..b42813359f49 100644 --- a/arch/powerpc/include/asm/mmu_context.h +++ b/arch/powerpc/include/asm/mmu_context.h @@ -14,7 +14,9 @@ /* * Most if the context management is out of line */ +#define init_new_context init_new_context extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm); +#define destroy_context destroy_context extern void destroy_context(struct mm_struct *mm); #ifdef CONFIG_SPAPR_TCE_IOMMU struct mm_iommu_table_group_mem_t; @@ -235,27 +237,26 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, } #define switch_mm_irqs_off switch_mm_irqs_off - -#define deactivate_mm(tsk,mm) do { } while (0) - /* * After we have set current->mm to a new value, this activates * the context for the new mm so we see the new mappings. */ +#define activate_mm activate_mm static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next) { switch_mm_irqs_off(prev, next, current); } /* We don't currently use enter_lazy_tlb() for anything */ +#ifdef CONFIG_PPC_BOOK3E_64 +#define enter_lazy_tlb enter_lazy_tlb static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) { /* 64-bit Book3E keeps track of current PGD in the PACA */ -#ifdef CONFIG_PPC_BOOK3E_64 get_paca()->pgd = NULL; -#endif } +#endif extern void arch_exit_mmap(struct mm_struct *mm); @@ -298,5 +299,7 @@ static inline int arch_dup_mmap(struct mm_struct *oldmm, return 0; } +#include <asm-generic/mmu_context.h> + #endif /* __KERNEL__ */ #endif /* __ASM_POWERPC_MMU_CONTEXT_H */ |