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

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
Acked-by: Palmer Dabbelt <palmerdabbelt@google.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: linux-riscv@lists.infradead.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Nicholas Piggin 2020-09-02 00:15:33 +10:00 committed by Arnd Bergmann
parent f4b90e37e3
commit 2b56290d9f
1 changed files with 2 additions and 20 deletions
arch/riscv/include/asm
mmu_context.h

22
arch/riscv/include/asm/mmu_context.h
View File

@ -13,34 +13,16 @@
#include <linux/mm.h> #include <linux/mm.h>
#include <linux/sched.h> #include <linux/sched.h>
static inline void enter_lazy_tlb(struct mm_struct *mm,
struct task_struct *task)
{
}
/* Initialize context-related info for a new mm_struct */
static inline int init_new_context(struct task_struct *task,
struct mm_struct *mm)
{
return 0;
}
static inline void destroy_context(struct mm_struct *mm)
{
}
void switch_mm(struct mm_struct *prev, struct mm_struct *next, void switch_mm(struct mm_struct *prev, struct mm_struct *next,
struct task_struct *task); struct task_struct *task);
#define activate_mm activate_mm
static inline void activate_mm(struct mm_struct *prev, static inline void activate_mm(struct mm_struct *prev,
struct mm_struct *next) struct mm_struct *next)
{ {
switch_mm(prev, next, NULL); switch_mm(prev, next, NULL);
} }
static inline void deactivate_mm(struct task_struct *task, #include <asm-generic/mmu_context.h>
struct mm_struct *mm)
{
}
#endif /* _ASM_RISCV_MMU_CONTEXT_H */ #endif /* _ASM_RISCV_MMU_CONTEXT_H */