[PATCH v2 17/23] riscv: use asm-generic/mmu_context.h for no-op implementations

Nicholas Piggin
2020-08-26T14:56:10Z

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
Acked-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
arch/riscv/include/asm/mmu_context.h | 22 ++--------------------
1 file changed, 2 insertions(+), 20 deletions(-)

diff --git a/arch/riscv/include/asm/mmu_context.h b/arch/riscv/include/asm/mmu_context.h
index 67c463812e2d..250defa06f3a 100644
--- a/arch/riscv/include/asm/mmu_context.h
+++ b/arch/riscv/include/asm/mmu_context.h
@@ -13,34 +13,16 @@
#include <linux/mm.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,
struct task_struct *task);

+#define activate_mm activate_mm
static inline void activate_mm(struct mm_struct *prev,
struct mm_struct *next)
{
switch_mm(prev, next, NULL);
}

-static inline void deactivate_mm(struct task_struct *task,
- struct mm_struct *mm)
-{
-}
+#include <asm-generic/mmu_context.h>

#endif /* _ASM_RISCV_MMU_CONTEXT_H */
--
2.23.0