[PATCH v2 10/23] microblaze: use asm-generic/mmu_context.h for no-op implementations

Nicholas Piggin
2020-08-26T14:56:36Z

Cc: Michal Simek <monstr@monstr.eu>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
arch/microblaze/include/asm/mmu_context_mm.h | 8 ++++----
arch/microblaze/include/asm/processor.h | 3 ---
2 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/arch/microblaze/include/asm/mmu_context_mm.h b/arch/microblaze/include/asm/mmu_context_mm.h
index a1c7dd48454c..c2c77f708455 100644
--- a/arch/microblaze/include/asm/mmu_context_mm.h
+++ b/arch/microblaze/include/asm/mmu_context_mm.h
@@ -33,10 +33,6 @@
to represent all kernel pages as shared among all contexts.
*/

-static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
-{
-}
-
# define NO_CONTEXT 256
# define LAST_CONTEXT 255
# define FIRST_CONTEXT 1
@@ -105,6 +101,7 @@ static inline void get_mmu_context(struct mm_struct *mm)
/*
* We're finished using the context for an address space.
*/
+#define destroy_context destroy_context
static inline void destroy_context(struct mm_struct *mm)
{
if (mm->context != NO_CONTEXT) {
@@ -126,6 +123,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
* 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 *active_mm,
struct mm_struct *mm)
{
@@ -136,5 +134,7 @@ static inline void activate_mm(struct mm_struct *active_mm,

extern void mmu_context_init(void);

+#include <asm-generic/mmu_context.h>
+
# endif /* __KERNEL__ */
#endif /* _ASM_MICROBLAZE_MMU_CONTEXT_H */
diff --git a/arch/microblaze/include/asm/processor.h b/arch/microblaze/include/asm/processor.h
index 1ff5a82b76b6..616211871a6e 100644
--- a/arch/microblaze/include/asm/processor.h
+++ b/arch/microblaze/include/asm/processor.h
@@ -122,9 +122,6 @@ unsigned long get_wchan(struct task_struct *p);
# define KSTK_EIP(task) (task_pc(task))
# define KSTK_ESP(task) (task_sp(task))

-/* FIXME */
-# define deactivate_mm(tsk, mm) do { } while (0)
-
# define STACK_TOP TASK_SIZE
# define STACK_TOP_MAX STACK_TOP

--
2.23.0