[PATCH v2 08/23] ia64: use asm-generic/mmu_context.h for no-op implementations

Nicholas Piggin
2020-08-26T14:56:55Z

Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: linux-ia64@vger.kernel.org
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
arch/ia64/include/asm/mmu_context.h | 17 ++++-------------
1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/arch/ia64/include/asm/mmu_context.h b/arch/ia64/include/asm/mmu_context.h
index 2da0e2eb036b..87a0d5bc11ef 100644
--- a/arch/ia64/include/asm/mmu_context.h
+++ b/arch/ia64/include/asm/mmu_context.h
@@ -49,11 +49,6 @@ DECLARE_PER_CPU(u8, ia64_need_tlb_flush);
extern void mmu_context_init (void);
extern void wrap_mmu_context (struct mm_struct *mm);

-static inline void
-enter_lazy_tlb (struct mm_struct *mm, struct task_struct *tsk)
-{
-}
-
/*
* When the context counter wraps around all TLBs need to be flushed because
* an old context number might have been reused. This is signalled by the
@@ -116,6 +111,7 @@ get_mmu_context (struct mm_struct *mm)
* Initialize context number to some sane value. MM is guaranteed to be a
* brand-new address-space, so no TLB flushing is needed, ever.
*/
+#define init_new_context init_new_context
static inline int
init_new_context (struct task_struct *p, struct mm_struct *mm)
{
@@ -123,12 +119,6 @@ init_new_context (struct task_struct *p, struct mm_struct *mm)
return 0;
}

-static inline void
-destroy_context (struct mm_struct *mm)
-{
- /* Nothing to do. */
-}
-
static inline void
reload_context (nv_mm_context_t context)
{
@@ -178,11 +168,10 @@ activate_context (struct mm_struct *mm)
} while (unlikely(context != mm->context));
}

-#define deactivate_mm(tsk,mm) do { } while (0)
-
/*
* Switch from address space PREV to address space NEXT.
*/
+#define activate_mm activate_mm
static inline void
activate_mm (struct mm_struct *prev, struct mm_struct *next)
{
@@ -196,5 +185,7 @@ activate_mm (struct mm_struct *prev, struct mm_struct *next)

#define switch_mm(prev_mm,next_mm,next_task) activate_mm(prev_mm, next_mm)

+#include <asm-generic/mmu_context.h>
+
# endif /* ! __ASSEMBLY__ */
#endif /* _ASM_IA64_MMU_CONTEXT_H */
--
2.23.0