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authorNicholas Piggin <npiggin@gmail.com>2020-09-02 00:15:24 +1000
committerArnd Bergmann <arnd@arndb.de>2020-10-27 16:02:35 +0100
commit8e51efc2d74943a14dcc75df4a414375b54e4eca (patch)
tree43897a4cc28bef7e85dab72bc0d61d891a7337cf /arch/ia64
parentc96c177a9468da02dffbcf36774062574835c352 (diff)
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ia64: use asm-generic/mmu_context.h for no-op implementations
Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: linux-ia64@vger.kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/include/asm/mmu_context.h17
1 files 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 @@ out:
* 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)
{
@@ -124,12 +120,6 @@ init_new_context (struct task_struct *p, struct mm_struct *mm)
}
static inline void
-destroy_context (struct mm_struct *mm)
-{
- /* Nothing to do. */
-}
-
-static inline void
reload_context (nv_mm_context_t context)
{
unsigned long rid;
@@ -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 */