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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>
This commit is contained in:
Nicholas Piggin 2020-09-02 00:15:24 +10:00 committed by Arnd Bergmann
parent c96c177a94
commit 8e51efc2d7
1 changed files with 4 additions and 13 deletions
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17
arch/ia64/include/asm/mmu_context.h
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@ -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)
{
@ -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 */