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    Subject[PATCH 08/24] ia64: use asm-generic/mmu_context.h for no-op implementations
    Date
    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
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