diff options
Diffstat (limited to 'arch/powerpc/include/asm/mmu_context.h')
| -rw-r--r-- | arch/powerpc/include/asm/mmu_context.h | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h index 57f5017111f4..a157ab513347 100644 --- a/arch/powerpc/include/asm/mmu_context.h +++ b/arch/powerpc/include/asm/mmu_context.h @@ -116,9 +116,6 @@ static inline bool need_extra_context(struct mm_struct *mm, unsigned long ea) } #endif -extern int use_cop(unsigned long acop, struct mm_struct *mm); -extern void drop_cop(unsigned long acop, struct mm_struct *mm); - #ifdef CONFIG_PPC_BOOK3S_64 static inline void inc_mm_active_cpus(struct mm_struct *mm) { @@ -127,6 +124,7 @@ static inline void inc_mm_active_cpus(struct mm_struct *mm) static inline void dec_mm_active_cpus(struct mm_struct *mm) { + VM_WARN_ON_ONCE(atomic_read(&mm->context.active_cpus) <= 0); atomic_dec(&mm->context.active_cpus); } @@ -259,15 +257,6 @@ static inline void enter_lazy_tlb(struct mm_struct *mm, extern void arch_exit_mmap(struct mm_struct *mm); -static inline void arch_unmap(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ - unsigned long vdso_base = (unsigned long)mm->context.vdso; - - if (start <= vdso_base && vdso_base < end) - mm->context.vdso = NULL; -} - #ifdef CONFIG_PPC_MEM_KEYS bool arch_vma_access_permitted(struct vm_area_struct *vma, bool write, bool execute, bool foreign); |