These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / powerpc / mm / mmu_context_hash64.c

diff --git a/kernel/arch/powerpc/mm/mmu_context_hash64.c b/kernel/arch/powerpc/mm/mmu_context_hash64.c
index 178876a..4e4efbc 100644 (file)
--- a/kernel/arch/powerpc/mm/mmu_context_hash64.c
+++ b/kernel/arch/powerpc/mm/mmu_context_hash64.c
@@ -88,6 +88,9 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm)
 
 #ifdef CONFIG_PPC_64K_PAGES
        mm->context.pte_frag = NULL;
+#endif
+#ifdef CONFIG_SPAPR_TCE_IOMMU
+       mm_iommu_init(&mm->context);
 #endif
        return 0;
 }
@@ -132,6 +135,9 @@ static inline void destroy_pagetable_page(struct mm_struct *mm)
 
 void destroy_context(struct mm_struct *mm)
 {
+#ifdef CONFIG_SPAPR_TCE_IOMMU
+       mm_iommu_cleanup(&mm->context);
+#endif
 
 #ifdef CONFIG_PPC_ICSWX
        drop_cop(mm->context.acop, mm);