powerpc/mm/copro_fault.c

23 int copro_handle_mm_fault(struct mm_struct *mm, unsigned long ea,
36 	vma = lock_mm_and_find_vma(mm, ea, NULL);
59 	*flt = handle_mm_fault(vma, ea, is_write ? FAULT_FLAG_WRITE : 0, NULL);
83 int copro_calculate_slb(struct mm_struct *mm, u64 ea, struct copro_slb *slb)
88 	switch (get_region_id(ea)) {
90 		pr_devel("%s: 0x%llx -- USER_REGION_ID\n", __func__, ea);
93 		psize = get_slice_psize(mm, ea);
94 		ssize = user_segment_size(ea);
95 		vsid = get_user_vsid(&mm->context, ea, ssize);
99 		pr_devel("%s: 0x%llx -- VMALLOC_REGION_ID\n", __func__, ea);
102 		vsid = get_kernel_vsid(ea, mmu_kernel_ssize);
106 		pr_devel("%s: 0x%llx -- IO_REGION_ID\n", __func__, ea);
109 		vsid = get_kernel_vsid(ea, mmu_kernel_ssize);
113 		pr_devel("%s: 0x%llx -- LINEAR_MAP_REGION_ID\n", __func__, ea);
116 		vsid = get_kernel_vsid(ea, mmu_kernel_ssize);
120 		pr_debug("%s: invalid region access at %016llx\n", __func__, ea);
132 	slb->esid = (ea & (ssize == MMU_SEGSIZE_1T ? ESID_MASK_1T : ESID_MASK)) | SLB_ESID_V;