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Diffstat (limited to 'arch/powerpc/mm/copro_fault.c')
-rw-r--r--arch/powerpc/mm/copro_fault.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/mm/copro_fault.c b/arch/powerpc/mm/copro_fault.c
index 8acd00178956..7c507fb48182 100644
--- a/arch/powerpc/mm/copro_fault.c
+++ b/arch/powerpc/mm/copro_fault.c
@@ -65,6 +65,11 @@ int copro_handle_mm_fault(struct mm_struct *mm, unsigned long ea,
ret = 0;
*flt = handle_mm_fault(vma, ea, is_write ? FAULT_FLAG_WRITE : 0, NULL);
+
+ /* The fault is fully completed (including releasing mmap lock) */
+ if (*flt & VM_FAULT_COMPLETED)
+ return 0;
+
if (unlikely(*flt & VM_FAULT_ERROR)) {
if (*flt & VM_FAULT_OOM) {
ret = -ENOMEM;
@@ -82,6 +87,7 @@ out_unlock:
}
EXPORT_SYMBOL_GPL(copro_handle_mm_fault);
+#ifdef CONFIG_PPC_64S_HASH_MMU
int copro_calculate_slb(struct mm_struct *mm, u64 ea, struct copro_slb *slb)
{
u64 vsid, vsidkey;
@@ -146,3 +152,4 @@ void copro_flush_all_slbs(struct mm_struct *mm)
cxl_slbia(mm);
}
EXPORT_SYMBOL_GPL(copro_flush_all_slbs);
+#endif