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Diffstat (limited to 'arch/powerpc/mm/copro_fault.c')
-rw-r--r--arch/powerpc/mm/copro_fault.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/powerpc/mm/copro_fault.c b/arch/powerpc/mm/copro_fault.c
index aaa7ec6788b9..697b70ad1195 100644
--- a/arch/powerpc/mm/copro_fault.c
+++ b/arch/powerpc/mm/copro_fault.c
@@ -67,11 +67,13 @@ int copro_handle_mm_fault(struct mm_struct *mm, unsigned long ea,
if (!(vma->vm_flags & (VM_READ | VM_EXEC)))
goto out_unlock;
/*
- * protfault should only happen due to us
- * mapping a region readonly temporarily. PROT_NONE
- * is also covered by the VMA check above.
+ * PROT_NONE is covered by the VMA check above.
+ * and hash should get a NOHPTE fault instead of
+ * a PROTFAULT in case fixup is needed for things
+ * like autonuma.
*/
- WARN_ON_ONCE(dsisr & DSISR_PROTFAULT);
+ if (!radix_enabled())
+ WARN_ON_ONCE(dsisr & DSISR_PROTFAULT);
}
ret = 0;