1 files changed, 7 insertions, 1 deletions

diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 3767211b3d0f..ab3546c5ac3a 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -283,7 +283,13 @@ good_area:
                 /* protection fault */
                 if (error_code & DSISR_PROTFAULT)
                         goto bad_area;
-                if (!(vma->vm_flags & VM_EXEC))
+                /*
+                 * Allow execution from readable areas if the MMU does not
+                 * provide separate controls over reading and executing.
+                 */
+                if (!(vma->vm_flags & VM_EXEC) &&
+                    (cpu_has_feature(CPU_FTR_NOEXECUTE) ||
+                     !(vma->vm_flags & (VM_READ | VM_WRITE))))
                         goto bad_area;
 #else
                 pte_t *ptep;