1 files changed, 12 insertions, 2 deletions

diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index 77cfdbed9501..d073b64ae87e 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -926,8 +926,18 @@ static int __init alignment_init(void)
 
         hook_fault_code(1, do_alignment, SIGBUS, BUS_ADRALN,
                         "alignment exception");
-        hook_fault_code(3, do_alignment, SIGBUS, BUS_ADRALN,
-                        "alignment exception");
+
+        /*
+         * ARMv6K and ARMv7 use fault status 3 (0b00011) as Access Flag section
+         * fault, not as alignment error.
+         *
+         * TODO: handle ARMv6K properly. Runtime check for 'K' extension is
+         * needed.
+         */
+        if (cpu_architecture() <= CPU_ARCH_ARMv6) {
+                hook_fault_code(3, do_alignment, SIGBUS, BUS_ADRALN,
+                                "alignment exception");
+        }
 
         return 0;
 }