1 files changed, 2 insertions, 1 deletions

diff --git a/arch/arm64/lib/bitops.S b/arch/arm64/lib/bitops.S
index e5db797790d3..7dac371cc9a2 100644
--- a/arch/arm64/lib/bitops.S
+++ b/arch/arm64/lib/bitops.S
@@ -46,11 +46,12 @@ ENTRY(	\name	)
         mov     x2, #1
         add     x1, x1, x0, lsr #3      // Get word offset
         lsl     x4, x2, x3              // Create mask
-1:      ldaxr   x2, [x1]
+1:      ldxr    x2, [x1]
         lsr     x0, x2, x3              // Save old value of bit
         \instr  x2, x2, x4              // toggle bit
         stlxr   w5, x2, [x1]
         cbnz    w5, 1b
+        dmb     ish
         and     x0, x0, #1
 3:      ret
 ENDPROC(\name   )