diff --git a/arch/arm64/lib/bitops.S b/arch/arm64/lib/bitops.S index eaed8bbd78fc5e144e0e9fa6d0cba2a9d1ecf50b..36216d30cb9af72167f44b76cce35ab81de4ad8b 100644 --- a/arch/arm64/lib/bitops.S +++ b/arch/arm64/lib/bitops.S @@ -46,13 +46,11 @@ ENTRY( \name ) mov x2, #1 add x1, x1, x0, lsr #3 // Get word offset lsl x4, x2, x3 // Create mask - smp_dmb ish -1: ldxr x2, [x1] +1: ldaxr x2, [x1] lsr x0, x2, x3 // Save old value of bit \instr x2, x2, x4 // toggle bit - stxr w5, x2, [x1] + stlxr w5, x2, [x1] cbnz w5, 1b - smp_dmb ish and x0, x0, #1 3: ret ENDPROC(\name )