--- libev/ev_linuxaio.c 2019/06/25 06:36:59 1.28 +++ libev/ev_linuxaio.c 2019/06/25 06:43:04 1.29 @@ -339,7 +339,6 @@ ECB_MEMORY_FENCE_RELEASE; /* as an extension to C, we hope that the volatile will make this atomic and once-only */ *(volatile unsigned *)&ring->head = tail; - /* make sure kernel can see our new head value - probably not required */ return 1; }