From 3d2de6cfbacb139ee101202e786b9355be92f960 Mon Sep 17 00:00:00 2001
From: Joran Dirk Greef <joran@ronomon.com>
Date: Sun, 4 Oct 2020 13:14:57 +0200
Subject: [PATCH] Use load relaxed semantics when reading the SQPOLL wakeup
 flag

---
 lib/std/os/linux/io_uring.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/std/os/linux/io_uring.zig b/lib/std/os/linux/io_uring.zig
index c142fa3f73..50e3453bb8 100644
--- a/lib/std/os/linux/io_uring.zig
+++ b/lib/std/os/linux/io_uring.zig
@@ -241,7 +241,7 @@ pub const IO_Uring = struct {
     pub fn sq_ring_needs_enter(self: *IO_Uring, submitted: u32, flags: *u32) bool {
         assert(flags.* == 0);
         if ((self.flags & linux.IORING_SETUP_SQPOLL) == 0 and submitted > 0) return true;
-        if ((@atomicLoad(u32, self.sq.flags, .Acquire) & linux.IORING_SQ_NEED_WAKEUP) != 0) {
+        if ((@atomicLoad(u32, self.sq.flags, .Unordered) & linux.IORING_SQ_NEED_WAKEUP) != 0) {
             flags.* |= linux.IORING_ENTER_SQ_WAKEUP;
             return true;
         }