From c9b213d72ad152bb40f4ec0ebe772b761fbab3dd Mon Sep 17 00:00:00 2001
From: Ellen Poe <ellen.h.poe@gmail.com>
Date: Mon, 31 Jan 2022 18:13:08 -0800
Subject: [PATCH] Use a mutex for 64 bit atomics on xtensa

---
 tokio/src/macros/cfg.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tokio/src/macros/cfg.rs b/tokio/src/macros/cfg.rs
index 3b8fd3a7890..27aa5d24deb 100644
--- a/tokio/src/macros/cfg.rs
+++ b/tokio/src/macros/cfg.rs
@@ -425,7 +425,8 @@ macro_rules! cfg_has_atomic_u64 {
                     target_arch = "arm",
                     target_arch = "mips",
                     target_arch = "powerpc",
-                    target_arch = "riscv32"
+                    target_arch = "riscv32",
+                    target_arch = "xtensa"
                     )))]
             $item
         )*
@@ -439,7 +440,8 @@ macro_rules! cfg_not_has_atomic_u64 {
                     target_arch = "arm",
                     target_arch = "mips",
                     target_arch = "powerpc",
-                    target_arch = "riscv32"
+                    target_arch = "riscv32",
+                    target_arch = "xtensa"
                     ))]
             $item
         )*