From edf559cda9c3c2e28d42ff032eeeeea3e12fd09a Mon Sep 17 00:00:00 2001
From: Cuda-Chen <clh960524@gmail.com>
Date: Sat, 28 Dec 2024 15:48:12 +0800
Subject: [PATCH] Remove mfence

---
 virtio-snd.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/virtio-snd.c b/virtio-snd.c
index 291b1cc..c6bc4ca 100644
--- a/virtio-snd.c
+++ b/virtio-snd.c
@@ -301,9 +301,9 @@ typedef struct {
     // PCM frame ring buffer
     virtio_snd_ring_buffer_t ring;
 } virtio_snd_prop_t;
-#define VSND_COMPILER_BARRIER       \
-    do {                            \
-        asm("mfence" ::: "memory"); \
+#define VSND_COMPILER_BARRIER \
+    do {                      \
+        asm("" ::: "memory"); \
     } while (0)
 
 static virtio_snd_config_t vsnd_configs[VSND_DEV_CNT_MAX];