From: Paolo Bonzini <pbonzini@redhat.com>
Date: Fri, 3 Mar 2023 10:15:28 +0000 (+0100)
Subject: postcopy-ram: do not use qatomic_mb_read
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=4592eaf38755a28300d113cd128f65b5b38495f2;p=qemu.git

postcopy-ram: do not use qatomic_mb_read

It does not even pair with a qatomic_mb_set(), so it is clearer to use
load-acquire in this case; they are synonyms.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---

diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c
index 93f39f8e06..7d24dac397 100644
--- a/migration/postcopy-ram.c
+++ b/migration/postcopy-ram.c
@@ -1500,7 +1500,7 @@ static PostcopyState incoming_postcopy_state;
 
 PostcopyState  postcopy_state_get(void)
 {
-    return qatomic_mb_read(&incoming_postcopy_state);
+    return qatomic_load_acquire(&incoming_postcopy_state);
 }
 
 /* Set the state and return the old state */