[PULL 02/20] postcopy-ram: do not use qatomic_mb_read

[Juan Quintela <quintela@redhat.com>]

From: Paolo Bonzini <pbonzini@redhat.com>

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>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
---
 migration/postcopy-ram.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 */
-- 
2.39.2