Changeset 39717 in vbox for trunk/src/VBox/VMM/VMMR3

Timestamp:

Jan 7, 2012 2:05:36 AM (13 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

75575

Message:

Don't use Xchg when just writing.

File:

• trunk/src/VBox/VMM/VMMR3/PDMAsyncCompletion.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR3/PDMAsyncCompletion.cpp

@@ -1489 +1489 @@
          * the new limit immediately.
          */
-        ASMAtomicXchgU32(&pBwMgr->cbTransferPerSecMax, cbMaxNew);
-        ASMAtomicXchgU32(&pBwMgr->cbTransferPerSecStart, cbMaxNew);
+        ASMAtomicWriteU32(&pBwMgr->cbTransferPerSecMax, cbMaxNew);
+        ASMAtomicWriteU32(&pBwMgr->cbTransferPerSecStart, cbMaxNew);
     }
     else