From: VMware, Inc <>
Date: Wed, 18 Sep 2013 03:30:26 +0000 (-0700)
Subject: Changes in shared code that don't affect open-vm-tools functionality.
X-Git-Tag: 2013.09.16-1328054~55
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1c9c43caa766bfd6222ee994e9d97f0fefeeedf9;p=thirdparty%2Fopen-vm-tools.git

Changes in shared code that don't affect open-vm-tools functionality.

Signed-off-by: Dmitry Torokhov <dtor@vmware.com>
---

diff --git a/open-vm-tools/lib/include/loglevel_user.h b/open-vm-tools/lib/include/loglevel_user.h
index 3dec8d3ea..ef2476188 100644
--- a/open-vm-tools/lib/include/loglevel_user.h
+++ b/open-vm-tools/lib/include/loglevel_user.h
@@ -1,5 +1,5 @@
 /*********************************************************
- * Copyright (C) 1998-2003 VMware, Inc. All rights reserved.
+ * Copyright (C) 1998-2013 VMware, Inc. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU Lesser General Public License as published
@@ -57,6 +57,7 @@
    LOGLEVEL_VAR(serial), \
    LOGLEVEL_VAR(parallel), \
    LOGLEVEL_VAR(chipset), \
+   LOGLEVEL_VAR(smram), \
    LOGLEVEL_VAR(smc), \
    LOGLEVEL_VAR(ich7m), \
    LOGLEVEL_VAR(hpet), \
diff --git a/open-vm-tools/lib/include/vm_atomic.h b/open-vm-tools/lib/include/vm_atomic.h
index af2f578cf..2a983c7d9 100644
--- a/open-vm-tools/lib/include/vm_atomic.h
+++ b/open-vm-tools/lib/include/vm_atomic.h
@@ -623,7 +623,9 @@ Atomic_ReadIfEqualWrite(Atomic_uint32 *var, // IN
  *      The value of the atomic variable before the write.
  *
  * Side effects:
- *      The variable may be modified.
+ *      The atomic variable may be modified.
+ *      May return in transactional execution mode on TSX enabled CPUs
+ *      IFF the atomic variable is modified.
  *
  *-----------------------------------------------------------------------------
  */
@@ -644,6 +646,10 @@ Atomic_ReadIfEqualWriteLockAcquire(Atomic_uint32 *var, // IN
       : "cc"
    );
    AtomicEpilogue();
+   if (val != oldVal) {
+      /* Leave transactional execution mode if TSX enabled. */
+      __asm__ __volatile__("pause");
+   }
    return val;
 #else
    return Atomic_ReadIfEqualWrite(var, oldVal, newVal);