Index: runtime/src/dllexports
===================================================================
--- runtime/src/dllexports
+++ runtime/src/dllexports
@@ -539,6 +539,9 @@
 
 kmp_set_disp_num_buffers                    890
 
+%ifdef OMP_50
+    omp_control_tool                        891
+%endif # OMP_50
 %ifndef stub
     # Ordinals between 900 and 999 are reserved
 
Index: runtime/src/kmp_dispatch.h
===================================================================
--- runtime/src/kmp_dispatch.h
+++ runtime/src/kmp_dispatch.h
@@ -17,13 +17,6 @@
 /* ------------------------------------------------------------------------ */
 /* ------------------------------------------------------------------------ */
 
-// Need to raise Win version from XP to Vista here for support of
-// InterlockedExchange64
-#if defined(_WIN32_WINNT) && defined(_M_IX86)
-#undef _WIN32_WINNT
-#define _WIN32_WINNT 0x0502
-#endif
-
 #include "kmp.h"
 #include "kmp_error.h"
 #include "kmp_i18n.h"
Index: runtime/src/kmp_dispatch.cpp
===================================================================
--- runtime/src/kmp_dispatch.cpp
+++ runtime/src/kmp_dispatch.cpp
@@ -18,13 +18,6 @@
  *       is the largest value __kmp_nth may take, 1 is the smallest.
  */
 
-// Need to raise Win version from XP to Vista here for support of
-// InterlockedExchange64
-#if defined(_WIN32_WINNT) && defined(_M_IX86)
-#undef _WIN32_WINNT
-#define _WIN32_WINNT 0x0502
-#endif
-
 #include "kmp.h"
 #include "kmp_error.h"
 #include "kmp_i18n.h"
Index: runtime/src/kmp_settings.h
===================================================================
--- runtime/src/kmp_settings.h
+++ runtime/src/kmp_settings.h
@@ -31,9 +31,11 @@
   __kmp_str_buf_print(buffer, "  %s %s", KMP_I18N_STR(Device), name)
 #define KMP_STR_BUF_PRINT_NAME_EX(x)                                           \
   __kmp_str_buf_print(buffer, "  %s %s='", KMP_I18N_STR(Device), x)
+#define KMP_STR_BUF_PRINT_BOOL_EX(n, v, t, f)                                  \
+  __kmp_str_buf_print(buffer, "  %s %s='%s'\n", KMP_I18N_STR(Device), n,       \
+                      (v) ? t : f)
 #define KMP_STR_BUF_PRINT_BOOL                                                 \
-  __kmp_str_buf_print(buffer, "  %s %s='%s'\n", KMP_I18N_STR(Device), name,    \
-                      value ? "TRUE" : "FALSE");
+  KMP_STR_BUF_PRINT_BOOL_EX(name, value, "TRUE", "FALSE")
 #define KMP_STR_BUF_PRINT_INT                                                  \
   __kmp_str_buf_print(buffer, "  %s %s='%d'\n", KMP_I18N_STR(Device), name,    \
                       value)
@@ -48,9 +50,11 @@
   __kmp_str_buf_print(buffer, "  %s %s", KMP_I18N_STR(Host), name)
 #define KMP_STR_BUF_PRINT_NAME_EX(x)                                           \
   __kmp_str_buf_print(buffer, "  %s %s='", KMP_I18N_STR(Host), x)
+#define KMP_STR_BUF_PRINT_BOOL_EX(n, v, t, f)                                  \
+  __kmp_str_buf_print(buffer, "  %s %s='%s'\n", KMP_I18N_STR(Host), n,         \
+                      (v) ? t : f)
 #define KMP_STR_BUF_PRINT_BOOL                                                 \
-  __kmp_str_buf_print(buffer, "  %s %s='%s'\n", KMP_I18N_STR(Host), name,      \
-                      value ? "TRUE" : "FALSE");
+  KMP_STR_BUF_PRINT_BOOL_EX(name, value, "TRUE", "FALSE")
 #define KMP_STR_BUF_PRINT_INT                                                  \
   __kmp_str_buf_print(buffer, "  %s %s='%d'\n", KMP_I18N_STR(Host), name, value)
 #define KMP_STR_BUF_PRINT_UINT64                                               \
Index: runtime/src/kmp_settings.cpp
===================================================================
--- runtime/src/kmp_settings.cpp
+++ runtime/src/kmp_settings.cpp
@@ -4510,6 +4510,22 @@
 #endif
 
 #if OMP_50_ENABLED && OMPT_SUPPORT
+static int __kmp_tool = 1;
+
+static void __kmp_stg_parse_omp_tool(char const *name, char const *value,
+                                     void *data) {
+  __kmp_stg_parse_bool(name, value, &__kmp_tool);
+} // __kmp_stg_parse_omp_tool
+
+static void __kmp_stg_print_omp_tool(kmp_str_buf_t *buffer, char const *name,
+                                     void *data) {
+  if (__kmp_env_format) {
+    KMP_STR_BUF_PRINT_BOOL_EX(name, __kmp_tool, "enabled", "disabled");
+  } else {
+    __kmp_str_buf_print(buffer, "   %s=%s\n", name,
+                        __kmp_tool ? "enabled" : "disabled");
+  }
+} // __kmp_stg_print_omp_tool
 
 static char *__kmp_tool_libraries = NULL;
 
@@ -4787,6 +4803,8 @@
 #endif
 
 #if OMP_50_ENABLED && OMPT_SUPPORT
+    {"OMP_TOOL", __kmp_stg_parse_omp_tool, __kmp_stg_print_omp_tool, NULL, 0,
+     0},
     {"OMP_TOOL_LIBRARIES", __kmp_stg_parse_omp_tool_libraries,
      __kmp_stg_print_omp_tool_libraries, NULL, 0, 0},
 #endif
Index: runtime/src/kmp_str.cpp
===================================================================
--- runtime/src/kmp_str.cpp
+++ runtime/src/kmp_str.cpp
@@ -452,7 +452,8 @@
   int result =
       __kmp_str_match("false", 1, data) || __kmp_str_match("off", 2, data) ||
       __kmp_str_match("0", 1, data) || __kmp_str_match(".false.", 2, data) ||
-      __kmp_str_match(".f.", 2, data) || __kmp_str_match("no", 1, data);
+      __kmp_str_match(".f.", 2, data) || __kmp_str_match("no", 1, data) ||
+      __kmp_str_match("disabled", 0, data);
   return result;
 } // __kmp_str_match_false
 
@@ -460,7 +461,8 @@
   int result =
       __kmp_str_match("true", 1, data) || __kmp_str_match("on", 2, data) ||
       __kmp_str_match("1", 1, data) || __kmp_str_match(".true.", 2, data) ||
-      __kmp_str_match(".t.", 2, data) || __kmp_str_match("yes", 1, data);
+      __kmp_str_match(".t.", 2, data) || __kmp_str_match("yes", 1, data) ||
+      __kmp_str_match("enabled", 0, data);
   return result;
 } // __kmp_str_match_true
 
Index: runtime/src/ompt-general.cpp
===================================================================
--- runtime/src/ompt-general.cpp
+++ runtime/src/ompt-general.cpp
@@ -629,11 +629,14 @@
  ****************************************************************************/
 
 OMPT_API_ROUTINE int ompt_get_proc_id(void) {
-#if KMP_OS_LINUX
   if (__kmp_get_gtid() < 0)
     return -1;
-
+#if KMP_OS_LINUX
   return sched_getcpu();
+#elif KMP_OS_WINDOWS
+  PROCESSOR_NUMBER pn;
+  GetCurrentProcessorNumberEx(&pn);
+  return 64 * pn.Group + pn.Number;
 #else
   return -1;
 #endif