diff --git a/base/include/base/connection.h b/base/include/base/connection.h
index fd0566a07..a347d0ae5 100644
--- a/base/include/base/connection.h
+++ b/base/include/base/connection.h
@@ -43,6 +43,20 @@ namespace Genode {
 
 			On_destruction _on_destruction;
 
+			Capability<SESSION_TYPE> _session(Affinity const &affinity,
+			                                  const char *format_args, va_list list)
+			{
+				char buf[FORMAT_STRING_SIZE];
+
+				String_console sc(buf, FORMAT_STRING_SIZE);
+				sc.vprintf(format_args, list);
+
+				va_end(list);
+
+				/* call parent interface with the resulting argument buffer */
+				return env()->parent()->session<SESSION_TYPE>(buf, affinity);
+			}
+
 		public:
 
 			/**
@@ -74,23 +88,26 @@ namespace Genode {
 			void on_destruction(On_destruction od) { _on_destruction = od; }
 
 			/**
-			 * Shortcut for env()->parent()->session() function
+			 * Shortcut for env()->parent()->session()
 			 */
 			Capability<SESSION_TYPE> session(const char *format_args, ...)
 			{
-				char buf[FORMAT_STRING_SIZE];
-
-				/* process format string */
 				va_list list;
 				va_start(list, format_args);
 
-				String_console sc(buf, FORMAT_STRING_SIZE);
-				sc.vprintf(format_args, list);
+				return _session(Affinity(), format_args, list);
+			}
 
-				va_end(list);
+			/**
+			 * Shortcut for env()->parent()->session()
+			 */
+			Capability<SESSION_TYPE> session(Affinity const &affinity,
+			                                 char     const *format_args, ...)
+			{
+				va_list list;
+				va_start(list, format_args);
 
-				/* call parent interface with the resulting argument buffer */
-				return env()->parent()->session<SESSION_TYPE>(buf);
+				return _session(affinity, format_args, list);
 			}
 	};
 }
diff --git a/base/include/cpu_session/connection.h b/base/include/cpu_session/connection.h
index 07caf9a2e..464d3f1a7 100644
--- a/base/include/cpu_session/connection.h
+++ b/base/include/cpu_session/connection.h
@@ -30,10 +30,12 @@ namespace Genode {
 		 * \param priority  designated priority of all threads created
 		 *                  with this CPU session
 		 */
-		Cpu_connection(const char *label = "", long priority = DEFAULT_PRIORITY)
+		Cpu_connection(char     const *label    = "",
+		               long            priority = DEFAULT_PRIORITY,
+		               Affinity const &affinity = Affinity())
 		:
 			Connection<Cpu_session>(
-				session("priority=0x%lx, ram_quota=32K, label=\"%s\"",
+				session(affinity, "priority=0x%lx, ram_quota=32K, label=\"%s\"",
 				        priority, label)),
 			Cpu_session_client(cap()) { }
 	};