microkernel: hot paths are pretty fucking hot

libraries/libmesosphere/source/kern_k_server_session.cpp

@@ -17,6 +17,9 @@
 
 namespace ams::kern {
 
+    #pragma GCC push_options
+    #pragma GCC optimize ("-O2")
+
     namespace ipc {
 
         using MessageBuffer = ams::svc::ipc::MessageBuffer;
@@ -1362,4 +1365,6 @@ namespace ams::kern {
         this->NotifyAvailable(svc::ResultSessionClosed());
     }
 
+    #pragma GCC pop_options
+
 }