diff --git a/scripts/mock-noinline.py b/scripts/mock-noinline.py
index a8b7680c11..69cf0b4b99 100644
--- a/scripts/mock-noinline.py
+++ b/scripts/mock-noinline.py
@@ -59,7 +59,7 @@ def scan_overrides(filename):
                 m = re.search(r'''^\w+\s*(?:\*\s*)?(\w+)\(''', line)
             if m is not None:
                 name = m.group(1)
-                if name.startswith("vir"):
+                if name.startswith("vir") or name.startswith("qemu") or name.startswith("libxl"):
                     mocked[name] = "%s:%d" % (filename, lineno)
 
 
diff --git a/src/libxl/libxl_capabilities.h b/src/libxl/libxl_capabilities.h
index 9efb836429..4e8e2bb59b 100644
--- a/src/libxl/libxl_capabilities.h
+++ b/src/libxl/libxl_capabilities.h
@@ -39,7 +39,7 @@
  * by libvirt for Xen, and cannot be used for a persistent network name.  */
 #define LIBXL_GENERATED_PREFIX_XEN "vif"
 
-bool libxlCapsHasPVUSB(void);
+bool libxlCapsHasPVUSB(void) G_GNUC_NO_INLINE;
 
 virCapsPtr
 libxlMakeCapabilities(libxl_ctx *ctx);
diff --git a/src/qemu/qemu_command.h b/src/qemu/qemu_command.h
index b579817b44..89d99b111f 100644
--- a/src/qemu/qemu_command.h
+++ b/src/qemu/qemu_command.h
@@ -82,7 +82,7 @@ int qemuBuildTLSx509BackendProps(const char *tlspath,
 
 /* Open a UNIX socket for chardev FD passing */
 int
-qemuOpenChrChardevUNIXSocket(const virDomainChrSourceDef *dev);
+qemuOpenChrChardevUNIXSocket(const virDomainChrSourceDef *dev) G_GNUC_NO_INLINE;
 
 /* Generate '-device' string for chardev device */
 int
@@ -254,4 +254,4 @@ qemuBuildTPMOpenBackendFDs(const char *tpmdev,
                            int *tpmfd,
                            int *cancelfd)
     ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3)
-    ATTRIBUTE_NONNULL(4);
+    ATTRIBUTE_NONNULL(4) G_GNUC_NO_INLINE;
diff --git a/src/qemu/qemu_hotplug.h b/src/qemu/qemu_hotplug.h
index 4a49e04a15..6287c5b5e8 100644
--- a/src/qemu/qemu_hotplug.h
+++ b/src/qemu/qemu_hotplug.h
@@ -151,7 +151,7 @@ int qemuDomainSetVcpuInternal(virQEMUDriverPtr driver,
                               virBitmapPtr vcpus,
                               bool state);
 
-unsigned long long qemuDomainGetUnplugTimeout(virDomainObjPtr vm);
+unsigned long long qemuDomainGetUnplugTimeout(virDomainObjPtr vm) G_GNUC_NO_INLINE;
 
 int qemuHotplugAttachDBusVMState(virQEMUDriverPtr driver,
                                  virDomainObjPtr vm,
diff --git a/src/qemu/qemu_interface.h b/src/qemu/qemu_interface.h
index 0464b903d7..3dcefc6a12 100644
--- a/src/qemu/qemu_interface.h
+++ b/src/qemu/qemu_interface.h
@@ -54,7 +54,7 @@ int qemuInterfaceBridgeConnect(virDomainDefPtr def,
 int qemuInterfaceOpenVhostNet(virDomainDefPtr def,
                               virDomainNetDefPtr net,
                               int *vhostfd,
-                              size_t *vhostfdSize);
+                              size_t *vhostfdSize) G_GNUC_NO_INLINE;
 
 qemuSlirpPtr qemuInterfacePrepareSlirp(virQEMUDriverPtr driver,
                                        virDomainNetDefPtr net);
diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
index 1c1b0c9b89..d20a15c202 100644
--- a/src/qemu/qemu_monitor.h
+++ b/src/qemu/qemu_monitor.h
@@ -408,7 +408,7 @@ int qemuMonitorSetLink(qemuMonitorPtr mon,
 /* These APIs are for use by the internal Text/JSON monitor impl code only */
 char *qemuMonitorNextCommandID(qemuMonitorPtr mon);
 int qemuMonitorSend(qemuMonitorPtr mon,
-                    qemuMonitorMessagePtr msg);
+                    qemuMonitorMessagePtr msg) G_GNUC_NO_INLINE;
 virJSONValuePtr qemuMonitorGetOptions(qemuMonitorPtr mon)
     ATTRIBUTE_NONNULL(1);
 void qemuMonitorSetOptions(qemuMonitorPtr mon, virJSONValuePtr options)
diff --git a/src/qemu/qemu_monitor_json.h b/src/qemu/qemu_monitor_json.h
index 84fea25983..098ab857be 100644
--- a/src/qemu/qemu_monitor_json.h
+++ b/src/qemu/qemu_monitor_json.h
@@ -30,7 +30,7 @@
 
 int qemuMonitorJSONIOProcessLine(qemuMonitorPtr mon,
                                  const char *line,
-                                 qemuMonitorMessagePtr msg);
+                                 qemuMonitorMessagePtr msg) G_GNUC_NO_INLINE;
 
 int qemuMonitorJSONIOProcess(qemuMonitorPtr mon,
                              const char *data,
diff --git a/src/qemu/qemu_process.h b/src/qemu/qemu_process.h
index 125508f9fe..dbd989c321 100644
--- a/src/qemu/qemu_process.h
+++ b/src/qemu/qemu_process.h
@@ -203,9 +203,9 @@ int qemuProcessRefreshDisks(virQEMUDriverPtr driver,
                             virDomainObjPtr vm,
                             qemuDomainAsyncJob asyncJob);
 
-int qemuProcessStartManagedPRDaemon(virDomainObjPtr vm);
+int qemuProcessStartManagedPRDaemon(virDomainObjPtr vm) G_GNUC_NO_INLINE;
 
-void qemuProcessKillManagedPRDaemon(virDomainObjPtr vm);
+void qemuProcessKillManagedPRDaemon(virDomainObjPtr vm) G_GNUC_NO_INLINE;
 
 typedef struct _qemuProcessQMP qemuProcessQMP;
 typedef qemuProcessQMP *qemuProcessQMPPtr;