diff --git a/vmmon/Makefile b/vmmon/Makefile
index de8162e..6124a71 100644
--- a/vmmon/Makefile
+++ b/vmmon/Makefile
@@ -43,7 +43,11 @@ INCLUDE      += -I$(SRCROOT)/shared
 endif
 
 
+ifdef KVERSION
+VM_UNAME = $(KVERSION)
+else
 VM_UNAME = $(shell uname -r)
+endif
 
 # Header directory for the running kernel
 ifdef LINUXINCLUDE
From: Michal Kubecek <mkubecek@suse.cz>
Date: Mon, 26 Mar 2018 13:33:32 +0200
Subject: [PATCH] vmmon: fix indirect call with retpoline build
diff --git a/vmmon/common/task.c b/vmmon/common/task.c
index 98cc74a..400ebfe 100644
--- a/vmmon/common/task.c
+++ b/vmmon/common/task.c
@@ -2203,12 +2203,23 @@ TaskSwitchToMonitor(VMCrossPage *crosspage)
    {
       uint64 raxGetsWiped, rcxGetsWiped;
 
+#ifdef CALL_NOSPEC
+      __asm__ __volatile__(CALL_NOSPEC
+                           : "=a" (raxGetsWiped),
+                             "=c" (rcxGetsWiped)
+                           : "0" (codePtr),
+                             "1" (crosspage),
+                             THUNK_TARGET(codePtr)
+                           : "rdx", "r8", "r9", "r10", "r11", "cc", "memory");
+#else
       __asm__ __volatile__("call *%%rax"
                            : "=a" (raxGetsWiped),
                              "=c" (rcxGetsWiped)
                            : "0" (codePtr),
                              "1" (crosspage)
                            : "rdx", "r8", "r9", "r10", "r11", "cc", "memory");
+#endif
+
    }
 #elif defined(_MSC_VER)
    /*