diff --git a/SOURCES/rhbz1650594.patch b/SOURCES/rhbz1650594.patch
new file mode 100644
index 0000000..fd5afa9
--- /dev/null
+++ b/SOURCES/rhbz1650594.patch
@@ -0,0 +1,55 @@
+commit 734f5acf6c568c02254a33730c6f0fff016bdd09
+Author: Martin Cermak <mcermak@redhat.com>
+Date:   Wed Jan 20 22:09:49 2021 +0100
+
+    systemtap-service onboot: Skip updating the bootloader
+    
+    It shows up that just modifying the default initrd is good enough,
+    no need to call kernel-install or new-kernel-pkg.  This speeds up
+    the systemtap-service onboot operation.
+
+diff --git a/initscript/systemtap.in b/initscript/systemtap.in
+index 713f7a680..b1621ae2f 100755
+--- a/initscript/systemtap.in
++++ b/initscript/systemtap.in
+@@ -46,8 +46,6 @@ STAPRUN=@bindir@/staprun
+ UNAME=/bin/uname
+ LSMOD=/sbin/lsmod
+ DRACUT=`which dracut`
+-NEWKERNELPKG=/sbin/new-kernel-pkg
+-KERNELINSTALL=/usr/bin/kernel-install
+ 
+ # Not actually used directly, but needed by
+ # stap dracut module for inclusion in initramfs
+@@ -839,10 +837,6 @@ backup_initramfs() {
+ 
+ onboot () {
+   local s ret ss
+-  if [ ! -f "$NEWKERNELPKG" -a ! -f "$KERNELINSTALL" ]; then
+-    do_failure "Could not find $NEWKERNELPKG nor $KERNELINSTALL"
+-    return 1
+-  fi
+   if [ ! -f "$DRACUT" ]; then
+     do_failure "$DRACUT not found"
+     return 1
+@@ -940,20 +934,6 @@ onboot () {
+     return 0
+   fi
+   clog "done"
+-  # We're installing the initramfs in the default location, so user
+-  # expects the next boot to use it. Let's also update the bootloader.
+-  clog " Updating bootloader ... " -n
+-  if [ -x "$NEWKERNELPKG" ]; then
+-      logex $NEWKERNELPKG --initrdfile="$INITRAMFS" \
+-            --update $KRELEASE
+-  else
+-      logex $KERNELINSTALL add $KRELEASE /boot/vmlinuz-$KRELEASE
+-  fi
+-  if [ $? -ne 0 ]; then
+-    do_failure "bootloader update exited with nonzero status"
+-    return 1
+-  fi
+-  might_success "initramfs created and bootloader updated"
+   return 0
+ }
+ 
diff --git a/SPECS/systemtap.spec b/SPECS/systemtap.spec
index 700e10b..f685cdd 100644
--- a/SPECS/systemtap.spec
+++ b/SPECS/systemtap.spec
@@ -89,7 +89,7 @@
 
 Name: systemtap
 Version: 4.4
-Release: 6%{?release_override}%{?dist}
+Release: 7%{?release_override}%{?dist}
 # for version, see also configure.ac
 
 
@@ -130,6 +130,7 @@ Patch2: rhbz1898288.patch
 Patch3: rhbz1902696.patch
 Patch4: rhbz1908904.patch
 Patch5: rhbz1906662.patch
+Patch6: rhbz1650594.patch
 
 # Build*
 BuildRequires: gcc-c++
@@ -521,6 +522,7 @@ systemtap-runtime-virthost machine to execute systemtap scripts.
 %patch3 -p1
 %patch4 -p1
 %patch5 -p1
+%patch6 -p1
 
 %build
 
@@ -1240,6 +1242,9 @@ done
 
 # PRERELEASE
 %changelog
+* Wed Jan 20 2021 Martin Cermak <mcermak@redhat.com> - 4.4-7
+- rhbz1650594 fix boot time probing feature
+
 * Mon Jan 04 2021 Frank Ch. Eigler <fche@redhat.com> - 4.4-6
 - rhbz1906662 backport transport/utrace/locking patches