diff --git a/debian/changelog b/debian/changelog
index f20b0eb39..5ac2bd9d0 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,7 +1,12 @@
 linux (4.18~rc5-1~exp2) UNRELEASED; urgency=medium
 
+  [ Uwe Kleine-König ]
   * [arm64] enable RTC_DRV_PCF8563 for Odroid-C2
 
+  [ Romain Perier ]
+  * [armhf] add the rt featureset, which adds support for PREEMPT_RT
+    (Closes #719547)
+
  -- Uwe Kleine-König <ukleinek@debian.org>  Sat, 21 Jul 2018 16:52:01 +0200
 
 linux (4.18~rc5-1~exp1) experimental; urgency=medium
diff --git a/debian/config/armhf/defines b/debian/config/armhf/defines
index 497f6bb50..30696f44e 100644
--- a/debian/config/armhf/defines
+++ b/debian/config/armhf/defines
@@ -1,7 +1,7 @@
 [base]
-flavours:
- armmp
- armmp-lpae
+featuresets:
+ none
+ rt
 kernel-arch: arm
 
 [build]
diff --git a/debian/config/armhf/none/defines b/debian/config/armhf/none/defines
new file mode 100644
index 000000000..1197d49de
--- /dev/null
+++ b/debian/config/armhf/none/defines
@@ -0,0 +1,4 @@
+[base]
+flavours:
+ armmp
+ armmp-lpae
diff --git a/debian/config/armhf/rt/defines b/debian/config/armhf/rt/defines
new file mode 100644
index 000000000..897e415f8
--- /dev/null
+++ b/debian/config/armhf/rt/defines
@@ -0,0 +1,3 @@
+[base]
+flavours:
+ armmp