Fix building of liblockdep

debian/changelog

@@ -73,6 +73,7 @@ linux (4.15.1-1~exp1) UNRELEASED; urgency=medium
     scsi-modules installer udeb.
   * Switch to SLUB as kernel allocator. (Closes: #862718)
     - Enable SLUB_DEBUG, SLAB_FREELIST_HARDENED except on armel/marvell.
+  * Fix building of liblockdep.
 
   [ Uwe Kleine-König ]
   * [arm64] enable I2C_PXA for espressobin (Closes: #886983)

debian/patches/bugfix/all/lockdep-stub-nmi-watchdog-reset.patch

@@ -0,0 +1,31 @@
+From 2b14169744f9aeccd09c30926d9f0b6a80ff6156 Mon Sep 17 00:00:00 2001
+From: Bastian Blank <waldi@debian.org>
+Date: Sun, 11 Feb 2018 06:24:15 +0000
+Subject: [PATCH 3/3] lockdep: Stub NMI watchdog reset
+
+---
+ tools/include/linux/nmi.h | 12 ++++++++++++
+ 1 file changed, 12 insertions(+)
+ create mode 100644 tools/include/linux/nmi.h
+
+diff --git a/tools/include/linux/nmi.h b/tools/include/linux/nmi.h
+new file mode 100644
+index 000000000000..81ffb39343cc
+--- /dev/null
++++ b/tools/include/linux/nmi.h
+@@ -0,0 +1,12 @@
++/* SPDX-License-Identifier: GPL-2.0 */
++/*
++ *  linux/include/linux/nmi.h
++ */
++#ifndef LINUX_NMI_H
++#define LINUX_NMI_H
++
++static inline void touch_nmi_watchdog(void)
++{
++}
++
++#endif
+-- 
+2.16.1
+

debian/patches/series

@@ -135,6 +135,7 @@ bugfix/x86/revert-perf-build-fix-libunwind-feature-detection-on.patch
 bugfix/all/tools-build-remove-bpf-run-time-check-at-build-time.patch
 bugfix/all/cpupower-bump-soname-version.patch
 bugfix/all/cpupower-fix-checks-for-cpu-existence.patch
+bugfix/all/lockdep-stub-nmi-watchdog-reset.patch
 
 # Backport patches from linux-next (next-20180103) to support SMP on tegra210 systems
 features/arm64/tegra210-smp/0001-arm64-tegra-Add-CPU-and-PSCI-nodes-for-NVIDIA-Tegra2.patch