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-rw-r--r--debian/patches-rt/0165-lockdep-Reduce-header-files-in-debug_locks.h.patch33
1 files changed, 33 insertions, 0 deletions
diff --git a/debian/patches-rt/0165-lockdep-Reduce-header-files-in-debug_locks.h.patch b/debian/patches-rt/0165-lockdep-Reduce-header-files-in-debug_locks.h.patch
new file mode 100644
index 000000000..bfe1d5ecd
--- /dev/null
+++ b/debian/patches-rt/0165-lockdep-Reduce-header-files-in-debug_locks.h.patch
@@ -0,0 +1,33 @@
+From 740bc44f8756ed7c76a697de3eb3eae130c2de77 Mon Sep 17 00:00:00 2001
+From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
+Date: Fri, 14 Aug 2020 16:55:25 +0200
+Subject: [PATCH 165/323] lockdep: Reduce header files in debug_locks.h
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.204-rt100.tar.xz
+
+The inclusion of printk.h leads to circular dependency if spinlock_t is
+based on rt_mutex.
+
+Include only atomic.h (xchg()) and cache.h (__read_mostly).
+
+Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
+---
+ include/linux/debug_locks.h | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/include/linux/debug_locks.h b/include/linux/debug_locks.h
+index edb5c186b0b7..3f49e65169c6 100644
+--- a/include/linux/debug_locks.h
++++ b/include/linux/debug_locks.h
+@@ -3,8 +3,7 @@
+ #define __LINUX_DEBUG_LOCKING_H
+
+ #include <linux/atomic.h>
+-#include <linux/bug.h>
+-#include <linux/printk.h>
++#include <linux/cache.h>
+
+ struct task_struct;
+
+--
+2.43.0
+