diff options
Diffstat (limited to 'patches/locking_lockdep__Reduce_includes_in_debug_locks.h.patch')
| -rw-r--r-- | patches/locking_lockdep__Reduce_includes_in_debug_locks.h.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/patches/locking_lockdep__Reduce_includes_in_debug_locks.h.patch b/patches/locking_lockdep__Reduce_includes_in_debug_locks.h.patch new file mode 100644 index 000000000000..1514060a7828 --- /dev/null +++ b/patches/locking_lockdep__Reduce_includes_in_debug_locks.h.patch @@ -0,0 +1,35 @@ +Subject: locking/lockdep: Reduce includes in debug_locks.h +From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> +Date: Tue Jul 6 16:36:48 2021 +0200 + +From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> + +The inclusion of printk.h leads to a circular dependency if spinlock_t is +based on rtmutexes on RT enabled kernels. + +Include only atomic.h (xchg()) and cache.h (__read_mostly) which is all +what debug_locks.h requires. + +Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> +Signed-off-by: Thomas Gleixner <tglx@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; + |