diff options
| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2021-08-15 23:28:20 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2021-08-17 17:37:26 +0200 |
| commit | e4e17af3b7f8841279b5a429de14907e26845c39 (patch) | |
| tree | a790e08647a12debd4b899244679703cbd85fe4b /include/linux/rtmutex.h | |
| parent | 089050cafa10f408c9e18ad53965db839b894840 (diff) | |
locking/rtmutex: Reduce <linux/rtmutex.h> header dependencies, only include <linux/rbtree_types.h>
We have the following header dependency problem on RT:
- <linux/rtmutex.h> needs the definition of 'struct rb_root_cached'.
- <linux/rbtree.h> includes <linux/kernel.h>, which includes <linux/spinlock.h>
That works nicely for non-RT enabled kernels, but on RT enabled kernels
spinlocks are based on rtmutexes, which creates another circular header
dependency as <linux/spinlocks.h> will require <linux/rtmutex.h>.
Include <linux/rbtree_types.h> instead.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210815211303.598003167@linutronix.de
Diffstat (limited to 'include/linux/rtmutex.h')
| -rw-r--r-- | include/linux/rtmutex.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/rtmutex.h b/include/linux/rtmutex.h index 4be97aee02bf..9deedfeec2b1 100644 --- a/include/linux/rtmutex.h +++ b/include/linux/rtmutex.h @@ -15,7 +15,7 @@ #include <linux/compiler.h> #include <linux/linkage.h> -#include <linux/rbtree.h> +#include <linux/rbtree_types.h> #include <linux/spinlock_types_raw.h> extern int max_lock_depth; /* for sysctl */ |