| Date | Fri, 30 Jul 2021 15:50:30 +0200 | From | Thomas Gleixner <> | Subject | [patch 23/63] locking/rtmutex: Prevent future include recursion hell |
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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
rtmutex only needs raw_spinlock_t, but it includes spinlock_types.h which is not a problem on an non RT enabled kernel.
RT kernels substitute regular spinlocks with 'sleeping' spinlocks which are based on rtmutexes and therefore must be able to include rtmutex.h.
Include spinlock_types_raw.h instead.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- include/linux/rtmutex.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- --- a/include/linux/rtmutex.h +++ b/include/linux/rtmutex.h @@ -15,7 +15,7 @@ #include <linux/linkage.h> #include <linux/rbtree.h> -#include <linux/spinlock_types.h> +#include <linux/spinlock_types_raw.h> extern int max_lock_depth; /* for sysctl */
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