The following commit has been merged into the locking/core branch of tip: Commit-ID: a403abbdc715986760821e67731d60ff65bde4bd Gitweb: https://git.kernel.org/tip/a403abbdc715986760821e67731d60ff65bde4bd Author: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> AuthorDate: Sun, 15 Aug 2021 23:28:16 +02:00 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitterDate: Tue, 17 Aug 2021 17:27:28 +02:00 locking/rtmutex: Prevent future include recursion hell 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 <linux/spinlock_types_raw.h> instead. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> Link: https://lore.kernel.org/r/20210815211303.428224188@xxxxxxxxxxxxx --- include/linux/rtmutex.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/rtmutex.h b/include/linux/rtmutex.h index 174419e..4be97ae 100644 --- a/include/linux/rtmutex.h +++ b/include/linux/rtmutex.h @@ -16,7 +16,7 @@ #include <linux/compiler.h> #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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