Messages in this thread Patch in this message | | | From | Davidlohr Bueso <> | Subject | [PATCH 1/2] locking/rtmutex: Delete save_state member of struct rt_mutex | Date | Tue, 10 Apr 2018 09:27:49 -0700 |
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This field (debug) is unused. Furthermore it looks like a result of rtmutex from -rt into upstream, where it serves to determine if the wakeup is for a task blocked on a "sleeping spinlock", iow if this is a regular rt_mutex_lock() or rt_spin_lock().
Of course, upstream we only have regular rt_mutexes, thus we can safely assume nothing will be done with this field anyway. There is also the fact that this is under debug.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de> --- include/linux/rtmutex.h | 1 - 1 file changed, 1 deletion(-)
diff --git a/include/linux/rtmutex.h b/include/linux/rtmutex.h index 1b92a28dd672..572606acd700 100644 --- a/include/linux/rtmutex.h +++ b/include/linux/rtmutex.h @@ -32,7 +32,6 @@ struct rt_mutex { struct rb_root_cached waiters; struct task_struct *owner; #ifdef CONFIG_DEBUG_RT_MUTEXES - int save_state; const char *name, *file; int line; void *magic; -- 2.13.6
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