diff options
Diffstat (limited to 'kernel/rtmutex_common.h')
| -rw-r--r-- | kernel/rtmutex_common.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/kernel/rtmutex_common.h b/kernel/rtmutex_common.h index 50eed60eb085..e068024eeffc 100644 --- a/kernel/rtmutex_common.h +++ b/kernel/rtmutex_common.h @@ -15,6 +15,28 @@ #include <linux/rtmutex.h> /* + * The rtmutex in kernel tester is independent of rtmutex debugging. We + * call schedule_rt_mutex_test() instead of schedule() for the tasks which + * belong to the tester. That way we can delay the wakeup path of those + * threads to provoke lock stealing and testing of complex boosting scenarios. + */ +#ifdef CONFIG_RT_MUTEX_TESTER + +extern void schedule_rt_mutex_test(struct rt_mutex *lock); + +#define schedule_rt_mutex(_lock) \ + do { \ + if (!(current->flags & PF_MUTEX_TESTER)) \ + schedule(); \ + else \ + schedule_rt_mutex_test(_lock); \ + } while (0) + +#else +# define schedule_rt_mutex(_lock) schedule() +#endif + +/* * This is the control structure for tasks blocked on a rt_mutex, * which is allocated on the kernel stack on of the blocked task. * |