On Sat, Aug 10, 2013 at 11:43:59AM +0800, Lai Jiangshan wrote: > Hi, Steven > > I was considering rtmutex's lock->wait_lock is a scheduler lock, > But it is not, and it is just a spinlock of process context. > I hope you change it to a spinlock of irq context.
rwmutex::wait_lock is irq-safe; it had better be because its taken under task_struct::pi_lock. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/