On Fri, Aug 07, 2015 at 11:49:04PM +0900, Minchan Kim wrote: > Hi Joonsoo, > > On Fri, Aug 07, 2015 at 05:03:29PM +0900, Joonsoo Kim wrote: > > Currently, when we enter the wait state due to lack of idle stream, > > we check idle_strm list without holding the lock in expanding of > > wait_event define. In this case, some one can see stale value and > > process could fall into wait state without any upcoming wakeup process. > > Although I didn't see any error related to this race, it should be fixed. > > Long time ago, I wondered about lost wake-up problem and found a article. > > http://www.linuxjournal.com/article/8144 > > >From then, I have thought such issue shouldn't happen if something is > wrong since then and I believe it's same issue. > > Could you point out exact code sequence about the problem you mentioned?
Hello, I describe exact code sequence in reply of Sergey's mail. It would fully describe the problem. Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
