On Fri, Jul 27, 2012 at 09:40:54AM -0700, Paul E. McKenney wrote: > On Fri, Jul 27, 2012 at 05:40:30PM +0200, Frederic Weisbecker wrote: > > Create a new subsystem that handles the hooks on kernel/user > > boundaries currently used by RCU for its userspace extended > > quiescent state. > > > > We need to pull this up from RCU into this new level of indirection > > because these hooks are also going to be used to implement an "on > > demand" generic virtual cputime accounting. A necessary step to > > shutdown the tick while still accounting the cputime. > > So this eliminates the case where the architecture might enter an > RCU extended quiescent state multiple times, but exit it only once? > (I am hoping that it does...)
Yeah. It should handle that. -- 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/
