On Thu, Sep 18, 2014 at 10:39:25AM -0700, Paul E. McKenney wrote: > On Thu, Sep 18, 2014 at 10:37:33AM -0700, Paul E. McKenney wrote:
> > A stop_cpus() will force a context switch on all CPUs, though it is > > a rather big hammer. > > And I was reminded by the very next email that kick_all_cpus_sync() is > another possibility -- it forces an interrupt on all online CPUs, idle > or not. I actually have a patch http://lkml.kernel.org/r/[email protected] that changes that, because apparently there are idle loops that don't actually exit on interrupt :-) But yes, something like the wake_up_all_idle_cpus() should do. -- 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/
