On Thu, 5 Nov 2015, Peter Zijlstra wrote: > On Thu, Nov 05, 2015 at 07:28:50AM -0800, Arjan van de Ven wrote: > > well we have this as a driver right now that does not touch hot paths, > > but it seems you and tglx also hate that approach with a passion.... > > The current code is/was broken, but when I tried fixing it, tglx > objected to the entire approach yes... > > Thomas, no arm twisting can convince you to reconsider the fake idle > task approach?
As long as the thing just calls mwait or whatever twisting might be successful, but I'm not going to change my mind on something calling into the idle related routines (timers, rcu, etc..) and violates all sensible assumptions we make in that code. It's complex enough already and we really do not need subtle wreckage by half baken and unreviewed drivers to add more complexity. Thanks, tglx -- 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/