On Tue, 2015-01-20 at 21:10 -0800, Paul E. McKenney wrote: > On Wed, Jan 21, 2015 at 04:40:39AM +0100, Mike Galbraith wrote:
> > I've been curious about this for ages, so now is a great time to bite > > the bullet and ask TheMan. A context switch is not far away, why do we > > need that quiescent state badly enough to tell what looks like a little > > white lie to get it immediately? > > > > (I commented it out in an -rt kernel I was testing yesterday, beat it > > enthusiastically for a while, and box didn't _seem_ to notice that it > > was missing anything) > > Yeah, you do have to have a fairly violent network-based DoS attack > to see the difference. Robert Olsson was the first to make this happen > back in the day. Ah, my little NIC doesn't have enough poop to do that. Thanks. -Mike -- 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/