> On 17 November 2014 at 01:35 Linus Torvalds <[email protected]> > wrote: > > > On Sun, Nov 16, 2014 at 12:42 PM, Fabian Frederick <[email protected]> wrote: > > > > Thomas talked about csd_lock and the last reliable stack function > > being smp_call_function_single, I thought it could be interesting > > to bisect directly in smp.c as I only read about reverting mm/memory.c > > stuff ... Maybe not too much original but who knows ? :) > > Fair enough. > > I'd be almost have been more inclined to look at the apic changes, > like commit 4ba2968420fa ("percpu: Resolve ambiguities in > __get_cpu_var/cpumask_var_t") that was horribly buggy. It was fixed in > 59f6e2073c72, though, and the end result looks sane, so I don't think > it's that particular thing. The rest seems to be either kvm-related or > just clearly trivial. > > Which is why I think even a partial bisection would be nice - as it is > we're kind of just guessing, and I'm not all the confident in the > guesses. Sure, they may be right, but bisection is guaranteed to at > least narrow the suspects down, while guesses *could* hit jack-pot, > but could also be a total waste of time. > > I guess I'm not much of a gambler. I'll take a steady slow guarantee > of progress over a jackpot just about every day. > > Linus
Ok Linus, you're not a gambler but honestly, you created Git and Linux: the best games I know about on earth ;) Regards, Fabian -- 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/
