* Andy Lutomirski <l...@amacapital.net> wrote: > On Wed, Nov 19, 2014 at 3:59 PM, Linus Torvalds > <torva...@linux-foundation.org> wrote: > > On Wed, Nov 19, 2014 at 3:49 PM, Andy Lutomirski <l...@amacapital.net> > > wrote: > >> > >> My only real objection is that it's going to be ugly and > >> error prone. It'll have to be something like: > > > > No. > > > >> because the whole point of this series is to make the IST > >> entries not be atomic when they come from userspace. > > > > Andy, you need to lay off the drugs. > > > > No drugs, just imprecision. This series doesn't change NMI > handling at all. It only changes machine_check int3, debug, > and stack_segment. (Why is #SS using IST stacks anyway?)
We made most of those preemptible in -rt and changed it away from the IST. I never got a good explanation from anyone for why they were IST in the first place - histeric accident or such. Feel free to clean this up too! Thanks, Ingo -- 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/