On Sun, Mar 8, 2015 at 6:59 AM, Andy Lutomirski <l...@amacapital.net> wrote: > There's another problem, though: We don't have a real stack pointer > just after syscall and just before sysexit, and therefore we *must* > use IST for anything that can happen while we still have > user-controlled rsp. That includes #DB, #NM, and #MC.
I think I faked myself out here. Why do #DB and #BP use IST? We could remove a decent (large?) amount of crud if we changed that. --Andy -- 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/