Argh, sorry for confusion... On 11/03, Andy Lutomirski wrote: > > On Mon, Nov 3, 2014 at 1:58 PM, Oleg Nesterov <[email protected]> wrote: > > On 11/03, Oleg Nesterov wrote: > >> > > Btw, why retint_kernel() checks "interrupts on" ? It seems to me that > > that "interrupts off" is not possible, no? And this will be more clear > > when we remove the "exit_intr" label. > > We might get there from #MC or from any of a number of synchronous > errors (#GP from xyz_safe, #PF from some atomic uaccess thing or a > vmap fault, etc), and all of those have interrupts off.
Yes, yes, exactly. I actually tried to say that irqs should be always disabled (afaics!). IOW "interrupts on" should not be possible, not "interrupts off". Oleg. -- 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/
