On Wed, Nov 19, 2014 at 5:09 PM, Linus Torvalds <torva...@linux-foundation.org> wrote: > On Wed, Nov 19, 2014 at 4:46 PM, Andy Lutomirski <l...@amacapital.net> wrote: >> >> I'm very hesitant to use irq_enter for this, though. I think we want >> just the irq_count part. > > Oh, I agree. I mentioned irq_enter/exit() just as the place the > preempt count increment normally happens. I have nothing against doing > it manually for these things that really aren't normal interrupts. >
It may need to be considerably more complicated to keep RCU happy, though. In fact, I think that this code is already wrong. I'll write something and cc Paul to get some feedback. --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/
