On Mon, Nov 12, 2007 at 07:48:45AM +1100, Benjamin Herrenschmidt wrote: > > On Sun, 2007-11-11 at 09:45 -0500, Steven Rostedt wrote: > > > Well, I suppose the patch could go in, maybe with some ifdef's > > around > > > the bits in _switch_to, there's little point in doing that on non-rt > > > kernels. > > > > As Nick Piggin already stated, and I'll even state it for the RT > > kernel, > > we do not allow preemption in switch_to. So it is safe to remove those > > "preempt_disable" bits from the patch > > Sure, I know that, I'm not talking about that, I'm talking about the > added code that flush pending batches & save the batch state, since on > non-rt kernel, this is not useful (the batch is only ever active within > a spinlocked section, which cannot be preempted on non-rt).
Ah, I need a bit of conditional compilation. Will fix. Thanx, Paul - 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/