On Mon, 02 Mar 2009 14:46:47 -0800 (PST) David Miller <davem@xxxxxxxxxxxxx> wrote: > From: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> > Date: Mon, 02 Mar 2009 23:19:31 +0100 > > > I state that every !IRQF_DISABLED usage is a bug, either due to broken > > hardware or broken drivers. > > We'll send you the bill to have everyone's hardware > replaced :-) yes, but with what? No matter how fast all our interrupt handlers are, running them with local interrupts disabled has to worsen the worst-case interrupt latency. I don't see how removing !IRQF_DISABLED improves the kernel - in fact there's a latency argument for making !IRQF_DISABLED the default. -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
