On Sun, 9 Dec 2007 22:25:13 +0100 Pavel Machek <[EMAIL PROTECTED]> wrote:
> On Sun 2007-12-09 17:59:08, Andi Kleen wrote: > > > I mean, we expect 8usec delay -- historical ISA timing -- but when > > > _PCI_ card with leds is inserted, it is likely to be faster than old > > > ISA, right? > > > > Yes, i guess switching to udelay at least on newer systems would > > be a good idea. I'm not quite sure about systems without TSC though. > > Something like this? (Warning, will not probably even compile on > x86-64, I do not have 64-bit compiler near me). You need to stick in a bug trap to verify that the udelay is not called before the cpu timer has been set up. -- 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/