On Tue, May 08, 2007 at 06:38:46PM +0200, Cornelia Huck wrote: > On Tue, 8 May 2007 08:27:34 -0700 (PDT), > Linus Torvalds <[EMAIL PROTECTED]> wrote: > > > And no, we should not do it at the device core level. In fact, I don't > > think we should do it at that level at all. > > > > I'm pretty sure that the performance problems are at individual device > > drivers, and that the right solution is to thread at *that* level. Not > > higher up. > > These are two different problems: > > 1. Probing taking long for individual device drivers. I agree, this > should be solved at the driver level.
For your bus perhaps, but not for PCI. > 2. Sheer volume of devices on a bus. Even if the indivdual probing > doesn't take long, having all devices probed one after the other may > take a lot of time. Putting the actual probe on a thread makes it > possible to run several probes in parallel, thereby cutting probing > time. Again, not for PCI, right? If you want to implement this for your bus type, fine, I have no objection to that at all, but not for PCI, it's just not worth it. thanks, greg k-h - 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/
