Re: [stable] Wanted: Allow adding new device IDs during the -stable cycle

Greg KH
2007-05-23T00:06:59Z

On Tue, May 22, 2007 at 06:56:40PM -0400, Dave Jones wrote:
> On Tue, May 22, 2007 at 03:17:18PM -0700, Greg Kroah-Hartman wrote:
>
> > > > > I haven't found a single distro that (a) makes it trivial to add PCI IDs at
> > > > > install time, and then (b) ensures those PCI IDs remain persistent for each
> > > > > boot. We are not at all to the "just works" stage yet.
> > > >
> > > > Well, SuSE handles this just fine, but I do notice that RHEL 5 disables
> > > > the new_id stuff entirely, so I can see why you might get this
> > > > impression :)
> > >
> > > That's news to me. I didn't even realise it was possible to disable this.
> > > Pointer?
> >
> > Jon Masters told me this last week at FreedomHEC, so I don't have a
> > pointer to the patch that disables it, sorry.
>
> Either there's some miscommunication, or bonghits.
>
> (18:54:00:davej@gelk:kernel-2.6.18)$ kdiff vanilla/drivers/pci/pci-driver.c linux-2.6.18.noarch/drivers/pci/pci-driver.c
> (18:54:10:davej@gelk:kernel-2.6.18)$
>
> And as there's no CONFIG option other than CONFIG_HOTPLUG (which we obviously enable)
> I don't see any reason why this wouldn't be enabled in RHEL5.
> (And I think mdomsch would have probably had a fit if he found out we were
> disabling it, but that's another story ;-)

I thought so too, which is why I was so surprised when Jon said it.

Jon, is this really true, or was it the symptom of the 3rd pot of coffee
you were on that day? :)

thanks,

greg k-h