Messages in this thread | | | Date | 6 Jul 2006 21:18:04 +0200 | Date | Thu, 6 Jul 2006 21:18:04 +0200 | From | Andi Kleen <> | Subject | Re: + edac-new-opteron-athlon64-memory-controller-driver.patch added to -mm tree |
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On Thu, Jul 06, 2006 at 01:09:35PM -0600, Eric W. Biederman wrote: > > Then anything with MMIO or interrupts or anything dynamic > > definitely belongs into kernel space agreed. > > Yep we sometimes have to mess with MMIO.
Not on K8 at least, no?
Maybe we should discuss each chipset separatedly :)
> > > But at least on K8 DIMM inventory is purely reading PCI config space on > > something that doesn't change and doesn't need any locking. > > It also doesn't need to do anything complicated, but just look > > for the right PCI ID. > > Mostly. Except for the part where you have to figure out the stepping > of the processor connected to the memory controller to properly decode > the registers. AMD should have used the revision field in pci config > space but...
That's in /proc/cpuinfo
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