Messages in this thread | | | Date | Tue, 07 Aug 2007 21:21:24 -0400 | From | Jeff Garzik <> | Subject | Re: [PATCH/RFT] finish i386 and x86-64 sysdata conversion |
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Yinghai Lu wrote: > the sysdata stuff try to fix: > when calgary iommu code was introduced, it is trying to share sysdata > that orginally is initialized k8_bus.c and used by pcibus_to_node. but > that only happen with AMD K8 platform. and have nothing to do with > calgary.
incorrect: sysdata is initialized when the structure is created, which clearly not only in k8_bus.c
> Then my patch get_mp_bus_to_node_as_early will use that sysdata as > node as early as possible before the pci_scan bus is called.
that's incorrect, since it assumes NUMA owns ->sysdata
> then Mul came out his patch ...to split the sharing that will never happen.
that's incorrect, ->sysdata will be shared among Calgary, NUMA, and PCI-domain support.
> Also i don't think anyone test muli sysdata patch with amd64 platform > with acpi=off. even muli himself.
I did. I did all PCI domain support development on AMD64 platform.
> calgary support bus numa at this time? i mean mult peer root bus on > different node..
My PCI domains patch add support for multiple peer root buses. That's the definition of PCI domain support.
Branch 'pciseg' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6.git
Jeff
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