>
>
> * John Keller <jpk@xxxxxxx> wrote:
>
> > SGI UV will have MMCFG base addresses that are greater than 4GB (32
> > bits).
>
> > +++ linux-2.6/arch/x86/kernel/acpi/boot.c 2008-07-09 15:25:32.000000000 -0500
> > @@ -200,6 +200,7 @@ int __init acpi_parse_mcfg(struct acpi_t
> > }
> >
> > memcpy(pci_mmcfg_config, &mcfg[1], config_size);
> > +#ifndef CONFIG_X86_64
> > for (i = 0; i < pci_mmcfg_config_num; ++i) {
> > if (pci_mmcfg_config[i].address > 0xFFFFFFFF) {
> > printk(KERN_ERR PREFIX
> > @@ -209,6 +210,7 @@ int __init acpi_parse_mcfg(struct acpi_t
> > return -ENODEV;
> > }
> > }
> > +#endif
>
> hm. If then it should be enabled very carefully and initially probably
> on a per system (i.e. DMI driven whitelist) basis.
>
> Ingo
I've also posted a revised patch that is platform specific.
http://marc.info/?l=linux-acpi&m=121615159014404&w=2
John
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