Messages in this thread | | | Date | Wed, 9 Jul 2008 14:02:33 -0700 | From | "Yinghai Lu" <> | Subject | Re: [PATCH] x86: Allow MMCONFIG above 4GB on x86_64 |
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On Wed, Jul 9, 2008 at 1:41 PM, John Keller <jpk@sgi.com> wrote: > SGI UV will have MMCFG base addresses that are greater than 4GB (32 bits). > > Signed-off-by: John Keller <jpk@sgi.com> > --- > > A similar patch was submitted over a year ago, but apparently was not > merged in. > > http://marc.info/?l=linux-acpi&m=117283388212912&w=2 > > > Index: linux-2.6/arch/x86/kernel/acpi/boot.c > =================================================================== > --- linux-2.6.orig/arch/x86/kernel/acpi/boot.c 2008-07-09 13:02:54.000000000 -0500 > +++ 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 > > return 0; > }
CONFIG_RESOURCES_64BIT ?
YH
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