Messages in this thread Patch in this message | | | From | Ulrich Drepper <> | Date | Wed, 20 Jun 2012 16:04:26 -0400 | Subject | Re: SNB PCI root information |
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On Wed, Jun 20, 2012 at 3:34 PM, Ingo Molnar <mingo@kernel.org> wrote: > I mean, if we create a parameter space that tweaks data then why > not make it complete and allow *all* firmware data to be > (optionally) modified, from the kernel boot line?
If there is proof that BIOSes get it wrong then just use this small additional patch:
Signed-off-by: Ulrich Drepper <drepper@gmail.com>
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index fc09c27..7aceb84 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -387,16 +387,16 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_pci_root *root) return NULL; }
- node = -1; + node = get_mp_bus_to_node(busnum); #ifdef CONFIG_ACPI_NUMA - pxm = acpi_get_pxm(device->handle); - if (pxm >= 0) - node = pxm_to_node(pxm); - if (node != -1) - set_mp_bus_to_node(busnum, node); - else + if (node == -1) { + pxm = acpi_get_pxm(device->handle); + if (pxm >= 0) + node = pxm_to_node(pxm); + if (node != -1) + set_mp_bus_to_node(busnum, node); + } #endif - node = get_mp_bus_to_node(busnum);
if (node != -1 && !node_online(node)) node = -1;
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