Re: [PATCH] ACPI: Unneccessary to scan the PCI bus already scanned.

Yinghai Lu
2008-03-03T10:30:21Z

On Mon, Mar 3, 2008 at 2:11 AM, Ingo Molnar <mingo@elte.hu> wrote:
>
> i also had to hand-merge the x86.git#testing patch below - could you
> double-check that it's needed in this form?
>
> Ingo
>
> ----------->
> Subject: x86/acpi: make dev_to_node return online node
> From: Yinghai Lu <Yinghai.Lu@Sun.COM>
> Date: Wed, 20 Feb 2008 12:41:52 -0800
>
> some numa system (with multi HT chains) may return node without ram. aka it
> is not online. Try to get an online node, otherwise return -1
>
> Signed-off-by: Yinghai Lu <yinghai.lu@sun.com>
> Signed-off-by: Ingo Molnar <mingo@elte.hu>
> ---
> arch/x86/pci/acpi.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> Index: linux-x86.q/arch/x86/pci/acpi.c
> ===================================================================
> --- linux-x86.q.orig/arch/x86/pci/acpi.c
> +++ linux-x86.q/arch/x86/pci/acpi.c
> @@ -213,6 +213,9 @@ struct pci_bus * __devinit pci_acpi_scan
> set_mp_bus_to_node(busnum, node);
> else
> node = get_mp_bus_to_node(busnum);
> +
> + if (node != -1 && !node_online(node))
> + node = -1;
> #endif

still needed...

YH