From: Anton Blanchard Date: Fri, 13 Oct 2006 02:26:57 +0000 (+1000) Subject: [POWERPC] Check for offline nodes in pci NUMA code X-Git-Tag: v2.6.19-rc3~153^2 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=284a940675a64df253e3dffc60b09bb4bbb149e4;p=linux-2.6-omap-h63xx.git [POWERPC] Check for offline nodes in pci NUMA code During boot we bring up all memory and cpu nodes. Normally a PCI device will be in one of these online nodes, however in some weird setups it may not. We have only seen this in the lab but we may as well check for the case and fallback to -1 (all nodes). Signed-off-by: Anton Blanchard Signed-off-by: Paul Mackerras --- diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index 78d3c0fc8df..9bae8a5bf67 100644 --- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c @@ -199,8 +199,14 @@ struct pci_controller * pcibios_alloc_controller(struct device_node *dev) pci_setup_pci_controller(phb); phb->arch_data = dev; phb->is_dynamic = mem_init_done; - if (dev) - PHB_SET_NODE(phb, of_node_to_nid(dev)); + if (dev) { + int nid = of_node_to_nid(dev); + + if (nid < 0 || !node_online(nid)) + nid = -1; + + PHB_SET_NODE(phb, nid); + } return phb; }