Update the SN pci device info to use the nearest node function
to allocate driver memory on the nearest node (rather than
defaulting to node 0).
Signed-off-by: Mark Goodwin <[EMAIL PROTECTED]>
Index: linux/arch/ia64/sn/pci/pcibr/pcibr_provider.c
===================================================================
--- linux.orig/arch/ia64/sn/pci/pcibr/pcibr_provider.c 2005-08-15
13:23:40.613371546 +1000
+++ linux/arch/ia64/sn/pci/pcibr/pcibr_provider.c 2005-08-16
06:22:01.168092514 +1000
@@ -15,6 +15,7 @@
#include <asm/sn/pcibus_provider_defs.h>
#include <asm/sn/pcidev.h>
#include <asm/sn/sn_sal.h>
+#include <asm/sn/sn2/sn_hwperf.h>
#include "xtalk/xwidgetdev.h"
#include "xtalk/hubdev.h"
@@ -88,6 +89,7 @@
pcibr_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller
*controller)
{
int nasid, cnode, j;
+ cnodeid_t near_cnode;
struct hubdev_info *hubdev_info;
struct pcibus_info *soft;
struct sn_flush_device_list *sn_flush_device_list;
@@ -158,12 +160,18 @@
memset(soft->pbi_int_ate_resource.ate, 0,
(soft->pbi_int_ate_size * sizeof(uint64_t)));
- if (prom_bussoft->bs_asic_type == PCIIO_ASIC_TYPE_TIOCP)
- /*
- * TIO PCI Bridge with no closest node information.
- * FIXME: Find another way to determine the closest node
- */
- controller->node = -1;
+ if (prom_bussoft->bs_asic_type == PCIIO_ASIC_TYPE_TIOCP) {
+ /* TIO PCI Bridge: find nearest node with CPUs */
+ int e = sn_hwperf_get_nearest_node(cnode, NULL, &near_cnode);
+
+ if (e < 0) {
+ near_cnode = (cnodeid_t)-1; /* use any node */
+ printk(KERN_WARNING "pcibr_bus_fixup: failed to find "
+ "near node with CPUs to TIO node %d, err=%d\n",
+ cnode, e);
+ }
+ controller->node = near_cnode;
+ }
else
controller->node = cnode;
return soft;
-
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