The IOMMU, LSAPIC, IOSAPIC, and PCI host bridge code doesn't care about _PXM values directly; it only needs to know what NUMA node the hardware is on.
This uses acpi_get_node() directly and removes the _PXM stuff. Signed-off-by: Bjorn Helgaas <[email protected]> --- arch/ia64/hp/common/sba_iommu.c | 22 +++++----------------- arch/ia64/include/asm/pci.h | 2 +- arch/ia64/kernel/acpi.c | 28 +++++++--------------------- arch/ia64/pci/pci.c | 10 ++-------- 4 files changed, 15 insertions(+), 47 deletions(-) diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c index a52d6b49b7ce..007361d59aa6 100644 --- a/arch/ia64/hp/common/sba_iommu.c +++ b/arch/ia64/hp/common/sba_iommu.c @@ -2017,31 +2017,19 @@ sba_connect_bus(struct pci_bus *bus) printk(KERN_WARNING "No IOC for PCI Bus %04x:%02x in ACPI\n", pci_domain_nr(bus), bus->number); } -#ifdef CONFIG_NUMA static void __init sba_map_ioc_to_node(struct ioc *ioc, acpi_handle handle) { +#ifdef CONFIG_NUMA unsigned int node; - int pxm; - - ioc->node = NUMA_NO_NODE; - - pxm = acpi_get_pxm(handle); - - if (pxm < 0) - return; - node = pxm_to_node(pxm); - - if (node == NUMA_NO_NODE || !node_online(node)) - return; + node = acpi_get_node(handle); + if (node != NUMA_NO_NODE && !node_online(node)) + node = NUMA_NO_NODE; ioc->node = node; - return; -} -#else -#define sba_map_ioc_to_node(ioc, handle) #endif +} static int __init acpi_sba_ioc_add(struct acpi_device *device, diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h index 71fbaaa495cc..7d41cc089822 100644 --- a/arch/ia64/include/asm/pci.h +++ b/arch/ia64/include/asm/pci.h @@ -98,7 +98,7 @@ struct pci_controller { struct acpi_device *companion; void *iommu; int segment; - int node; /* nearest node with memory or -1 for global allocation */ + int node; /* nearest node with memory or NUMA_NO_NODE for global allocation */ void *platform_data; }; diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c index 07d209c9507f..5a585ebe9df3 100644 --- a/arch/ia64/kernel/acpi.c +++ b/arch/ia64/kernel/acpi.c @@ -803,14 +803,9 @@ int acpi_isa_irq_to_gsi(unsigned isa_irq, u32 *gsi) * ACPI based hotplug CPU support */ #ifdef CONFIG_ACPI_HOTPLUG_CPU -static -int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid) +static int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid) { #ifdef CONFIG_ACPI_NUMA - int pxm_id; - int nid; - - pxm_id = acpi_get_pxm(handle); /* * We don't have cpu-only-node hotadd. But if the system equips * SRAT table, pxm is already found and node is ready. @@ -818,11 +813,10 @@ int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid) * This code here is for the system which doesn't have full SRAT * table for possible cpus. */ - nid = acpi_map_pxm_to_node(pxm_id); node_cpuid[cpu].phys_id = physid; - node_cpuid[cpu].nid = nid; + node_cpuid[cpu].nid = acpi_get_node(handle); #endif - return (0); + return 0; } int additional_cpus __initdata = -1; @@ -929,7 +923,7 @@ static acpi_status acpi_map_iosapic(acpi_handle handle, u32 depth, union acpi_object *obj; struct acpi_madt_io_sapic *iosapic; unsigned int gsi_base; - int pxm, node; + int node; /* Only care about objects w/ a method that returns the MADT */ if (ACPI_FAILURE(acpi_evaluate_object(handle, "_MAT", NULL, &buffer))) @@ -956,17 +950,9 @@ static acpi_status acpi_map_iosapic(acpi_handle handle, u32 depth, kfree(buffer.pointer); - /* - * OK, it's an IOSAPIC MADT entry, look for a _PXM value to tell - * us which node to associate this with. - */ - pxm = acpi_get_pxm(handle); - if (pxm < 0) - return AE_OK; - - node = pxm_to_node(pxm); - - if (node >= MAX_NUMNODES || !node_online(node) || + /* OK, it's an IOSAPIC MADT entry; associate it with a node */ + node = acpi_get_node(handle); + if (node == NUMA_NO_NODE || !node_online(node) || cpumask_empty(cpumask_of_node(node))) return AE_OK; diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c index 9e4938d8ca4d..291a582777cf 100644 --- a/arch/ia64/pci/pci.c +++ b/arch/ia64/pci/pci.c @@ -126,7 +126,6 @@ static struct pci_controller *alloc_pci_controller(int seg) return NULL; controller->segment = seg; - controller->node = -1; return controller; } @@ -430,19 +429,14 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root) struct pci_root_info *info = NULL; int busnum = root->secondary.start; struct pci_bus *pbus; - int pxm, ret; + int ret; controller = alloc_pci_controller(domain); if (!controller) return NULL; controller->companion = device; - - pxm = acpi_get_pxm(device->handle); -#ifdef CONFIG_NUMA - if (pxm >= 0) - controller->node = pxm_to_node(pxm); -#endif + controller->node = acpi_get_node(device->handle); info = kzalloc(sizeof(*info), GFP_KERNEL); if (!info) { -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
