diff options
Diffstat (limited to 'arch/x86/kernel/apic/x2apic_uv_x.c')
| -rw-r--r-- | arch/x86/kernel/apic/x2apic_uv_x.c | 59 |
1 files changed, 44 insertions, 15 deletions
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 69aa2a9..35c9610 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -54,6 +54,7 @@ unsigned int uv_apicid_hibits; EXPORT_SYMBOL_GPL(uv_apicid_hibits); static struct apic apic_x2apic_uv_x; +static struct uv_hub_info_s uv_hub_info_node0; /* Set this to use hardware error handler instead of kernel panic */ static int disable_uv_undefined_panic = 1; @@ -165,6 +166,9 @@ static int __init uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id) if (strncmp(oem_id, "SGI", 3) != 0) return 0; + /* Setup early hub type field in uv_hub_info for Node 0 */ + uv_cpu_info->p_uv_hub_info = &uv_hub_info_node0; + /* * Determine UV arch type. * SGI: UV100/1000 @@ -228,8 +232,8 @@ int is_uv_system(void) } EXPORT_SYMBOL_GPL(is_uv_system); -DEFINE_PER_CPU(struct uv_hub_info_s, __uv_hub_info); -EXPORT_PER_CPU_SYMBOL_GPL(__uv_hub_info); +void **__uv_hub_info_list; +EXPORT_SYMBOL_GPL(__uv_hub_info_list); DEFINE_PER_CPU(struct uv_cpu_info_s, __uv_cpu_info); EXPORT_PER_CPU_SYMBOL_GPL(__uv_cpu_info); @@ -249,6 +253,12 @@ EXPORT_SYMBOL_GPL(uv_possible_blades); unsigned long sn_rtc_cycles_per_second; EXPORT_SYMBOL(sn_rtc_cycles_per_second); +extern int uv_hub_info_version(void) +{ + return UV_HUB_INFO_VERSION; +} +EXPORT_SYMBOL(uv_hub_info_version); + static int uv_wakeup_secondary(int phys_apicid, unsigned long start_rip) { unsigned long val; @@ -988,9 +998,15 @@ void __init uv_system_init(void) uv_init_hub_info(&hub_info); - for(i = 0; i < UVH_NODE_PRESENT_TABLE_DEPTH; i++) - uv_possible_blades += - hweight64(uv_read_local_mmr( UVH_NODE_PRESENT_TABLE + i * 8)); + pr_info("UV: NODE_PRESENT_DEPTH = %d\n", UVH_NODE_PRESENT_TABLE_DEPTH); + for (i = 0; i < UVH_NODE_PRESENT_TABLE_DEPTH; i++) { + unsigned long np; + + np = uv_read_local_mmr(UVH_NODE_PRESENT_TABLE + i * 8); + if (np) + pr_info("UV: NODE_PRESENT(%d) = 0x%016lx\n", i, np); + uv_possible_blades += hweight64(np); + } /* uv_num_possible_blades() is really the hub count */ pr_info("UV: Found %d hubs, %d nodes, %d cpus\n", @@ -1016,6 +1032,10 @@ void __init uv_system_init(void) BUG_ON(!uv_cpu_to_blade); memset(uv_cpu_to_blade, 255, bytes); + bytes = sizeof(void *) * uv_num_possible_blades(); + __uv_hub_info_list = kzalloc(bytes, GFP_KERNEL); + BUG_ON(!__uv_hub_info_list); + blade = 0; for (i = 0; i < UVH_NODE_PRESENT_TABLE_DEPTH; i++) { unsigned long present = @@ -1040,28 +1060,37 @@ void __init uv_system_init(void) uv_rtc_init(); for_each_present_cpu(cpu) { + struct uv_hub_info_s *new_hub = NULL; int apicid = per_cpu(x86_cpu_to_apicid, cpu); int nodeid = cpu_to_node(cpu); - int lcpu; - *uv_cpu_hub_info(cpu) = hub_info; /* common hub values */ - pnode = uv_apicid_to_pnode(apicid); - blade = boot_pnode_to_blade(pnode); - lcpu = uv_blade_info[blade].nr_possible_cpus; - uv_blade_info[blade].nr_possible_cpus++; + /* Allocate new per hub info list */ + if (uv_hub_info_list(nodeid) == NULL) { + if (cpu == 0) + __uv_hub_info_list[0] = &uv_hub_info_node0; + else + __uv_hub_info_list[nodeid] = + kzalloc_node(bytes, GFP_KERNEL, nodeid); + + new_hub = uv_hub_info_list(nodeid); + BUG_ON(!new_hub); + *new_hub = hub_info; + blade = boot_pnode_to_blade(new_hub->pnode); + new_hub->pnode = uv_apicid_to_pnode(apicid); + new_hub->numa_blade_id = blade; + } /* Any node on the blade, else will contain -1. */ uv_blade_info[blade].memory_nid = nodeid; - uv_cpu_hub_info(cpu)->numa_blade_id = blade; - uv_cpu_hub_info(cpu)->pnode = pnode; uv_node_to_blade[nodeid] = blade; uv_cpu_to_blade[cpu] = blade; /* Initialize per cpu info list */ - uv_cpu_info_per(cpu)->p_uv_hub_info = uv_cpu_hub_info(cpu); - uv_cpu_info_per(cpu)->blade_cpu_id = lcpu; + uv_cpu_info_per(cpu)->p_uv_hub_info = uv_hub_info_list(nodeid); uv_cpu_info_per(cpu)->scir.offset = uv_scir_offset(apicid); + uv_cpu_info_per(cpu)->blade_cpu_id = + uv_blade_info[blade].nr_possible_cpus++; } /* Add blade/pnode info for nodes without cpus */ |
