diff options
| -rw-r--r-- | arch/x86/kernel/setup_64.c | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/smpboot_64.c | 6 | ||||
| -rw-r--r-- | arch/x86/mm/numa_64.c | 20 | ||||
| -rw-r--r-- | include/asm-x86/numa_64.h | 2 | ||||
| -rw-r--r-- | include/asm-x86/topology.h | 15 | ||||
| -rw-r--r-- | net/sunrpc/svc.c | 1 |
6 files changed, 38 insertions, 10 deletions
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c index e2beb4c..529e45c3 100644 --- a/arch/x86/kernel/setup_64.c +++ b/arch/x86/kernel/setup_64.c @@ -65,6 +65,7 @@ #include <asm/cacheflush.h> #include <asm/mce.h> #include <asm/ds.h> +#include <asm/topology.h> #ifdef CONFIG_PARAVIRT #include <asm/paravirt.h> @@ -359,8 +360,9 @@ void __init setup_arch(char **cmdline_p) io_delay_init(); #ifdef CONFIG_SMP - /* setup to use the static apicid table during kernel startup */ + /* setup to use the early static init tables during kernel startup */ x86_cpu_to_apicid_early_ptr = (void *)&x86_cpu_to_apicid_init; + x86_cpu_to_node_map_early_ptr = (void *)&x86_cpu_to_node_map_init; #endif #ifdef CONFIG_ACPI diff --git a/arch/x86/kernel/smpboot_64.c b/arch/x86/kernel/smpboot_64.c index a2076b5..a8bc2bc 100644 --- a/arch/x86/kernel/smpboot_64.c +++ b/arch/x86/kernel/smpboot_64.c @@ -861,9 +861,12 @@ void __init smp_set_apicids(void) int cpu; for_each_possible_cpu(cpu) { - if (per_cpu_offset(cpu)) + if (per_cpu_offset(cpu)) { per_cpu(x86_cpu_to_apicid, cpu) = x86_cpu_to_apicid_init[cpu]; + per_cpu(x86_cpu_to_node_map, cpu) = + x86_cpu_to_node_map_init[cpu]; + } else printk(KERN_NOTICE "per_cpu_offset zero for cpu %d\n", cpu); @@ -871,6 +874,7 @@ void __init smp_set_apicids(void) /* indicate the early static arrays are gone */ x86_cpu_to_apicid_early_ptr = NULL; + x86_cpu_to_node_map_early_ptr = NULL; } static void __init smp_cpu_index_default(void) diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c index bc6dd50..382377d 100644 --- a/arch/x86/mm/numa_64.c +++ b/arch/x86/mm/numa_64.c @@ -31,10 +31,14 @@ bootmem_data_t plat_node_bdata[MAX_NUMNODES]; struct memnode memnode; -u16 cpu_to_node_map[NR_CPUS] __read_mostly = { +u16 x86_cpu_to_node_map_init[NR_CPUS] __initdata = { [0 ... NR_CPUS-1] = NUMA_NO_NODE }; -EXPORT_SYMBOL(cpu_to_node_map); +void *x86_cpu_to_node_map_early_ptr; +EXPORT_SYMBOL(x86_cpu_to_node_map_init); +EXPORT_SYMBOL(x86_cpu_to_node_map_early_ptr); +DEFINE_PER_CPU(u16, x86_cpu_to_node_map) = NUMA_NO_NODE; +EXPORT_PER_CPU_SYMBOL(x86_cpu_to_node_map); u16 apicid_to_node[MAX_LOCAL_APIC] __cpuinitdata = { [0 ... MAX_LOCAL_APIC-1] = NUMA_NO_NODE @@ -544,7 +548,7 @@ void __init numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn) node_set(0, node_possible_map); for (i = 0; i < NR_CPUS; i++) numa_set_node(i, 0); - /* we can't use cpumask_of_cpu() yet */ + /* cpumask_of_cpu() may not be available during early startup */ memset(&node_to_cpumask_map[0], 0, sizeof(node_to_cpumask_map[0])); cpu_set(0, node_to_cpumask_map[0]); e820_register_active_regions(0, start_pfn, end_pfn); @@ -558,8 +562,16 @@ __cpuinit void numa_add_cpu(int cpu) void __cpuinit numa_set_node(int cpu, int node) { + u16 *cpu_to_node_map = (u16 *)x86_cpu_to_node_map_early_ptr; + cpu_pda(cpu)->nodenumber = node; - cpu_to_node_map[cpu] = node; + + if(cpu_to_node_map) + cpu_to_node_map[cpu] = node; + else if(per_cpu_offset(cpu)) + per_cpu(x86_cpu_to_node_map, cpu) = node; + else + Dprintk(KERN_INFO "Setting node for non-present cpu %d\n", cpu); } unsigned long __init numa_free_all_bootmem(void) diff --git a/include/asm-x86/numa_64.h b/include/asm-x86/numa_64.h index 9418894..c797cd5 100644 --- a/include/asm-x86/numa_64.h +++ b/include/asm-x86/numa_64.h @@ -40,6 +40,4 @@ static inline void clear_node_cpumask(int cpu) #define clear_node_cpumask(cpu) do {} while (0) #endif -#define NUMA_NO_NODE 0xffff - #endif diff --git a/include/asm-x86/topology.h b/include/asm-x86/topology.h index f8706b2..e612ed8 100644 --- a/include/asm-x86/topology.h +++ b/include/asm-x86/topology.h @@ -30,13 +30,24 @@ #include <asm/mpspec.h> /* Mappings between logical cpu number and node number */ -extern u16 cpu_to_node_map[]; +DECLARE_PER_CPU(u16, x86_cpu_to_node_map); +extern u16 __initdata x86_cpu_to_node_map_init[]; +extern void *x86_cpu_to_node_map_early_ptr; extern cpumask_t node_to_cpumask_map[]; +#define NUMA_NO_NODE ((u16)(~0)) + /* Returns the number of the node containing CPU 'cpu' */ static inline int cpu_to_node(int cpu) { - return cpu_to_node_map[cpu]; + u16 *cpu_to_node_map = (u16 *)x86_cpu_to_node_map_early_ptr; + + if (cpu_to_node_map) + return cpu_to_node_map[cpu]; + else if (per_cpu_offset(cpu)) + return per_cpu(x86_cpu_to_node_map, cpu); + else + return NUMA_NO_NODE; } /* diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index a4a6bf7..4ad5fbb 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -18,6 +18,7 @@ #include <linux/mm.h> #include <linux/interrupt.h> #include <linux/module.h> +#include <linux/sched.h> #include <linux/sunrpc/types.h> #include <linux/sunrpc/xdr.h> |
