diff options
Diffstat (limited to 'arch/alpha')
-rw-r--r-- | arch/alpha/include/asm/smp.h | 1 | ||||
-rw-r--r-- | arch/alpha/include/asm/topology.h | 17 | ||||
-rw-r--r-- | arch/alpha/kernel/irq.c | 2 | ||||
-rw-r--r-- | arch/alpha/kernel/process.c | 2 | ||||
-rw-r--r-- | arch/alpha/kernel/setup.c | 5 | ||||
-rw-r--r-- | arch/alpha/kernel/smp.c | 7 | ||||
-rw-r--r-- | arch/alpha/kernel/sys_dp264.c | 8 | ||||
-rw-r--r-- | arch/alpha/kernel/sys_titan.c | 4 |
8 files changed, 33 insertions, 13 deletions
diff --git a/arch/alpha/include/asm/smp.h b/arch/alpha/include/asm/smp.h index 544c69af816..547e90951ce 100644 --- a/arch/alpha/include/asm/smp.h +++ b/arch/alpha/include/asm/smp.h @@ -45,7 +45,6 @@ extern struct cpuinfo_alpha cpu_data[NR_CPUS]; #define raw_smp_processor_id() (current_thread_info()->cpu) extern int smp_num_cpus; -#define cpu_possible_map cpu_present_map extern void arch_send_call_function_single_ipi(int cpu); extern void arch_send_call_function_ipi(cpumask_t mask); diff --git a/arch/alpha/include/asm/topology.h b/arch/alpha/include/asm/topology.h index 149532e162c..b4f284c72ff 100644 --- a/arch/alpha/include/asm/topology.h +++ b/arch/alpha/include/asm/topology.h @@ -39,7 +39,24 @@ static inline cpumask_t node_to_cpumask(int node) return node_cpu_mask; } +extern struct cpumask node_to_cpumask_map[]; +/* FIXME: This is dumb, recalculating every time. But simple. */ +static const struct cpumask *cpumask_of_node(int node) +{ + int cpu; + + cpumask_clear(&node_to_cpumask_map[node]); + + for_each_online_cpu(cpu) { + if (cpu_to_node(cpu) == node) + cpumask_set_cpu(cpu, node_to_cpumask_map[node]); + } + + return &node_to_cpumask_map[node]; +} + #define pcibus_to_cpumask(bus) (cpu_online_map) +#define cpumask_of_pcibus(bus) (cpu_online_mask) #endif /* !CONFIG_NUMA */ # include <asm-generic/topology.h> diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c index c626a821cdc..d0f1620007f 100644 --- a/arch/alpha/kernel/irq.c +++ b/arch/alpha/kernel/irq.c @@ -55,7 +55,7 @@ int irq_select_affinity(unsigned int irq) last_cpu = cpu; irq_desc[irq].affinity = cpumask_of_cpu(cpu); - irq_desc[irq].chip->set_affinity(irq, cpumask_of_cpu(cpu)); + irq_desc[irq].chip->set_affinity(irq, cpumask_of(cpu)); return 0; } #endif /* CONFIG_SMP */ diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c index 351407e07e7..f238370c907 100644 --- a/arch/alpha/kernel/process.c +++ b/arch/alpha/kernel/process.c @@ -94,6 +94,7 @@ common_shutdown_1(void *generic_ptr) flags |= 0x00040000UL; /* "remain halted" */ *pflags = flags; cpu_clear(cpuid, cpu_present_map); + cpu_clear(cpuid, cpu_possible_map); halt(); } #endif @@ -120,6 +121,7 @@ common_shutdown_1(void *generic_ptr) #ifdef CONFIG_SMP /* Wait for the secondaries to halt. */ cpu_clear(boot_cpuid, cpu_present_map); + cpu_clear(boot_cpuid, cpu_possible_map); while (cpus_weight(cpu_present_map)) barrier(); #endif diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c index a449e999027..02bee6983ce 100644 --- a/arch/alpha/kernel/setup.c +++ b/arch/alpha/kernel/setup.c @@ -79,6 +79,11 @@ int alpha_l3_cacheshape; unsigned long alpha_verbose_mcheck = CONFIG_VERBOSE_MCHECK_ON; #endif +#ifdef CONFIG_NUMA +struct cpumask node_to_cpumask_map[MAX_NUMNODES] __read_mostly; +EXPORT_SYMBOL(node_to_cpumask_map); +#endif + /* Which processor we booted from. */ int boot_cpuid; diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c index cf7da10097b..d953e510f68 100644 --- a/arch/alpha/kernel/smp.c +++ b/arch/alpha/kernel/smp.c @@ -70,11 +70,6 @@ enum ipi_message_type { /* Set to a secondary's cpuid when it comes online. */ static int smp_secondary_alive __devinitdata = 0; -/* Which cpus ids came online. */ -cpumask_t cpu_online_map; - -EXPORT_SYMBOL(cpu_online_map); - int smp_num_probed; /* Internal processor count */ int smp_num_cpus = 1; /* Number that came online. */ EXPORT_SYMBOL(smp_num_cpus); @@ -440,6 +435,7 @@ setup_smp(void) ((char *)cpubase + i*hwrpb->processor_size); if ((cpu->flags & 0x1cc) == 0x1cc) { smp_num_probed++; + cpu_set(i, cpu_possible_map); cpu_set(i, cpu_present_map); cpu->pal_revision = boot_cpu_palrev; } @@ -473,6 +469,7 @@ smp_prepare_cpus(unsigned int max_cpus) /* Nothing to do on a UP box, or when told not to. */ if (smp_num_probed == 1 || max_cpus == 0) { + cpu_possible_map = cpumask_of_cpu(boot_cpuid); cpu_present_map = cpumask_of_cpu(boot_cpuid); printk(KERN_INFO "SMP mode deactivated.\n"); return; diff --git a/arch/alpha/kernel/sys_dp264.c b/arch/alpha/kernel/sys_dp264.c index c71b0fd7a61..ab44c164d9d 100644 --- a/arch/alpha/kernel/sys_dp264.c +++ b/arch/alpha/kernel/sys_dp264.c @@ -177,19 +177,19 @@ cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity) } static void -dp264_set_affinity(unsigned int irq, cpumask_t affinity) +dp264_set_affinity(unsigned int irq, const struct cpumask *affinity) { spin_lock(&dp264_irq_lock); - cpu_set_irq_affinity(irq, affinity); + cpu_set_irq_affinity(irq, *affinity); tsunami_update_irq_hw(cached_irq_mask); spin_unlock(&dp264_irq_lock); } static void -clipper_set_affinity(unsigned int irq, cpumask_t affinity) +clipper_set_affinity(unsigned int irq, const struct cpumask *affinity) { spin_lock(&dp264_irq_lock); - cpu_set_irq_affinity(irq - 16, affinity); + cpu_set_irq_affinity(irq - 16, *affinity); tsunami_update_irq_hw(cached_irq_mask); spin_unlock(&dp264_irq_lock); } diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c index 52c91ccc164..27f840a4ad3 100644 --- a/arch/alpha/kernel/sys_titan.c +++ b/arch/alpha/kernel/sys_titan.c @@ -158,10 +158,10 @@ titan_cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity) } static void -titan_set_irq_affinity(unsigned int irq, cpumask_t affinity) +titan_set_irq_affinity(unsigned int irq, const struct cpumask *affinity) { spin_lock(&titan_irq_lock); - titan_cpu_set_irq_affinity(irq - 16, affinity); + titan_cpu_set_irq_affinity(irq - 16, *affinity); titan_update_irq_hw(titan_cached_irq_mask); spin_unlock(&titan_irq_lock); } |