diff options
| -rw-r--r-- | arch/ia64/kernel/setup.c | 49 | ||||
| -rw-r--r-- | arch/ia64/kernel/smpboot.c | 21 | ||||
| -rw-r--r-- | include/asm-ia64/smp.h | 1 |
3 files changed, 22 insertions, 49 deletions
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index ae6c3c02e11..2b3751eef5c 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c @@ -417,34 +417,6 @@ mark_bsp_online (void) #endif } -#ifdef CONFIG_SMP -static void __init -check_for_logical_procs (void) -{ - pal_logical_to_physical_t info; - s64 status; - - status = ia64_pal_logical_to_phys(0, &info); - if (status == -1) { - printk(KERN_INFO "No logical to physical processor mapping " - "available\n"); - return; - } - if (status) { - printk(KERN_ERR "ia64_pal_logical_to_phys failed with %ld\n", - status); - return; - } - /* - * Total number of siblings that BSP has. Though not all of them - * may have booted successfully. The correct number of siblings - * booted is in info.overview_num_log. - */ - smp_num_siblings = info.overview_tpc; - smp_num_cpucores = info.overview_cpp; -} -#endif - static __initdata int nomca; static __init int setup_nomca(char *s) { @@ -540,15 +512,6 @@ setup_arch (char **cmdline_p) #ifdef CONFIG_SMP cpu_physical_id(0) = hard_smp_processor_id(); - check_for_logical_procs(); - if (smp_num_cpucores > 1) - printk(KERN_INFO - "cpu package is Multi-Core capable: number of cores=%d\n", - smp_num_cpucores); - if (smp_num_siblings > 1) - printk(KERN_INFO - "cpu package is Multi-Threading capable: number of siblings=%d\n", - smp_num_siblings); #endif cpu_init(); /* initialize the bootstrap CPU */ @@ -661,12 +624,13 @@ show_cpuinfo (struct seq_file *m, void *v) lpj*HZ/500000, (lpj*HZ/5000) % 100); #ifdef CONFIG_SMP seq_printf(m, "siblings : %u\n", cpus_weight(cpu_core_map[cpunum])); + if (c->socket_id != -1) + seq_printf(m, "physical id: %u\n", c->socket_id); if (c->threads_per_core > 1 || c->cores_per_socket > 1) seq_printf(m, - "physical id: %u\n" - "core id : %u\n" - "thread id : %u\n", - c->socket_id, c->core_id, c->thread_id); + "core id : %u\n" + "thread id : %u\n", + c->core_id, c->thread_id); #endif seq_printf(m,"\n"); @@ -778,6 +742,9 @@ identify_cpu (struct cpuinfo_ia64 *c) c->socket_id = -1; identify_siblings(c); + + if (c->threads_per_core > smp_num_siblings) + smp_num_siblings = c->threads_per_core; #endif c->ppn = cpuid.field.ppn; c->number = cpuid.field.number; diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c index c57dbce25c1..f0fc4d8465a 100644 --- a/arch/ia64/kernel/smpboot.c +++ b/arch/ia64/kernel/smpboot.c @@ -142,7 +142,6 @@ DEFINE_PER_CPU_SHARED_ALIGNED(cpumask_t, cpu_sibling_map); EXPORT_PER_CPU_SYMBOL(cpu_sibling_map); int smp_num_siblings = 1; -int smp_num_cpucores = 1; /* which logical CPU number maps to which CPU (physical APIC ID) */ volatile int ia64_cpu_to_sapicid[NR_CPUS]; @@ -886,13 +885,17 @@ identify_siblings(struct cpuinfo_ia64 *c) u16 pltid; pal_logical_to_physical_t info; - if (smp_num_cpucores == 1 && smp_num_siblings == 1) - return; - if ((status = ia64_pal_logical_to_phys(-1, &info)) != PAL_STATUS_SUCCESS) { - printk(KERN_ERR "ia64_pal_logical_to_phys failed with %ld\n", - status); - return; + if (status != PAL_STATUS_UNIMPLEMENTED) { + printk(KERN_ERR + "ia64_pal_logical_to_phys failed with %ld\n", + status); + return; + } + + info.overview_ppid = 0; + info.overview_cpp = 1; + info.overview_tpc = 1; } if ((status = ia64_sal_physical_id_info(&pltid)) != PAL_STATUS_SUCCESS) { printk(KERN_ERR "ia64_sal_pltid failed with %ld\n", status); @@ -900,6 +903,10 @@ identify_siblings(struct cpuinfo_ia64 *c) } c->socket_id = (pltid << 8) | info.overview_ppid; + + if (info.overview_cpp == 1 && info.overview_tpc == 1) + return; + c->cores_per_socket = info.overview_cpp; c->threads_per_core = info.overview_tpc; c->num_log = info.overview_num_log; diff --git a/include/asm-ia64/smp.h b/include/asm-ia64/smp.h index 471cc2ee9ac..4fa733dd417 100644 --- a/include/asm-ia64/smp.h +++ b/include/asm-ia64/smp.h @@ -60,7 +60,6 @@ extern cpumask_t cpu_online_map; extern cpumask_t cpu_core_map[NR_CPUS]; DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); extern int smp_num_siblings; -extern int smp_num_cpucores; extern void __iomem *ipi_base_addr; extern unsigned char smp_int_redirect; |