diff options
| -rw-r--r-- | arch/x86/kernel/cpu/common.c | 13 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/proc.c | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/setup_64.c | 11 | ||||
| -rw-r--r-- | include/asm-x86/processor.h | 1 |
4 files changed, 16 insertions, 12 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 57a46c3..0dd87b8 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -369,10 +369,12 @@ static void __cpuinit generic_identify(struct cpuinfo_x86 *c) if (c->x86 >= 0x6) c->x86_model += ((tfms >> 16) & 0xF) << 4; c->x86_mask = tfms & 15; + c->initial_apicid = (ebx >> 24) & 0xFF; #ifdef CONFIG_X86_HT - c->apicid = phys_pkg_id((ebx >> 24) & 0xFF, 0); + c->apicid = phys_pkg_id(c->initial_apicid, 0); + c->phys_proc_id = c->initial_apicid; #else - c->apicid = (ebx >> 24) & 0xFF; + c->apicid = c->initial_apicid; #endif if (test_cpu_cap(c, X86_FEATURE_CLFLSH)) c->x86_clflush_size = ((ebx >> 8) & 0xff) * 8; @@ -395,9 +397,6 @@ static void __cpuinit generic_identify(struct cpuinfo_x86 *c) init_scattered_cpuid_features(c); } -#ifdef CONFIG_X86_HT - c->phys_proc_id = (cpuid_ebx(1) >> 24) & 0xff; -#endif } static void __cpuinit squash_the_stupid_serial_number(struct cpuinfo_x86 *c) @@ -554,7 +553,7 @@ void __cpuinit detect_ht(struct cpuinfo_x86 *c) } index_msb = get_count_order(smp_num_siblings); - c->phys_proc_id = phys_pkg_id((ebx >> 24) & 0xFF, index_msb); + c->phys_proc_id = phys_pkg_id(c->initial_apicid, index_msb); printk(KERN_INFO "CPU: Physical Processor ID: %d\n", c->phys_proc_id); @@ -565,7 +564,7 @@ void __cpuinit detect_ht(struct cpuinfo_x86 *c) core_bits = get_count_order(c->x86_max_cores); - c->cpu_core_id = phys_pkg_id((ebx >> 24) & 0xFF, index_msb) & + c->cpu_core_id = phys_pkg_id(c->initial_apicid, index_msb) & ((1 << core_bits) - 1); if (c->x86_max_cores > 1) diff --git a/arch/x86/kernel/cpu/proc.c b/arch/x86/kernel/cpu/proc.c index e8e58c0..0978a4a 100644 --- a/arch/x86/kernel/cpu/proc.c +++ b/arch/x86/kernel/cpu/proc.c @@ -19,6 +19,8 @@ static void show_cpuinfo_core(struct seq_file *m, struct cpuinfo_x86 *c, cpus_weight(per_cpu(cpu_core_map, cpu))); seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id); seq_printf(m, "cpu cores\t: %d\n", c->booted_cores); + seq_printf(m, "apicid\t\t: %d\n", c->apicid); + seq_printf(m, "initial apicid\t: %d\n", c->initial_apicid); } #endif } @@ -60,6 +62,7 @@ static void show_cpuinfo_core(struct seq_file *m, struct cpuinfo_x86 *c, seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id); seq_printf(m, "cpu cores\t: %d\n", c->booted_cores); seq_printf(m, "apicid\t\t: %d\n", c->apicid); + seq_printf(m, "initial apicid\t: %d\n", c->initial_apicid); } #endif } diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c index f303c70..13fe525 100644 --- a/arch/x86/kernel/setup_64.c +++ b/arch/x86/kernel/setup_64.c @@ -562,9 +562,9 @@ static void __cpuinit amd_detect_cmp(struct cpuinfo_x86 *c) bits = c->x86_coreid_bits; /* Low order bits define the core id (index of core in socket) */ - c->cpu_core_id = c->phys_proc_id & ((1 << bits)-1); - /* Convert the APIC ID into the socket ID */ - c->phys_proc_id = (c->apicid - boot_cpu_id) >> bits; + c->cpu_core_id = c->initial_apicid & ((1 << bits)-1); + /* Convert the initial APIC ID into the socket ID */ + c->phys_proc_id = c->initial_apicid >> bits; #ifdef CONFIG_NUMA node = c->phys_proc_id; @@ -581,7 +581,7 @@ static void __cpuinit amd_detect_cmp(struct cpuinfo_x86 *c) If that doesn't result in a usable node fall back to the path for the previous case. */ - int ht_nodeid = apicid - boot_cpu_id; + int ht_nodeid = c->initial_apicid; if (ht_nodeid >= 0 && apicid_to_node[ht_nodeid] != NUMA_NO_NODE) @@ -936,8 +936,9 @@ static void __cpuinit early_identify_cpu(struct cpuinfo_x86 *c) c->x86 = 4; } + c->initial_apicid = (cpuid_ebx(1) >> 24) & 0xff; #ifdef CONFIG_SMP - c->phys_proc_id = (cpuid_ebx(1) >> 24) & 0xff; + c->phys_proc_id = c->initial_apicid; #endif /* AMD-defined flags: level 0x80000001 */ xlvl = cpuid_eax(0x80000000); diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h index 1f9501a..d590da8 100644 --- a/include/asm-x86/processor.h +++ b/include/asm-x86/processor.h @@ -101,6 +101,7 @@ struct cpuinfo_x86 { /* cpuid returned max cores value: */ u16 x86_max_cores; u16 apicid; + u16 initial_apicid; u16 x86_clflush_size; #ifdef CONFIG_SMP /* number of cores as seen by the OS: */ |
