diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/cpu/proc.c | 36 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/proc_64.c | 49 |
2 files changed, 83 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/proc.c b/arch/x86/kernel/cpu/proc.c index fd3823a18c0..15043a335ef 100644 --- a/arch/x86/kernel/cpu/proc.c +++ b/arch/x86/kernel/cpu/proc.c @@ -8,6 +8,7 @@ /* * Get CPU information for use by the procfs. */ +#ifdef CONFIG_X86_32 static void show_cpuinfo_core(struct seq_file *m, struct cpuinfo_x86 *c, unsigned int cpu) { @@ -47,6 +48,31 @@ static void show_cpuinfo_misc(struct seq_file *m, struct cpuinfo_x86 *c) c->cpuid_level, c->wp_works_ok ? "yes" : "no"); } +#else +static void show_cpuinfo_core(struct seq_file *m, struct cpuinfo_x86 *c, + unsigned int cpu) +{ +#ifdef CONFIG_SMP + if (c->x86_max_cores * smp_num_siblings > 1) { + seq_printf(m, "physical id\t: %d\n", c->phys_proc_id); + seq_printf(m, "siblings\t: %d\n", + 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); + } +#endif +} + +static void show_cpuinfo_misc(struct seq_file *m, struct cpuinfo_x86 *c) +{ + seq_printf(m, + "fpu\t\t: yes\n" + "fpu_exception\t: yes\n" + "cpuid level\t: %d\n" + "wp\t\t: yes\n", + c->cpuid_level); +} +#endif static int show_cpuinfo(struct seq_file *m, void *v) { @@ -97,7 +123,17 @@ static int show_cpuinfo(struct seq_file *m, void *v) seq_printf(m, "\nbogomips\t: %lu.%02lu\n", c->loops_per_jiffy/(500000/HZ), (c->loops_per_jiffy/(5000/HZ)) % 100); + +#ifdef CONFIG_X86_64 + if (c->x86_tlbsize > 0) + seq_printf(m, "TLB size\t: %d 4K pages\n", c->x86_tlbsize); +#endif seq_printf(m, "clflush size\t: %u\n", c->x86_clflush_size); +#ifdef CONFIG_X86_64 + seq_printf(m, "cache_alignment\t: %d\n", c->x86_cache_alignment); + seq_printf(m, "address sizes\t: %u bits physical, %u bits virtual\n", + c->x86_phys_bits, c->x86_virt_bits); +#endif seq_printf(m, "power management:"); for (i = 0; i < 32; i++) { diff --git a/arch/x86/kernel/cpu/proc_64.c b/arch/x86/kernel/cpu/proc_64.c index ce1b08f9682..15043a335ef 100644 --- a/arch/x86/kernel/cpu/proc_64.c +++ b/arch/x86/kernel/cpu/proc_64.c @@ -8,6 +8,47 @@ /* * Get CPU information for use by the procfs. */ +#ifdef CONFIG_X86_32 +static void show_cpuinfo_core(struct seq_file *m, struct cpuinfo_x86 *c, + unsigned int cpu) +{ +#ifdef CONFIG_X86_HT + if (c->x86_max_cores * smp_num_siblings > 1) { + seq_printf(m, "physical id\t: %d\n", c->phys_proc_id); + seq_printf(m, "siblings\t: %d\n", + 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); + } +#endif +} + +static void show_cpuinfo_misc(struct seq_file *m, struct cpuinfo_x86 *c) +{ + /* + * We use exception 16 if we have hardware math and we've either seen + * it or the CPU claims it is internal + */ + int fpu_exception = c->hard_math && (ignore_fpu_irq || cpu_has_fpu); + seq_printf(m, + "fdiv_bug\t: %s\n" + "hlt_bug\t\t: %s\n" + "f00f_bug\t: %s\n" + "coma_bug\t: %s\n" + "fpu\t\t: %s\n" + "fpu_exception\t: %s\n" + "cpuid level\t: %d\n" + "wp\t\t: %s\n", + c->fdiv_bug ? "yes" : "no", + c->hlt_works_ok ? "no" : "yes", + c->f00f_bug ? "yes" : "no", + c->coma_bug ? "yes" : "no", + c->hard_math ? "yes" : "no", + fpu_exception ? "yes" : "no", + c->cpuid_level, + c->wp_works_ok ? "yes" : "no"); +} +#else static void show_cpuinfo_core(struct seq_file *m, struct cpuinfo_x86 *c, unsigned int cpu) { @@ -31,6 +72,7 @@ static void show_cpuinfo_misc(struct seq_file *m, struct cpuinfo_x86 *c) "wp\t\t: yes\n", c->cpuid_level); } +#endif static int show_cpuinfo(struct seq_file *m, void *v) { @@ -82,13 +124,16 @@ static int show_cpuinfo(struct seq_file *m, void *v) c->loops_per_jiffy/(500000/HZ), (c->loops_per_jiffy/(5000/HZ)) % 100); +#ifdef CONFIG_X86_64 if (c->x86_tlbsize > 0) seq_printf(m, "TLB size\t: %d 4K pages\n", c->x86_tlbsize); - seq_printf(m, "clflush size\t: %d\n", c->x86_clflush_size); +#endif + seq_printf(m, "clflush size\t: %u\n", c->x86_clflush_size); +#ifdef CONFIG_X86_64 seq_printf(m, "cache_alignment\t: %d\n", c->x86_cache_alignment); - seq_printf(m, "address sizes\t: %u bits physical, %u bits virtual\n", c->x86_phys_bits, c->x86_virt_bits); +#endif seq_printf(m, "power management:"); for (i = 0; i < 32; i++) { |