diff options
Diffstat (limited to 'arch/x86/kernel/cpu')
-rw-r--r-- | arch/x86/kernel/cpu/amd_64.c | 1 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/centaur_64.c | 10 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/common_64.c | 14 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/intel.c | 4 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/intel_64.c | 10 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce_64.c | 10 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/mcheck/non-fatal.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/mtrr/main.c | 4 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/perfctr-watchdog.c | 4 |
9 files changed, 25 insertions, 34 deletions
diff --git a/arch/x86/kernel/cpu/amd_64.c b/arch/x86/kernel/cpu/amd_64.c index bd182b76..7c36fb8 100644 --- a/arch/x86/kernel/cpu/amd_64.c +++ b/arch/x86/kernel/cpu/amd_64.c @@ -200,6 +200,7 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) * benefit in doing so. */ if (!rdmsrl_safe(MSR_K8_TSEG_ADDR, &tseg)) { + printk(KERN_DEBUG "tseg: %010llx\n", tseg); if ((tseg>>PMD_SHIFT) < (max_low_pfn_mapped>>(PMD_SHIFT-PAGE_SHIFT)) || ((tseg>>PMD_SHIFT) < diff --git a/arch/x86/kernel/cpu/centaur_64.c b/arch/x86/kernel/cpu/centaur_64.c index 2026d21..1d181c4 100644 --- a/arch/x86/kernel/cpu/centaur_64.c +++ b/arch/x86/kernel/cpu/centaur_64.c @@ -16,16 +16,6 @@ static void __cpuinit early_init_centaur(struct cpuinfo_x86 *c) static void __cpuinit init_centaur(struct cpuinfo_x86 *c) { - /* Cache sizes */ - unsigned n; - - n = c->extended_cpuid_level; - if (n >= 0x80000008) { - unsigned eax = cpuid_eax(0x80000008); - c->x86_virt_bits = (eax >> 8) & 0xff; - c->x86_phys_bits = eax & 0xff; - } - if (c->x86 == 0x6 && c->x86_model >= 0xf) { c->x86_cache_alignment = c->x86_clflush_size * 2; set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC); diff --git a/arch/x86/kernel/cpu/common_64.c b/arch/x86/kernel/cpu/common_64.c index e7bf3c2..c6bee77 100644 --- a/arch/x86/kernel/cpu/common_64.c +++ b/arch/x86/kernel/cpu/common_64.c @@ -98,7 +98,7 @@ int __cpuinit get_model_name(struct cpuinfo_x86 *c) void __cpuinit display_cacheinfo(struct cpuinfo_x86 *c) { - unsigned int n, dummy, eax, ebx, ecx, edx; + unsigned int n, dummy, ebx, ecx, edx; n = c->extended_cpuid_level; @@ -121,11 +121,6 @@ void __cpuinit display_cacheinfo(struct cpuinfo_x86 *c) printk(KERN_INFO "CPU: L2 Cache: %dK (%d bytes/line)\n", c->x86_cache_size, ecx & 0xFF); } - if (n >= 0x80000008) { - cpuid(0x80000008, &eax, &dummy, &dummy, &dummy); - c->x86_virt_bits = (eax >> 8) & 0xff; - c->x86_phys_bits = eax & 0xff; - } } void __cpuinit detect_ht(struct cpuinfo_x86 *c) @@ -314,6 +309,13 @@ static void __cpuinit early_identify_cpu(struct cpuinfo_x86 *c) if (c->extended_cpuid_level >= 0x80000007) c->x86_power = cpuid_edx(0x80000007); + if (c->extended_cpuid_level >= 0x80000008) { + u32 eax = cpuid_eax(0x80000008); + + c->x86_virt_bits = (eax >> 8) & 0xff; + c->x86_phys_bits = eax & 0xff; + } + /* Assume all 64-bit CPUs support 32-bit syscall */ set_cpu_cap(c, X86_FEATURE_SYSCALL32); diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index fe9224c..70609ef 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -226,6 +226,10 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c) if (cpu_has_bts) ds_init_intel(c); + +#ifdef CONFIG_X86_NUMAQ + numaq_tsc_disable(); +#endif } static unsigned int __cpuinit intel_size_cache(struct cpuinfo_x86 *c, unsigned int size) diff --git a/arch/x86/kernel/cpu/intel_64.c b/arch/x86/kernel/cpu/intel_64.c index 02f7733..1019c58 100644 --- a/arch/x86/kernel/cpu/intel_64.c +++ b/arch/x86/kernel/cpu/intel_64.c @@ -54,9 +54,6 @@ static void __cpuinit srat_detect_node(void) static void __cpuinit init_intel(struct cpuinfo_x86 *c) { - /* Cache sizes */ - unsigned n; - init_intel_cacheinfo(c); if (c->cpuid_level > 9) { unsigned eax = cpuid_eax(10); @@ -78,13 +75,6 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c) if (cpu_has_bts) ds_init_intel(c); - n = c->extended_cpuid_level; - if (n >= 0x80000008) { - unsigned eax = cpuid_eax(0x80000008); - c->x86_virt_bits = (eax >> 8) & 0xff; - c->x86_phys_bits = eax & 0xff; - } - if (c->x86 == 15) c->x86_cache_alignment = c->x86_clflush_size * 2; if (c->x86 == 6) diff --git a/arch/x86/kernel/cpu/mcheck/mce_64.c b/arch/x86/kernel/cpu/mcheck/mce_64.c index 501ca1c..c4a7ec3 100644 --- a/arch/x86/kernel/cpu/mcheck/mce_64.c +++ b/arch/x86/kernel/cpu/mcheck/mce_64.c @@ -9,6 +9,7 @@ #include <linux/types.h> #include <linux/kernel.h> #include <linux/sched.h> +#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/rcupdate.h> #include <linux/kallsyms.h> @@ -363,7 +364,7 @@ static void mcheck_check_cpu(void *info) static void mcheck_timer(struct work_struct *work) { - on_each_cpu(mcheck_check_cpu, NULL, 1, 1); + on_each_cpu(mcheck_check_cpu, NULL, 1); /* * Alert userspace if needed. If we logged an MCE, reduce the @@ -532,10 +533,12 @@ static int open_exclu; /* already open exclusive? */ static int mce_open(struct inode *inode, struct file *file) { + lock_kernel(); spin_lock(&mce_state_lock); if (open_exclu || (open_count && (file->f_flags & O_EXCL))) { spin_unlock(&mce_state_lock); + unlock_kernel(); return -EBUSY; } @@ -544,6 +547,7 @@ static int mce_open(struct inode *inode, struct file *file) open_count++; spin_unlock(&mce_state_lock); + unlock_kernel(); return nonseekable_open(inode, file); } @@ -617,7 +621,7 @@ static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize, * Collect entries that were still getting written before the * synchronize. */ - on_each_cpu(collect_tscs, cpu_tsc, 1, 1); + on_each_cpu(collect_tscs, cpu_tsc, 1); for (i = next; i < MCE_LOG_LEN; i++) { if (mcelog.entry[i].finished && mcelog.entry[i].tsc < cpu_tsc[mcelog.entry[i].cpu]) { @@ -742,7 +746,7 @@ static void mce_restart(void) if (next_interval) cancel_delayed_work(&mcheck_work); /* Timer race is harmless here */ - on_each_cpu(mce_init, NULL, 1, 1); + on_each_cpu(mce_init, NULL, 1); next_interval = check_interval * HZ; if (next_interval) schedule_delayed_work(&mcheck_work, diff --git a/arch/x86/kernel/cpu/mcheck/non-fatal.c b/arch/x86/kernel/cpu/mcheck/non-fatal.c index 00ccb6c..cc1fccd 100644 --- a/arch/x86/kernel/cpu/mcheck/non-fatal.c +++ b/arch/x86/kernel/cpu/mcheck/non-fatal.c @@ -59,7 +59,7 @@ static DECLARE_DELAYED_WORK(mce_work, mce_work_fn); static void mce_work_fn(struct work_struct *work) { - on_each_cpu(mce_checkregs, NULL, 1, 1); + on_each_cpu(mce_checkregs, NULL, 1); schedule_delayed_work(&mce_work, round_jiffies_relative(MCE_RATE)); } diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c index 105afe1..6f23969 100644 --- a/arch/x86/kernel/cpu/mtrr/main.c +++ b/arch/x86/kernel/cpu/mtrr/main.c @@ -223,7 +223,7 @@ static void set_mtrr(unsigned int reg, unsigned long base, atomic_set(&data.gate,0); /* Start the ball rolling on other CPUs */ - if (smp_call_function(ipi_handler, &data, 1, 0) != 0) + if (smp_call_function(ipi_handler, &data, 0) != 0) panic("mtrr: timed out waiting for other CPUs\n"); local_irq_save(flags); @@ -1682,7 +1682,7 @@ void mtrr_ap_init(void) */ void mtrr_save_state(void) { - smp_call_function_single(0, mtrr_save_fixed_ranges, NULL, 1, 1); + smp_call_function_single(0, mtrr_save_fixed_ranges, NULL, 1); } static int __init mtrr_init_finialize(void) diff --git a/arch/x86/kernel/cpu/perfctr-watchdog.c b/arch/x86/kernel/cpu/perfctr-watchdog.c index 2e9bef6..6d4bdc0 100644 --- a/arch/x86/kernel/cpu/perfctr-watchdog.c +++ b/arch/x86/kernel/cpu/perfctr-watchdog.c @@ -189,7 +189,7 @@ void disable_lapic_nmi_watchdog(void) if (atomic_read(&nmi_active) <= 0) return; - on_each_cpu(stop_apic_nmi_watchdog, NULL, 0, 1); + on_each_cpu(stop_apic_nmi_watchdog, NULL, 1); if (wd_ops) wd_ops->unreserve(); @@ -213,7 +213,7 @@ void enable_lapic_nmi_watchdog(void) return; } - on_each_cpu(setup_apic_nmi_watchdog, NULL, 0, 1); + on_each_cpu(setup_apic_nmi_watchdog, NULL, 1); touch_nmi_watchdog(); } |