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 bd182b7616ee..7c36fb8a28d4 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 2026d2119cdb..1d181c40e2e1 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 e7bf3c2dc5fe..c6bee77ca9e6 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 fe9224c51d37..70609efdf1da 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 02f773399e39..1019c58d39f0 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 501ca1cea27d..c4a7ec31394c 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 00ccb6c14ec2..cc1fccdd31e0 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 105afe12beb0..6f23969c8faf 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 2e9bef6e3aa3..6d4bdc02388a 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();
 }