Merge branch 'x86/urgent' into x86/core

5 files changed, 15 insertions, 12 deletions

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index c12823eb55b5..160b3ab11e7a 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -837,7 +837,7 @@ void clear_local_APIC(void)
         }
 
         /* lets not touch this if we didn't frob it */
-#if defined(CONFIG_X86_MCE_P4THERMAL) || defined(X86_MCE_INTEL)
+#if defined(CONFIG_X86_MCE_P4THERMAL) || defined(CONFIG_X86_MCE_INTEL)
         if (maxlvt >= 5) {
                 v = apic_read(APIC_LVTTHMR);
                 apic_write(APIC_LVTTHMR, v | APIC_LVT_MASKED);
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index fb039cd345d8..6428aa17b40e 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -1157,8 +1157,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
         data->cpu = pol->cpu;
         data->currpstate = HW_PSTATE_INVALID;
 
-        rc = powernow_k8_cpu_init_acpi(data);
-        if (rc) {
+        if (powernow_k8_cpu_init_acpi(data)) {
                 /*
                  * Use the PSB BIOS structure. This is only availabe on
                  * an UP version, and is deprecated by AMD.
@@ -1176,17 +1175,20 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
                                "ACPI maintainers and complain to your BIOS "
                                "vendor.\n");
 #endif
-                        goto err_out;
+                        kfree(data);
+                        return -ENODEV;
                 }
                 if (pol->cpu != 0) {
                         printk(KERN_ERR FW_BUG PFX "No ACPI _PSS objects for "
                                "CPU other than CPU0. Complain to your BIOS "
                                "vendor.\n");
-                        goto err_out;
+                        kfree(data);
+                        return -ENODEV;
                 }
                 rc = find_psb_table(data);
                 if (rc) {
-                        goto err_out;
+                        kfree(data);
+                        return -ENODEV;
                 }
                 /* Take a crude guess here.
                  * That guess was in microseconds, so multiply with 1000 */
diff --git a/arch/x86/kernel/cpu/mcheck/mce_64.c b/arch/x86/kernel/cpu/mcheck/mce_64.c
index 1c838032fd37..25cf624eccb7 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_64.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_64.c
@@ -295,11 +295,11 @@ void do_machine_check(struct pt_regs * regs, long error_code)
                  * If we know that the error was in user space, send a
                  * SIGBUS.  Otherwise, panic if tolerance is low.
                  *
-                 * do_exit() takes an awful lot of locks and has a slight
+                 * force_sig() takes an awful lot of locks and has a slight
                  * risk of deadlocking.
                  */
                 if (user_space) {
-                        do_exit(SIGBUS);
+                        force_sig(SIGBUS, current);
                 } else if (panic_on_oops || tolerant < 2) {
                         mce_panic("Uncorrected machine check",
                                 &panicm, mcestart);
@@ -734,6 +734,7 @@ __setup("mce=", mcheck_enable);
 static int mce_resume(struct sys_device *dev)
 {
         mce_init(NULL);
+        mce_cpu_features(&current_cpu_data);
         return 0;
 }
 
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index fec79ad85dc6..646da41a620a 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -111,9 +111,6 @@ void cpu_idle(void)
                         check_pgt_cache();
                         rmb();
 
-                        if (rcu_pending(cpu))
-                                rcu_check_callbacks(cpu, 0);
-
                         if (cpu_is_offline(cpu))
                                 play_dead();
 
diff --git a/arch/x86/kernel/vmiclock_32.c b/arch/x86/kernel/vmiclock_32.c
index a4791ef412d1..9cd28c04952a 100644
--- a/arch/x86/kernel/vmiclock_32.c
+++ b/arch/x86/kernel/vmiclock_32.c
@@ -283,10 +283,13 @@ void __devinit vmi_time_ap_init(void)
 #endif
 
 /** vmi clocksource */
+static struct clocksource clocksource_vmi;
 
 static cycle_t read_real_cycles(void)
 {
-        return vmi_timer_ops.get_cycle_counter(VMI_CYCLES_REAL);
+        cycle_t ret = (cycle_t)vmi_timer_ops.get_cycle_counter(VMI_CYCLES_REAL);
+        return ret >= clocksource_vmi.cycle_last ?
+                ret : clocksource_vmi.cycle_last;
 }
 
 static struct clocksource clocksource_vmi = {