Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw
[pandora-kernel.git] / arch / x86 / kernel / apic_64.c
index 1e3d32e..446c062 100644 (file)
@@ -54,7 +54,7 @@ EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok);
 /*
  * Debug level, exported for io_apic.c
  */
-int apic_verbosity;
+unsigned int apic_verbosity;
 
 /* Have we found an MP table */
 int smp_found_config;
@@ -90,7 +90,6 @@ static unsigned long apic_phys;
 
 unsigned long mp_lapic_addr;
 
-unsigned int __cpuinitdata maxcpus = NR_CPUS;
 /*
  * Get the LAPIC version
  */
@@ -314,7 +313,7 @@ static void setup_APIC_timer(void)
 
 #define TICK_COUNT 100000000
 
-static void __init calibrate_APIC_clock(void)
+static int __init calibrate_APIC_clock(void)
 {
        unsigned apic, apic_start;
        unsigned long tsc, tsc_start;
@@ -368,6 +367,17 @@ static void __init calibrate_APIC_clock(void)
                clockevent_delta2ns(0xF, &lapic_clockevent);
 
        calibration_result = result / HZ;
+
+       /*
+        * Do a sanity check on the APIC calibration result
+        */
+       if (calibration_result < (1000000 / HZ)) {
+               printk(KERN_WARNING
+                       "APIC frequency too slow, disabling apic timer\n");
+               return -1;
+       }
+
+       return 0;
 }
 
 /*
@@ -394,14 +404,7 @@ void __init setup_boot_APIC_clock(void)
        }
 
        printk(KERN_INFO "Using local APIC timer interrupts.\n");
-       calibrate_APIC_clock();
-
-       /*
-        * Do a sanity check on the APIC calibration result
-        */
-       if (calibration_result < (1000000 / HZ)) {
-               printk(KERN_WARNING
-                      "APIC frequency too slow, disabling apic timer\n");
+       if (calibrate_APIC_clock()) {
                /* No broadcast on UP ! */
                if (num_possible_cpus() > 1)
                        setup_APIC_timer();
@@ -1058,12 +1061,6 @@ void __cpuinit generic_processor_info(int apicid, int version)
                return;
        }
 
-       if (num_processors >= maxcpus) {
-               printk(KERN_WARNING "WARNING: maxcpus limit of %i reached."
-                      " Processor ignored.\n", maxcpus);
-               return;
-       }
-
        num_processors++;
        cpus_complement(tmp_map, cpu_present_map);
        cpu = first_cpu(tmp_map);
@@ -1337,7 +1334,7 @@ early_param("apic", apic_set_verbosity);
 static __init int setup_disableapic(char *str)
 {
        disable_apic = 1;
-       clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
+       setup_clear_cpu_cap(X86_FEATURE_APIC);
        return 0;
 }
 early_param("disableapic", setup_disableapic);