Merge branch 'x86/mpparse' into x86/devel

[linux-block.git] / arch / x86 / kernel / apic_32.c

diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index a99398f712343bcc2b8740d2ec94321b2ba3ea5e..570c362eca8cda02741c5a2217ca7b34afa3dcb7 100644 (file)
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -52,9 +52,6 @@
 
 unsigned long mp_lapic_addr;
 
-/* Processor that is doing the boot up */
-unsigned int boot_cpu_physical_apicid = -1U;
-
 DEFINE_PER_CPU(u16, x86_bios_cpu_apicid) = BAD_APICID;
 EXPORT_PER_CPU_SYMBOL(x86_bios_cpu_apicid);
 
@@ -67,18 +64,26 @@ static int enable_local_apic __initdata;
 
 /* Local APIC timer verification ok */
 static int local_apic_timer_verify_ok;
-/* Disable local APIC timer from the kernel commandline or via dmi quirk
-   or using CPU MSR check */
-int local_apic_timer_disabled;
+/* Disable local APIC timer from the kernel commandline or via dmi quirk */
+static int local_apic_timer_disabled;
 /* Local APIC timer works in C2 */
 int local_apic_timer_c2_ok;
 EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok);
 
+int first_system_vector = 0xfe;
+
+char system_vectors[NR_VECTORS] = { [0 ... NR_VECTORS-1] = SYS_VECTOR_FREE};
+
 /*
  * Debug level, exported for io_apic.c
  */
 int apic_verbosity;
 
+int pic_mode;
+
+/* Have we found an MP table */
+int smp_found_config;
+
 static unsigned int calibration_result;
 
 static int lapic_next_event(unsigned long delta,
@@ -454,7 +459,8 @@ void __init setup_boot_APIC_clock(void)
        }
 
        /* Calculate the scaled math multiplication factor */
-       lapic_clockevent.mult = div_sc(delta, TICK_NSEC * LAPIC_CAL_LOOPS, 32);
+       lapic_clockevent.mult = div_sc(delta, TICK_NSEC * LAPIC_CAL_LOOPS,
+                                      lapic_clockevent.shift);
        lapic_clockevent.max_delta_ns =
                clockevent_delta2ns(0x7FFFFF, &lapic_clockevent);
        lapic_clockevent.min_delta_ns =
@@ -905,7 +911,7 @@ void __init init_bsp_APIC(void)
        apic_write_around(APIC_LVT1, value);
 }
 
-void __cpuinit lapic_setup_esr(void)
+static void __cpuinit lapic_setup_esr(void)
 {
        unsigned long oldvalue, value, maxlvt;
        if (lapic_is_integrated() && !esr_disable) {
@@ -1156,9 +1162,6 @@ static int __init detect_init_APIC(void)
        if (l & MSR_IA32_APICBASE_ENABLE)
                mp_lapic_addr = l & MSR_IA32_APICBASE_BASE;
 
-       if (nmi_watchdog != NMI_NONE && nmi_watchdog != NMI_DISABLED)
-               nmi_watchdog = NMI_LOCAL_APIC;
-
        printk(KERN_INFO "Found and enabled local APIC!\n");
 
        apic_pm_activate();
@@ -1195,7 +1198,7 @@ void __init init_apic_mappings(void)
         * default configuration (or the MP table is broken).
         */
        if (boot_cpu_physical_apicid == -1U)
-               boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID));
+               boot_cpu_physical_apicid = GET_APIC_ID(read_apic_id());
 
 #ifdef CONFIG_X86_IO_APIC
        {
@@ -1204,7 +1207,7 @@ void __init init_apic_mappings(void)
 
                for (i = 0; i < nr_ioapics; i++) {
                        if (smp_found_config) {
-                               ioapic_phys = mp_ioapics[i].mpc_apicaddr;
+                               ioapic_phys = mp_ioapics[i].mp_apicaddr;
                                if (!ioapic_phys) {
                                        printk(KERN_ERR
                                               "WARNING: bogus zero IO-APIC "
@@ -1265,12 +1268,16 @@ int __init APIC_init_uniprocessor(void)
         * might be zero if read from MP tables. Get it from LAPIC.
         */
 #ifdef CONFIG_CRASH_DUMP
-       boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID));
+       boot_cpu_physical_apicid = GET_APIC_ID(read_apic_id());
 #endif
        phys_cpu_present_map = physid_mask_of_physid(boot_cpu_physical_apicid);
 
        setup_local_APIC();
 
+#ifdef CONFIG_X86_IO_APIC
+       if (!smp_found_config || skip_ioapic_setup || !nr_ioapics)
+#endif
+               localise_nmi_watchdog();
        end_local_APIC_setup();
 #ifdef CONFIG_X86_IO_APIC
        if (smp_found_config)
@@ -1353,13 +1360,13 @@ void __init smp_intr_init(void)
         * The reschedule interrupt is a CPU-to-CPU reschedule-helper
         * IPI, driven by wakeup.
         */
-       set_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt);
+       alloc_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt);
 
        /* IPI for invalidation */
-       set_intr_gate(INVALIDATE_TLB_VECTOR, invalidate_interrupt);
+       alloc_intr_gate(INVALIDATE_TLB_VECTOR, invalidate_interrupt);
 
        /* IPI for generic function call */
-       set_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt);
+       alloc_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt);
 }
 #endif
 
@@ -1372,15 +1379,15 @@ void __init apic_intr_init(void)
        smp_intr_init();
 #endif
        /* self generated IPI for local APIC timer */
-       set_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt);
+       alloc_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt);
 
        /* IPI vectors for APIC spurious and error interrupts */
-       set_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt);
-       set_intr_gate(ERROR_APIC_VECTOR, error_interrupt);
+       alloc_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt);
+       alloc_intr_gate(ERROR_APIC_VECTOR, error_interrupt);
 
        /* thermal monitor LVT interrupt */
 #ifdef CONFIG_X86_MCE_P4THERMAL
-       set_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt);
+       alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt);
 #endif
 }
 
@@ -1515,6 +1522,9 @@ void __cpuinit generic_processor_info(int apicid, int version)
                 */
                cpu = 0;
 
+       if (apicid > max_physical_apicid)
+               max_physical_apicid = apicid;
+
        /*
         * Would be preferable to switch to bigsmp when CONFIG_HOTPLUG_CPU=y
         * but we need to work other dependencies like SMP_SUSPEND etc
@@ -1522,7 +1532,7 @@ void __cpuinit generic_processor_info(int apicid, int version)
         * if (CPU_HOTPLUG_ENABLED || num_processors > 8)
         *       - Ashok Raj <ashok.raj@intel.com>
         */
-       if (num_processors > 8) {
+       if (max_physical_apicid >= 8) {
                switch (boot_cpu_data.x86_vendor) {
                case X86_VENDOR_INTEL:
                        if (!APIC_XAPIC(version)) {