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Diffstat (limited to 'arch/x86/kernel/apic.c')
-rw-r--r--arch/x86/kernel/apic.c24
1 files changed, 16 insertions, 8 deletions
diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
index b13d3c4dbd42..4b6df2469fe3 100644
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@ -31,9 +31,11 @@
#include <linux/dmi.h>
#include <linux/dmar.h>
#include <linux/ftrace.h>
+#include <linux/smp.h>
+#include <linux/nmi.h>
+#include <linux/timex.h>
#include <asm/atomic.h>
-#include <asm/smp.h>
#include <asm/mtrr.h>
#include <asm/mpspec.h>
#include <asm/desc.h>
@@ -41,12 +43,11 @@
#include <asm/hpet.h>
#include <asm/pgalloc.h>
#include <asm/i8253.h>
-#include <asm/nmi.h>
#include <asm/idle.h>
#include <asm/proto.h>
-#include <asm/timex.h>
#include <asm/apic.h>
#include <asm/i8259.h>
+#include <asm/smp.h>
#include <mach_apic.h>
#include <mach_apicdef.h>
@@ -687,7 +688,7 @@ static int __init calibrate_APIC_clock(void)
local_irq_enable();
if (levt->features & CLOCK_EVT_FEAT_DUMMY) {
- pr_warning("APIC timer disabled due to verification failure.\n");
+ pr_warning("APIC timer disabled due to verification failure\n");
return -1;
}
@@ -894,6 +895,10 @@ void disable_local_APIC(void)
{
unsigned int value;
+ /* APIC hasn't been mapped yet */
+ if (!apic_phys)
+ return;
+
clear_local_APIC();
/*
@@ -1832,6 +1837,11 @@ void __cpuinit generic_processor_info(int apicid, int version)
num_processors++;
cpu = cpumask_next_zero(-1, cpu_present_mask);
+ if (version != apic_version[boot_cpu_physical_apicid])
+ WARN_ONCE(1,
+ "ACPI: apic version mismatch, bootcpu: %x cpu %d: %x\n",
+ apic_version[boot_cpu_physical_apicid], cpu, version);
+
physid_set(apicid, phys_cpu_present_map);
if (apicid == boot_cpu_physical_apicid) {
/*
@@ -2087,14 +2097,12 @@ __cpuinit int apic_is_clustered_box(void)
/* are we being called early in kernel startup? */
if (bios_cpu_apicid) {
id = bios_cpu_apicid[i];
- }
- else if (i < nr_cpu_ids) {
+ } else if (i < nr_cpu_ids) {
if (cpu_present(i))
id = per_cpu(x86_bios_cpu_apicid, i);
else
continue;
- }
- else
+ } else
break;
if (id != BAD_APICID)