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-rw-r--r--arch/x86/include/asm/apic.h2
-rw-r--r--arch/x86/kernel/apic/bigsmp_32.c20
-rw-r--r--arch/x86/kernel/apic/probe_32.c10
3 files changed, 19 insertions, 13 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 4a0b7c7e2cce..244ac77eee8d 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -495,7 +495,7 @@ static inline void default_wait_for_init_deassert(atomic_t *deassert)
return;
}
-extern struct apic *generic_bigsmp_probe(void);
+extern void generic_bigsmp_probe(void);
#ifdef CONFIG_X86_LOCAL_APIC
diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c
index efd737e827f4..521bead01137 100644
--- a/arch/x86/kernel/apic/bigsmp_32.c
+++ b/arch/x86/kernel/apic/bigsmp_32.c
@@ -255,12 +255,24 @@ static struct apic apic_bigsmp = {
.x86_32_early_logical_apicid = bigsmp_early_logical_apicid,
};
-struct apic * __init generic_bigsmp_probe(void)
+void __init generic_bigsmp_probe(void)
{
- if (probe_bigsmp())
- return &apic_bigsmp;
+ unsigned int cpu;
- return NULL;
+ if (!probe_bigsmp())
+ return;
+
+ apic = &apic_bigsmp;
+
+ for_each_possible_cpu(cpu) {
+ if (early_per_cpu(x86_cpu_to_logical_apicid,
+ cpu) == BAD_APICID)
+ continue;
+ early_per_cpu(x86_cpu_to_logical_apicid, cpu) =
+ bigsmp_early_logical_apicid(cpu);
+ }
+
+ pr_info("Overriding APIC driver with %s\n", apic_bigsmp.name);
}
apic_driver(apic_bigsmp);
diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c
index b5254ad044ab..0787bb3412f4 100644
--- a/arch/x86/kernel/apic/probe_32.c
+++ b/arch/x86/kernel/apic/probe_32.c
@@ -200,14 +200,8 @@ void __init default_setup_apic_routing(void)
* - we find more than 8 CPUs in acpi LAPIC listing with xAPIC support
*/
- if (!cmdline_apic && apic == &apic_default) {
- struct apic *bigsmp = generic_bigsmp_probe();
- if (bigsmp) {
- apic = bigsmp;
- printk(KERN_INFO "Overriding APIC driver with %s\n",
- apic->name);
- }
- }
+ if (!cmdline_apic && apic == &apic_default)
+ generic_bigsmp_probe();
#endif
if (apic->setup_apic_routing)