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Diffstat (limited to 'arch/x86/kernel/mpparse.c')
-rw-r--r--arch/x86/kernel/mpparse.c25
1 files changed, 11 insertions, 14 deletions
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 0f4c1fd5a1f4..45e3b69808ba 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -586,26 +586,23 @@ static void __init __get_smp_config(unsigned int early)
586{ 586{
587 struct intel_mp_floating *mpf = mpf_found; 587 struct intel_mp_floating *mpf = mpf_found;
588 588
589 if (x86_quirks->mach_get_smp_config) { 589 if (!mpf)
590 if (x86_quirks->mach_get_smp_config(early)) 590 return;
591 return; 591
592 }
593 if (acpi_lapic && early) 592 if (acpi_lapic && early)
594 return; 593 return;
594
595 /* 595 /*
596 * ACPI supports both logical (e.g. Hyper-Threading) and physical 596 * MPS doesn't support hyperthreading, aka only have
597 * processors, where MPS only supports physical. 597 * thread 0 apic id in MPS table
598 */ 598 */
599 if (acpi_lapic && acpi_ioapic) { 599 if (acpi_lapic && acpi_ioapic)
600 printk(KERN_INFO "Using ACPI (MADT) for SMP configuration "
601 "information\n");
602 return; 600 return;
603 } else if (acpi_lapic)
604 printk(KERN_INFO "Using ACPI for processor (LAPIC) "
605 "configuration information\n");
606 601
607 if (!mpf) 602 if (x86_quirks->mach_get_smp_config) {
608 return; 603 if (x86_quirks->mach_get_smp_config(early))
604 return;
605 }
609 606
610 printk(KERN_INFO "Intel MultiProcessor Specification v1.%d\n", 607 printk(KERN_INFO "Intel MultiProcessor Specification v1.%d\n",
611 mpf->mpf_specification); 608 mpf->mpf_specification);