diff options
| author | Rusty Russell <rusty@rustcorp.com.au> | 2008-12-13 21:55:51 +1030 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-12-13 21:55:51 +1030 |
| commit | 968ea6d80e395cf11a51143cfa1b9a14ada676df (patch) | |
| tree | dc2acec8c9bdced33afe1e273ee5e0b0b93d2703 /arch/x86/kernel/mpparse.c | |
| parent | 7be7585393d311866653564fbcd10a3232773c0b (diff) | |
| parent | 8299608f140ae321e4eb5d1306184265d2b9511e (diff) | |
Merge ../linux-2.6-x86
Conflicts:
arch/x86/kernel/io_apic.c
kernel/sched.c
kernel/sched_stats.h
Diffstat (limited to 'arch/x86/kernel/mpparse.c')
| -rw-r--r-- | arch/x86/kernel/mpparse.c | 25 |
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) { struct intel_mp_floating *mpf = mpf_found; - if (x86_quirks->mach_get_smp_config) { - if (x86_quirks->mach_get_smp_config(early)) - return; - } + if (!mpf) + return; + if (acpi_lapic && early) return; + /* - * ACPI supports both logical (e.g. Hyper-Threading) and physical - * processors, where MPS only supports physical. + * MPS doesn't support hyperthreading, aka only have + * thread 0 apic id in MPS table */ - if (acpi_lapic && acpi_ioapic) { - printk(KERN_INFO "Using ACPI (MADT) for SMP configuration " - "information\n"); + if (acpi_lapic && acpi_ioapic) return; - } else if (acpi_lapic) - printk(KERN_INFO "Using ACPI for processor (LAPIC) " - "configuration information\n"); - if (!mpf) - return; + if (x86_quirks->mach_get_smp_config) { + if (x86_quirks->mach_get_smp_config(early)) + return; + } printk(KERN_INFO "Intel MultiProcessor Specification v1.%d\n", mpf->mpf_specification); |