| From | Glauber de Oliveira Costa <> | Subject | [PATCH 68/79] [PATCH] use physical id when disabling smp | Date | Wed, 19 Mar 2008 14:26:03 -0300 |
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From: Glauber Costa <gcosta@redhat.com>
if smp configuration is not found at all, hook into 0. This is done to match x86_64
Signed-off-by: Glauber Costa <gcosta@redhat.com> --- arch/x86/kernel/smpboot_32.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c index 75fb506..14db038 100644 --- a/arch/x86/kernel/smpboot_32.c +++ b/arch/x86/kernel/smpboot_32.c @@ -106,7 +106,11 @@ static void __init disable_smp(void) cpu_possible_map = cpumask_of_cpu(0); cpu_present_map = cpumask_of_cpu(0); smpboot_clear_io_apic_irqs(); - phys_cpu_present_map = physid_mask_of_physid(0); + if (smp_found_config) + phys_cpu_present_map = + physid_mask_of_physid(boot_cpu_physical_apicid); + else + phys_cpu_present_map = physid_mask_of_physid(0); map_cpu_to_logical_apicid(); cpu_set(0, per_cpu(cpu_sibling_map, 0)); cpu_set(0, per_cpu(cpu_core_map, 0)); -- 1.5.0.6
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