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Subject[PATCH 68/79] [PATCH] use physical id when disabling smp
Date
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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