[PATCH 44/79] [PATCH] don't initialize sibling and core maps during preparation

From: Glauber de Oliveira Costa
Date: Wed Mar 19 2008 - 16:03:15 EST


From: Glauber Costa <gcosta@xxxxxxxxxx>

it is redundant, since it is already done by set_cpu_sibling_map()

Signed-off-by: Glauber Costa <gcosta@xxxxxxxxxx>
---
arch/x86/kernel/smpboot_32.c | 12 ------------
1 files changed, 0 insertions(+), 12 deletions(-)

diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c
index a350553..5cae17f 100644
--- a/arch/x86/kernel/smpboot_32.c
+++ b/arch/x86/kernel/smpboot_32.c
@@ -855,18 +855,6 @@ static void __init smp_boot_cpus(unsigned int max_cpus)
++kicked;
}

- /*
- * construct cpu_sibling_map, so that we can tell sibling CPUs
- * efficiently.
- */
- for_each_possible_cpu(cpu) {
- cpus_clear(per_cpu(cpu_sibling_map, cpu));
- cpus_clear(per_cpu(cpu_core_map, cpu));
- }
-
- cpu_set(0, per_cpu(cpu_sibling_map, 0));
- cpu_set(0, per_cpu(cpu_core_map, 0));
-
smpboot_setup_io_apic();

setup_boot_clock();
--
1.5.0.6

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