x86_64: not set boot cpu in cpu_present_map again

PATCH Applied Yinghai Lu 2 participants 2 messages Jan 28, 2008 x86

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Yinghai Lu

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2008-01-28 02:21 UTC #0 lore raw

PATCH 1/1 x86_64: not set boot cpu in cpu_present_map again

[PATCH] x86_64: not set boot cpu in cpu_present_map again

in init/main.c boot_cpu_init() already does that before setup_arch

Signed-off-by Yinghai Lu <[email protected]>

arch/x86/kernel/setup_64.c +0 -6

Index: linux-2.6/arch/x86/kernel/setup_64.c
===================================================================
@@ -446,12 +446,6 @@ void __init setup_arch(char **cmdline_p)
 
 	early_quirks();
 
-	/*
-	 * set this early, so we dont allocate cpu0
-	 * if MADT list doesnt list BSP first
-	 * mpparse.c/MP_processor_info() allocates logical cpu numbers.
-	 */
-	cpu_set(0, cpu_present_map);
 #ifdef CONFIG_ACPI
 	/*
 	 * Read APIC and some other early information from ACPI tables.

Ingo Molnar

Applied

2008-01-28 12:40 UTC #1 lore raw

Quoted 3 lines · Yinghai Lu

[PATCH] x86_64: not set boot cpu in cpu_present_map again
in init/main.c boot_cpu_init() already does that before setup_arch

thanks, applied.

Ingo