2008-01-28 02:21:33

by Yinghai Lu

Subject: [PATCH] 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]>

Index: linux-2.6/arch/x86/kernel/setup_64.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/setup_64.c
+++ 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.

2008-01-28 12:40:49

by Ingo Molnar

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

* Yinghai Lu <[email protected]> wrote:

> [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