From: Ingo Molnar <mingo@elte.hu>
Date: Mon, 26 Nov 2007 19:42:20 +0000 (+0100)
Subject: x86: fix APIC related bootup crash on Athlon XP CPUs
X-Git-Tag: v2.6.24-rc4~94^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f44d9efd3510776216938fef84adc99cc0e12412;p=pandora-kernel.git

x86: fix APIC related bootup crash on Athlon XP CPUs

warmbloodedcreature@gmail.com reported that an APIC-enabled
Asus a7v8x-x with an Athlon XP reboots early in the bootup:

   http://bugzilla.kernel.org/show_bug.cgi?id=8723

after a long marathon of spontaneous-reboot debugging, it turns
out to be caused by sync_Arb_ids(). AMD CPUs never really needed
this sequence anyway, so just return early if we meet an AMD CPU.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

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