From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Wed, 3 Sep 2008 23:58:31 +0000 (-0700)
Subject: x2apic: fix reserved APIC register accesses in print_local_APIC()
X-Git-Tag: v2.6.28-rc1~80^2~68
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a11b5abef50722e42a7d13f6b799c4f606fcb797;p=pandora-kernel.git

x2apic: fix reserved APIC register accesses in print_local_APIC()

APIC_ARBPRI is a reserved register for XAPIC and beyond.
APIC_RRR is a reserved register except for 82489DX, APIC for Pentium processors.
APIC_EOI is a write only register.
APIC_DFR is reserved in x2apic mode.

Access to these registers in x2apic will result in #GP fault. Fix these
apic register accesses.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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