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(parent: 42b97b5) | patch
x86, amd: Don't probe for extended APIC ID if APICs are disabled
authorJeremy Fitzhardinge <jeremy@goop.org>
Wed, 22 Jul 2009 16:59:35 +0000 (09:59 -0700)
committerH. Peter Anvin <hpa@zytor.com>
Wed, 22 Jul 2009 17:06:49 +0000 (10:06 -0700)
commit2e5fd9d4ea91b33b0e083c6d5a3c6429f305961f
treef7458972c577287ca6aef610e4bd17957fd35c7dtree | snapshot
parent42b97b54dc52dba1214eff1d3b08b5ee1ffed670commit | diff
x86, amd: Don't probe for extended APIC ID if APICs are disabled

If we've logically disabled apics, don't probe the PCI space for the
AMD extended APIC ID.

[ Impact: prevent boot crash under Xen. ]

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Reported-by: Bastian Blank <bastian@waldi.eu.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
arch/x86/kernel/cpu/amd.c diff | blob | history
Linux Kernel Source Tree.