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Commit e0051647 authored by Babu Moger's avatar Babu Moger Committed by Eduardo Habkost
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i386: Enable TOPOEXT feature on AMD EPYC CPU



Enable TOPOEXT feature on EPYC CPU. This is required to support
hyperthreading on VM guests. Also extend xlevel to 0x8000001E.

Disable topoext on PC_COMPAT_2_12 and keep xlevel 0x8000000a.

Signed-off-by: default avatarBabu Moger <babu.moger@amd.com>
Message-Id: <1529443919-67509-3-git-send-email-babu.moger@amd.com>
[ehabkost: Added EPYC-IBPB.xlevel to PC_COMPAT_2_12]
Signed-off-by: default avatarEduardo Habkost <ehabkost@redhat.com>
parent 631be321
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