KVM: fix MMIO_CONF_BASE MSR access

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Some Windows versions check whether the BIOS has setup MMI/O for
config space accesses on AMD Fam10h CPUs, we say "no" by returning 0 on
reads and only allow disabling of MMI/O CfgSpace setup by igoring "0" writes.

Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

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Andre Przywara 2009-07-02 15:04:14 +02:00 • committed by Avi Kivity

parent f691fe1da7

commit f7c6d14003

1 changed files with 8 additions and 0 deletions

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arch/x86/kvm/x86.c

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