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KVM: fix MMIO_CONF_BASE MSR access
authorAndre Przywara <andre.przywara@amd.com>
Thu, 2 Jul 2009 13:04:14 +0000 (15:04 +0200)
committerAvi Kivity <avi@redhat.com>
Thu, 10 Sep 2009 05:33:10 +0000 (08:33 +0300)
commitf7c6d140032ae7e80df36d350c6edc41f92b2f94
tree4d69b6bc63e25b2e6599575c7377af71f82ea58dtree | snapshot (tar.gz zip)
parentf691fe1da7e2715137d21ae5a80bec64db4625dbcommit | diff
KVM: fix MMIO_CONF_BASE MSR access

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>
arch/x86/kvm/x86.c diff | blob | blame | history