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hv: emulate reset register 0xcf9 and 0x64
- post-launched RTVM: intercept both PIO ports so that hypervisor has a chance to set VM_POWERING_OFF flag. - all other type of VMs: deny these 2 ports from guest access so that guests are not able to reset host. Tracked-On: #2700 Signed-off-by: Zide Chen <zide.chen@intel.com> Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com> Acked-by: Eddie Dong <eddie.dong@intel.com>
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