Kaige Fu a13909cedc HV: Use NMI-window exiting to address req missing issue ... There is a window where we may miss the current request in the notification period when the work flow is as the following: CPUx + + CPUr | | | +--+ | | | Handle pending req | <--+ +--+ | | | Set req flag | <--+ | +------------------>---+ | Send NMI | | Handle NMI | <--+ | | | | | +--> vCPU enter | | + + So, this patch enables the NMI-window exiting to trigger the next vmexit once there is no "virtual-NMI blocking" after vCPU enter into VMX non-root mode. Then we can process the pending request on time. Tracked-On: #3886 Acked-by: Eddie Dong <eddie.dong@intel.com> Signed-off-by: Kaige Fu <kaige.fu@intel.com>		2019-12-17 09:45:52 +08:00
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x86	HV: Use NMI-window exiting to address req missing issue	2019-12-17 09:45:52 +08:00