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processor-specific VMCS or VMCB. The pending exception will be delivered right before entering the guest. The order of event injection into the guest is: - hardware exception - NMI - maskable interrupt In the Intel VT-x case, a pending NMI or interrupt will enable the interrupt window-exiting and inject it as soon as possible after the hardware exception is injected. Also since interrupts are inherently asynchronous, injecting them after the hardware exception should not affect correctness from the guest perspective. Rename the unused ioctl VM_INJECT_EVENT to VM_INJECT_EXCEPTION and restrict it to only deliver x86 hardware exceptions. This new ioctl is now used to inject a protection fault when the guest accesses an unimplemented MSR. Discussed with: grehan, jhb Reviewed by: jhb |
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Makefile | ||
vmmapi_freebsd.c | ||
vmmapi.c | ||
vmmapi.h |