Files
acrn-hypervisor/hypervisor/arch/x86
Zide Chen f801ba4ed7 hv: update guest RIP only if vcpu->arch.inst_len is non zero
In very large number of VM extis, the VM-exit instruction length could be
zero, and it's no need to update VMX_GUEST_RIP.

Some examples:

- all external interrupt VM exits in non LAPIC passthru setup.
- for all the nested VM-exits that are reflecting to L1 hypervisor.

Tracked-On: #6289
Signed-off-by: Zide Chen <zide.chen@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2021-10-07 20:47:07 +08:00
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