Tao Xu bf653b78f9 KVM: vmx: Introduce handle_unexpected_vmexit and handle WAITPKG vmexit ... As the latest Intel 64 and IA-32 Architectures Software Developer's Manual, UMWAIT and TPAUSE instructions cause a VM exit if the RDTSC exiting and enable user wait and pause VM-execution controls are both 1. Because KVM never enable RDTSC exiting, the vm-exit for UMWAIT and TPAUSE should never happen. Considering EXIT_REASON_XSAVES and EXIT_REASON_XRSTORS is also unexpected VM-exit for KVM. Introduce a common exit helper handle_unexpected_vmexit() to handle these unexpected VM-exit. Suggested-by: Sean Christopherson <sean.j.christopherson@intel.com> Co-developed-by: Jingqi Liu <jingqi.liu@intel.com> Signed-off-by: Jingqi Liu <jingqi.liu@intel.com> Signed-off-by: Tao Xu <tao3.xu@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>		2019-09-24 14:34:51 +02:00
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asm	KVM: vmx: Introduce handle_unexpected_vmexit and handle WAITPKG vmexit	2019-09-24 14:34:51 +02:00