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KVM: VMX: flush TLB with INVEPT on cpu migration
It is possible that stale EPTP-tagged mappings are used, if a vcpu migrates to a different pcpu. Set KVM_REQ_TLB_FLUSH in vmx_vcpu_load, when switching pcpus, which will invalidate both VPID and EPT mappings on the next vm-entry. Cc: stable@kernel.org Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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