KVM: VMX: Avoid atomic operation in vmx_vcpu_run
Instead of exchanging the guest and host rcx, have separate storage for each. This allows us to avoid using the xchg instruction, which is is a little slower than normal operations. Signed-off-by:Avi Kivity <avi@redhat.com> Signed-off-by:
Marcelo Tosatti <mtosatti@redhat.com>
parent
1c696d0e
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