MSR_CSTAR
wrmsrq(MSR_CSTAR, val);
MSR_LSTAR : MSR_CSTAR, &msr_data);
MSR_CSTAR,
case MSR_CSTAR:
case MSR_CSTAR:
svm_disable_intercept_for_msr(vcpu, MSR_CSTAR, MSR_TYPE_RW);
MSR_SYSCALL_MASK, MSR_LSTAR, MSR_CSTAR,
case MSR_CSTAR:
MSR_CSTAR, MSR_KERNEL_GS_BASE, MSR_SYSCALL_MASK, MSR_LSTAR,
case MSR_CSTAR:
MSR_TEST_CANONICAL(MSR_CSTAR, LM),