2015-11-19 19:05 GMT+08:00 Paolo Bonzini <pbonzini@xxxxxxxxxx>: > > 1) Clear F(SYSCALL) in kvm_update_cpuid, like you are doing here but > only if F(LM) is already clear (in addition to the vendor being Intel). It seems that F(LM) is always set in the case of qemu-system-x86_64 w/ 32-bit guest, vmware also exposes LM bit to 32 bit guest(however it doesn't expose syscall/sysret), so maybe we can't depend on F(LM). Regards, Wanpeng Li -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html