On Tue, 2015-01-06 at 16:12 +0000, Andre Przywara wrote: > While we can easily register and unregister KVM devices, there is > currently no easy way of checking whether a device has been > registered. > Introduce kvm_check_device() for that purpose and use it in two > existing functions. Also change the return code for an invalid > type number from ENOSPC to EINVAL. > This function will be later used by another patch set to check > whether a KVM_CREATE_IRQCHIP ioctl is valid. You're checking whether a device type has been registered, not the device itself -- so could you make it kvm_check_device_type()? > Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx> > --- > Hi, > > can people comment whether there is an easier way to detect KVM > device registration _outside_ of virt/kvm/kvm_main.c? Using the > KVM_CREATE_DEVICE_TEST flag sounds like a fit, but > kvm_ioctl_create_device() isn't exported. Out of curiosity, why do you need to test it from inside the kernel but outside kvm_main.c? -Scott -- 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
