Re: [PATCH v23 12/24] x86/sgx: Linux Enclave Driver

[Greg KH]

On Fri, Dec 06, 2019 at 10:38:07PM +0200, Jarkko Sakkinen wrote:
> > Why a whole cdev?
> > 
> > Why not use a misc device?  YOu only have 2 devices right?  Why not 2
> > misc devices then?  That saves the use of a whole major number and makes
> > your code a _LOT_ simpler.
> 
> The downside would be that if we ever want to add sysfs attributes, that
> could not be done synchronously with the device creation.

That is what the groups member of struct misc_device is for.

greg k-h