On Mon, Nov 23, 2015 at 04:03:20PM +0000, Keith Busch wrote: > We also thought it'd have been cleaner to have a different command set, > but the committee hasn't taken on assigning these reserved bits for any > new purposes yet. LightNVM detection is done with the vendor + device > id at the moment. I saw the vendor + device, but even with that I'd rather see a reserved value in the command set in addition. Claiming that we're NVM if we're not is a bad idea. While we're at it - the NVMe driver really should check for these reserved bits and reject a PCIe device that doesn't claim to implement the NVM command set. -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html