On Wed, Aug 07, 2019 at 10:55:01AM +0000, Koenig, Christian wrote:
> Am 07.08.19 um 12:41 schrieb Christoph Hellwig:

> > writeq/readq are provided whenever the CPU actually supports 64-bit
> > atomic loads and stores.

> Is there a config option which we can make the driver depend on?

64BIT should do the trick.