On Wed, Aug 07, 2019 at 01:00:48PM +0000, Koenig, Christian wrote: > Am 07.08.19 um 14:59 schrieb Mark Brown: > > 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. > > That doesn't work because 32bit x86 does support writeq/readq as far as > I know. I also had a vague memory that x86-32 did support it with SSE, but I can't actually find any traces of that support.
