On Wed, 17 Jan 2018, Martin Schwidefsky wrote: > Implement nospec_load() and nospec_ptr() for s390 with the new > gmb() barrier between the boundary condition and the load that > may not be done speculatively. FWIW the naming seems to be changing constantly. The latest patchset from Dan Williams [1] uses ifence_...(). [1] lkml.kernel.org/r/151586744180.5820.13215059696964205856.stgit@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx -- Jiri Kosina SUSE Labs