On Fri, 24 Apr 2015, Paul E. McKenney wrote: > > DAX is a mechanism to access memory not managed by the kernel and is the > > successor to XIP. It just happens to be needed for persistent memory. > > Fundamentally any driver can provide an MMAPPed interface to allow access > > to a devices memory. > > I will take another look, but others in this thread have called out > difficulties with DAX's filesystem nature.
Right so you do not need the filesystem structure. Just simply writing a device driver that mmaps data as needed from the coprocessor will also do the trick. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/