On Fri, Jun 06, 2014 at 02:45:06PM +0300, Eli Billauer wrote: > Hello Joerg. > > > On 05/06/14 00:25, Joerg Roedel wrote: > > > >What you are trying to do should work with dma_alloc_noncoherent(). The > >API allows partial syncs on this memory, so you should be fine. > Please try to put yourself in my position: I have a driver that I care > about, which works fine for a few years. It's based upon dma_map_single(), > which seems to be the common way to get non-coherent memory, even for the > driver's entire lifespan. I realize that dma_alloc_* was the intended way to > do it, but fact is that dma_map_* has become the common choice. Is your driver in the kernel tree? If not, you really are on your own :( greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html