On 11/16/2015 11:28 AM, Takashi Iwai wrote: <> >> >> Hi Greg >> >> Please include the mainline patch: >> [2db1a57] ALSA: pci: depend on ZONE_DMA (by Dan Williams) >> >> To the stable tree for v4.3.X Kernel. >> >> This patch is needed for proper operation of the 4.3 pmem.ko driver. Long >> story, but without this patch the persistent-memory will not be able to >> work with the new 4.3 support of page-struct which is needed if we want to >> RDMA and/or IO directly to persistent memory. >> [Is to do with the new ZONE_DEVICE and too many ZONE(s) if ZONE_DMA is enabled] > > Well, it's not exactly true: you just need to deselect some drivers to > allow CONFIG_ZONE_DMA to be disabled. It's merely another side of > coin. > > I don't mind including this to 4.3, though, but just want to correct > the statement. > This is true. Sorry for not being clear. We already have a script that we give to clients to enable ZONE_DEVICE for 4.3 based systems. Is currently simple based on this patch. Without this patch it will need to be more complicated. Thanks Takashi Boaz > > Takashi > -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html