On Mon, Dec 21, 2015 at 10:40 PM, Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx> wrote: > s390 defconfig fails with the error: > ERROR: "phys_to_pfn_t" [drivers/s390/block/dcssblk.ko] undefined! > > We need CONFIG_HAS_IOMEM for phys_to_pfn_t() and for that we need to > have CONFIG_PCI. > > Fixes: bfac97e7b361 ("mm, dax, pmem: introduce pfn_t") > Cc: Dan Williams <dan.j.williams@xxxxxxxxx> > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Signed-off-by: Sudip Mukherjee <sudip@xxxxxxxxxxxxxxx> > --- Hi, I fixed this build breakage in v4 of the patch series that introduces phys_to_pfn_t() [1]. Chnaging the config is not correct the HAS_IOMEM dependency for the symbol needs to be satisfied. [1]: https://lists.01.org/pipermail/linux-nvdimm/2015-December/003610.html -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html