Re: Problems with phys_to_pfn_t in linux-next and s390

From: Dan Williams
Date: Thu Dec 24 2015 - 01:25:34 EST


On Wed, Dec 23, 2015 at 9:56 PM, Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
> s390:defconfig:
>
> ERROR: "phys_to_pfn_t" [drivers/s390/block/dcssblk.ko] undefined!
>
> s390 does not set CONFIG_HAS_IOMEM, which is required for phys_to_pfn_t to
> exist.
>
> Introduced with commit e014f77c4b ("mm-dax-pmem-introduce-pfn_t-v3") and
> possibly earlier.

Addressed in v4:
https://lists.01.org/pipermail/linux-nvdimm/2015-December/003610.html
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