Merge branch 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm fixes from Dan Williams:

 - Four fixes for "flush hint" support.

   Flush hints are addresses advertised by the ACPI 6+ NFIT (NVDIMM
   Firmware Interface Table) that when written and fenced guarantee that
   writes pending in platform write buffers (outside the cpu) have been
   flushed to media.  They might also be used by hypervisors as a
   trigger condition to flush guest-persistent memory ranges to storage.

    Fix a potential data corruption issue, a broken definition of the
    hint array, a wrong allocation size for the unit test implementation
    of the flush hint table, and missing NULL check in an error path.

    The unit test, while it did not prevent these bugs from being
    merged, at least triggered occasional crashes in advance of
    production usages.

 - Fix handling of ACPI DSM error status results.  The DSM mechanism
   allows communication with platform and memory device firmware.  We
   correctly parse known errors, but were silently ignoring others.

   Fix it to consistently fail any command with a non-zero status return
   that we otherwise do not interpret / handle.

* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  libnvdimm, region: fix flush hint table thinko
  nfit: fail DSMs that return non-zero status by default
  libnvdimm: fix devm_nvdimm_memremap() error path
  tools/testing/nvdimm: fix allocation range for mock flush hint tables
  nvdimm: fix PHYS_PFN/PFN_PHYS mixup

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