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| author |   Dan Williams <dan.j.williams@intel.com> | 2018-03-21 21:22:34 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2018-03-21 21:39:27 -0700 |
| commit | 0731de476a37c33485af82d64041c9d193208df8 (patch) | |
| tree | 994289334020ae59a90f9d62aef6202558a47ea3 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | libnvdimm, label: change nvdimm_num_label_slots per UEFI 2.7 (diff) | |
| download | wireguard-linux-0731de476a37c33485af82d64041c9d193208df8.tar.xz wireguard-linux-0731de476a37c33485af82d64041c9d193208df8.zip | |
nfit: skip region registration for incomplete control regions
Per the ACPI specification the only functional purpose for a DIMM
Control Region to be mapped into the system physical address space, from
an OSPM perspective, is to support block-apertures. However, there are
some BIOSen that publish DIMM Control Region SPA entries for pre-boot
environment consumption. Undo the kernel policy of generating disabled
'ndblk' regions when this configuration is detected.
Cc: <stable@vger.kernel.org>
Fixes: 1f7df6f88b92 ("libnvdimm, nfit: regions (block-data-window...)")
Reviewed-by: Toshi Kani <toshi.kani@hpe.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions