[PATCH] acpi: add NFIT and HMAT to the initrd override list

These tables, NFIT and HMAT, are essential for describing next-generation platform memory topologies and performance characteristics. Allow them to be overridden for debug and test and purposes. Cc: Ross Zwisler Signed-off-by: Dan Williams

Re: [fstests PATCH v6 2/2] generic: add test for DAX MAP_SYNC support

On Fri, Dec 08, 2017 at 02:36:10PM +0800, Eryu Guan wrote: > (Test was re-numbered as generic/470, BTW.) Thanks! For future reference, does the pattern of us submitting tests with high numbers (generic/999) to avoid merge conflicts and asking you to renumber them when you merge work for you?

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Re: [PATCH] acpi, nfit: fix health event notification

On Thu, 2017-11-30 at 17:55 -0800, Dan Williams wrote: > Integration testing with a BIOS that generates injected health event > notifications fails to communicate those events to userspace. The nfit > driver neglects to link the ACPI DIMM device with the necessary driver > data so

[PATCH v2 1/4] acpi: nfit: Add support for detect platform CPU cache flush on power loss

In ACPI 6.2a the platform capability structure has been added to the NFIT tables. That provides software the ability to determine whether a system supports the auto flushing of CPU caches on power loss. If the capability is supported, we do not need to do dax_write_cache(). Plumbing the path to

[PATCH v2 0/4] add support for platform persistence capabilities

ACPI 6.2a provides an NFIT sub-table that informs if the platform has auto CPU flush and memory flush on unexpected power loss events. This series propogates those attributes to nd_region and add sysfs attribute to show those capabilities. --- v2: Per Dan's comments - Added ADR cap flags

[PATCH v2 2/4] acpi: nfit: add persistent memory control flag for nd_region

Propogate the ADR attribute flag from the NFIT platform capabilities sub-table to nd_region. Signed-off-by: Dave Jiang --- drivers/acpi/nfit/core.c |3 +++ include/linux/libnvdimm.h |6 ++ 2 files changed, 9 insertions(+) diff --git a/drivers/acpi/nfit/core.c

[PATCH v2 4/4] nfit-test: Add platform cap support from ACPI 6.2a to test

Adding NFIT platform capabilities sub table in nfit_test simulated ACPI NFIT table. Only the first NFIT table is added with the capability sub-table. Signed-off-by: Dave Jiang --- tools/testing/nvdimm/test/nfit.c | 11 ++- 1 file changed, 10 insertions(+), 1

[PATCH v2 3/4] libnvdimm: expose platform persistence attribute for nd_region

Providing a sysfs attribute for nd_region that shows the persistence capabilities for the platform. Signed-off-by: Dave Jiang --- drivers/nvdimm/region_devs.c | 13 + 1 file changed, 13 insertions(+) diff --git a/drivers/nvdimm/region_devs.c