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The persistence domain is a point in the platform where once writes reach that destination the platform claims it will make them persistent relative to power loss. In the ACPI NFIT this is currently communicated as 2 bits in the "NFIT - Platform Capabilities Structure". The bits comprise a hierarchy, i.e. bit0 "CPU Cache Flush to NVDIMM Durability on Power Loss Capable" implies bit1 "Memory Controller Flush to NVDIMM Durability on Power Loss Capable". Commit |
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badrange.c | ||
blk.c | ||
btt_devs.c | ||
btt.c | ||
btt.h | ||
bus.c | ||
claim.c | ||
core.c | ||
dax_devs.c | ||
dimm_devs.c | ||
dimm.c | ||
e820.c | ||
Kconfig | ||
label.c | ||
label.h | ||
Makefile | ||
namespace_devs.c | ||
nd-core.h | ||
nd.h | ||
pfn_devs.c | ||
pfn.h | ||
pmem.c | ||
pmem.h | ||
region_devs.c | ||
region.c |