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The difference between access class 0 and access class 1 for 'struct access_coordinate', if any, is that class 0 is for the distance from the target to the closest initiator and that class 1 is for the distance from the target to the closest CPU. For CXL memory, the nearest initiator may not necessarily be a CPU node. The performance path from the CXL endpoint to the host bridge should remain the same. However, the numbers extracted and stored from HMAT is the difference for the two access classes. Split out the performance numbers for the host bridge (generic target) from the calculation of the entire path in order to allow calculation of both access classes for a CXL region. Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/20240308220055.2172956-7-dave.jiang@intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com> |
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.. | ||
core | ||
acpi.c | ||
cxl.h | ||
cxlmem.h | ||
cxlpci.h | ||
Kconfig | ||
Makefile | ||
mem.c | ||
pci.c | ||
pmem.c | ||
pmu.h | ||
port.c | ||
security.c |