acpi: numa: Add helper function to retrieve the performance attributes

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Add helper to retrieve the performance attributes based on the device
handle.  The helper function is exported so the CXL driver can use that
to acquire the performance data between the CPU and the CXL host bridge.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/170319618721.2212653.5552947472849081786.stgit@djiang5-mobl3
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

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Dave Jiang 2023-12-21 15:03:07 -07:00 • committed by Dan Williams

parent a3a3e341f1

commit ca53543d8e

2 changed files with 52 additions and 0 deletions

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41

drivers/acpi/numa/hmat.c

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11

include/linux/acpi.h

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