Srikar Dronamraju a87a77cb94 powerpc/cacheinfo: Add per cpu per index shared_cpu_list
Unlike drivers/base/cacheinfo, powerpc cacheinfo code is not exposing
shared_cpu_list under /sys/devices/system/cpu/cpu<n>/cache/index<m>

Add shared_cpu_list to per cpu per index directory to maintain parity
with x86. Some scripts (example: mmtests
https://github.com/gormanm/mmtests) seem to be looking for
shared_cpu_list instead of shared_cpu_map.

Before this patch:
  # ls /sys/devices/system/cpu0/cache/index1
  coherency_line_size  number_of_sets  size  ways_of_associativity
  level                shared_cpu_map  type
  # cat /sys/devices/system/cpu0/cache/index1/shared_cpu_map
  00ff
  #

After this patch:
  # ls /sys/devices/system/cpu0/cache/index1
  coherency_line_size  number_of_sets   shared_cpu_map  type
  level                shared_cpu_list  size            ways_of_associativity
  # cat /sys/devices/system/cpu0/cache/index1/shared_cpu_map
  00ff
  # cat /sys/devices/system/cpu0/cache/index1/shared_cpu_list
  0-7
  #

Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200629103703.4538-4-srikar@linux.vnet.ibm.com
2020-07-15 11:07:20 +10:00
2020-06-21 15:45:29 -07:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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