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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
a87a77cb94