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topology/sysfs: provide drawer id and siblings attributes
The s390 cpu topology gained another hierarchy level. The top level is now called drawer and contains several books. A book used to be the top level. In order to expose the cpu topology to user space allow to create new sysfs attributes dependent on CONFIG_SCHED_DRAWER which an architecture may define and select. These additional attributes will be available: /sys/devices/system/cpu/cpuX/topology/drawer_id /sys/devices/system/cpu/cpuX/topology/drawer_siblings /sys/devices/system/cpu/cpuX/topology/drawer_siblings_list Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Heiko Carstens
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Martin Schwidefsky
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Jun 13, 2016
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