1*26c88f93SSam bobroffWhat: /sys/devices/system/cpu/dscr_default 2*26c88f93SSam bobroffDate: 13-May-2014 3*26c88f93SSam bobroffKernelVersion: v3.15.0 4*26c88f93SSam bobroffContact: 5*26c88f93SSam bobroffDescription: Writes are equivalent to writing to 6*26c88f93SSam bobroff /sys/devices/system/cpu/cpuN/dscr on all CPUs. 7*26c88f93SSam bobroff Reads return the last written value or 0. 8*26c88f93SSam bobroff This value is not a global default: it is a way to set 9*26c88f93SSam bobroff all per-CPU defaults at the same time. 10*26c88f93SSam bobroffValues: 64 bit unsigned integer (bit field) 11*26c88f93SSam bobroff 12*26c88f93SSam bobroffWhat: /sys/devices/system/cpu/cpu[0-9]+/dscr 13*26c88f93SSam bobroffDate: 13-May-2014 14*26c88f93SSam bobroffKernelVersion: v3.15.0 15*26c88f93SSam bobroffContact: 16*26c88f93SSam bobroffDescription: Default value for the Data Stream Control Register (DSCR) on 17*26c88f93SSam bobroff a CPU. 18*26c88f93SSam bobroff This default value is used when the kernel is executing and 19*26c88f93SSam bobroff for any process that has not set the DSCR itself. 20*26c88f93SSam bobroff If a process ever sets the DSCR (via direct access to the 21*26c88f93SSam bobroff SPR) that value will be persisted for that process and used 22*26c88f93SSam bobroff on any CPU where it executes (overriding the value described 23*26c88f93SSam bobroff here). 24*26c88f93SSam bobroff If set by a process it will be inherited by child processes. 25*26c88f93SSam bobroffValues: 64 bit unsigned integer (bit field) 26