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- What: /sys/devices/system/cpu/dscr_default
- Date: 13-May-2014
- KernelVersion: v3.15.0
- Contact:
- Description: Writes are equivalent to writing to
- /sys/devices/system/cpu/cpuN/dscr on all CPUs.
- Reads return the last written value or 0.
- This value is not a global default: it is a way to set
- all per-CPU defaults at the same time.
- Values: 64 bit unsigned integer (bit field)
- What: /sys/devices/system/cpu/cpu[0-9]+/dscr
- Date: 13-May-2014
- KernelVersion: v3.15.0
- Contact:
- Description: Default value for the Data Stream Control Register (DSCR) on
- a CPU.
- This default value is used when the kernel is executing and
- for any process that has not set the DSCR itself.
- If a process ever sets the DSCR (via direct access to the
- SPR) that value will be persisted for that process and used
- on any CPU where it executes (overriding the value described
- here).
- If set by a process it will be inherited by child processes.
- Values: 64 bit unsigned integer (bit field)
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