Merge 4.18-rc7 into driver-core-next
We need the driver core changes in here as well for testing. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
@ -4855,3 +4855,8 @@
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xirc2ps_cs= [NET,PCMCIA]
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Format:
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<irq>,<irq_mask>,<io>,<full_duplex>,<do_sound>,<lockup_hack>[,<irq2>[,<irq3>[,<irq4>]]]
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xhci-hcd.quirks [USB,KNL]
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A hex value specifying bitmask with supplemental xhci
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host controller quirks. Meaning of each bit can be
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consulted in header drivers/usb/host/xhci.h.
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@ -324,8 +324,7 @@ Global Attributes
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``intel_pstate`` exposes several global attributes (files) in ``sysfs`` to
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control its functionality at the system level. They are located in the
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``/sys/devices/system/cpu/cpufreq/intel_pstate/`` directory and affect all
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CPUs.
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``/sys/devices/system/cpu/intel_pstate/`` directory and affect all CPUs.
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Some of them are not present if the ``intel_pstate=per_cpu_perf_limits``
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argument is passed to the kernel in the command line.
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@ -379,6 +378,17 @@ argument is passed to the kernel in the command line.
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but it affects the maximum possible value of per-policy P-state limits
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(see `Interpretation of Policy Attributes`_ below for details).
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``hwp_dynamic_boost``
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This attribute is only present if ``intel_pstate`` works in the
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`active mode with the HWP feature enabled <Active Mode With HWP_>`_ in
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the processor. If set (equal to 1), it causes the minimum P-state limit
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to be increased dynamically for a short time whenever a task previously
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waiting on I/O is selected to run on a given logical CPU (the purpose
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of this mechanism is to improve performance).
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This setting has no effect on logical CPUs whose minimum P-state limit
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is directly set to the highest non-turbo P-state or above it.
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.. _status_attr:
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``status``
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