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Filename Latest commit message Latest commit date
Rafael J. Wysocki 8e3b403954 cpufreq: intel_pstate: Fix up iowait_boost computation
After commit b8bd1581aa ("cpufreq: intel_pstate: Rework iowait
boosting to be less aggressive") the handling of the case when
the SCHED_CPUFREQ_IOWAIT flag is set again after a few iterations of
intel_pstate_update_util() is a bit inconsistent, because the
new value of cpu->iowait_boost may be lower than ONE_EIGHTH_FP
if it was set before, but has not dropped down to zero just yet.

Fix that up by ensuring that the new value of cpu->iowait_boost
will always be at least ONE_EIGHTH_FP then.

Fixes: b8bd1581aa ("cpufreq: intel_pstate: Rework iowait boosting to be less aggressive")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2019-03-12 09:47:30 +01:00
arch Power management updates for 5.1-rc1 2019-03-06 12:59:46 -08:00
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Documentation Power management updates for 5.1-rc1 2019-03-06 12:59:46 -08:00
drivers cpufreq: intel_pstate: Fix up iowait_boost computation 2019-03-12 09:47:30 +01:00
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kernel Power management updates for 5.1-rc1 2019-03-06 12:59:46 -08:00
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MAINTAINERS Power management updates for 5.1-rc1 2019-03-06 12:59:46 -08:00
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README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.