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Power management fix for 4.18-rc6

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Fix a relatively old initialization issue in intel_pstate causing
 the pcc-cpufreq driver to be used instead of it on some HP Proliant
 systems, which turned into a functional regression during the 4.17
 cycle, because pcc-cpufreq is a scalability disaster and that was
 amplified by the idle loop rework done at that time (Rafael Wysocki).
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Merge tag 'pm-4.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fix from Rafael Wysocki:
 "Fix a relatively old initialization issue in intel_pstate causing the
  pcc-cpufreq driver to be used instead of it on some HP Proliant
  systems.

  This turned into a functional regression during the 4.17 cycle,
  because pcc-cpufreq is a scalability disaster and that was amplified
  by the idle loop rework done at that time (Rafael Wysocki).

* tag 'pm-4.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: intel_pstate: Register when ACPI PCCH is present
This commit is contained in:
Linus Torvalds 2018-07-20 11:12:27 -07:00
commit bfa54a3a00
2 changed files with 20 additions and 1 deletions
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