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[Bug 1400411] Re: Feature: cpuidle: Enable fastsleep and winkle in ubuntu 14.04.02 kernel

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Chris J Arges <1400411@xxxxxxxxxxxxxxxxxx>
Date: Fri, 09 Jan 2015 15:02:07 -0000
Reply-to: Bug 1400411 <1400411@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Thanks! I can see patches 0002 and beyond. 0001 is still an archive, but
it's ok since its a clean cherrypick of d6a4f709 anyway. I have enough
here to get this submitted as an SRU into the ubuntu-utopic kernel.

** Description changed:

  SRU Justification:
  Impact: Users would like to be able to use fastsleep and winkle cpuidle states in the 3.16 Ubuntu kernel when using powernv.
  Fix:
  commits
+ d6a4f70909d279004a2b3d539e240e07b1ecc1cb
  56548fc0e86cb9156af7a7e1f15ba78f251dafaf
  8117ac6a6c2fa0f847ff6a21a1f32c8d2c8501d0
- 8eb8ac89a364305d05ad16be983b7890eb462cc3
- 7cba160ad789a3ad7e68b92bf20eaad6ed171f80
+ 8eb8ac89a364305d05ad16be983b7890eb462cc3 *backported*
+ 7cba160ad789a3ad7e68b92bf20eaad6ed171f80 *backported*
  77b54e9f213f76a23736940cf94bcd765fc00f40
  upstream
  Test Case:
  cat /sys/devices/system/cpu/cpu0/cpuidle/state*/name
  
  --
  
  This is a feature request to enable power management features fastsleep
  and winkle cpuidle states in ubuntu -14.04.02 kernel. The cpuidle state
  management patches have been posted to Linux Kernel Community.
  
  Mailing list:
  [PATCH 0/4] powernv: cpuidle: Redesign idle states management
  https://lists.ozlabs.org/pipermail/linuxppc-dev/2014-November/122433.html
  
  Patchset:
  [1/4] powerpc: powernv: Switch off MMU before entering nap/sleep/rvwinkle mode
  https://patchwork.ozlabs.org/patch/406249/
  
  [2/4] powerpc/powernv: Enable Offline CPUs to enter deep idle states
  https://patchwork.ozlabs.org/patch/406250/
  
  [3/4] powernv: cpuidle: Redesign idle states management
  https://patchwork.ozlabs.org/patch/406256/
  
  [4/4] powernv: powerpc: Add winkle support for offline cpus
  https://patchwork.ozlabs.org/patch/406251/

-- 
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https://bugs.launchpad.net/bugs/1400411

Title:
  Feature: cpuidle: Enable fastsleep and winkle in ubuntu 14.04.02
  kernel

Status in linux package in Ubuntu:
  New
Status in linux source package in Utopic:
  In Progress

Bug description:
  SRU Justification:
  Impact: Users would like to be able to use fastsleep and winkle cpuidle states in the 3.16 Ubuntu kernel when using powernv.
  Fix:
  commits
  d6a4f70909d279004a2b3d539e240e07b1ecc1cb
  56548fc0e86cb9156af7a7e1f15ba78f251dafaf
  8117ac6a6c2fa0f847ff6a21a1f32c8d2c8501d0
  8eb8ac89a364305d05ad16be983b7890eb462cc3 *backported*
  7cba160ad789a3ad7e68b92bf20eaad6ed171f80 *backported*
  77b54e9f213f76a23736940cf94bcd765fc00f40
  upstream
  Test Case:
  cat /sys/devices/system/cpu/cpu0/cpuidle/state*/name

  --

  This is a feature request to enable power management features
  fastsleep and winkle cpuidle states in ubuntu -14.04.02 kernel. The
  cpuidle state management patches have been posted to Linux Kernel
  Community.

  Mailing list:
  [PATCH 0/4] powernv: cpuidle: Redesign idle states management
  https://lists.ozlabs.org/pipermail/linuxppc-dev/2014-November/122433.html

  Patchset:
  [1/4] powerpc: powernv: Switch off MMU before entering nap/sleep/rvwinkle mode
  https://patchwork.ozlabs.org/patch/406249/

  [2/4] powerpc/powernv: Enable Offline CPUs to enter deep idle states
  https://patchwork.ozlabs.org/patch/406250/

  [3/4] powernv: cpuidle: Redesign idle states management
  https://patchwork.ozlabs.org/patch/406256/

  [4/4] powernv: powerpc: Add winkle support for offline cpus
  https://patchwork.ozlabs.org/patch/406251/

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