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SubjectRe: [PATCH v2 0/7] Cpufreq, cpu hotplug, suspend/resume related fixes
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On Tuesday, July 30, 2013 04:23:12 AM Srivatsa S. Bhat wrote:
>
> Hi,
>
> This patchset reorganizes the cpufreq code and preserves the file permissions
> of cpufreq-related per-cpu sysfs files across suspend/resume cycles, by
> performing a light-weight init/teardown in those paths.
>
> Patches 1 - 4 reorganize the code and have no functional impact, and can go
> in as general cleanups as well. This reorganization builds a base that the
> rest of the patches will make use of.
>
> Patch 5 and 6 add a mechanism to perform light-weight init/tear-down of CPUs
> in the cpufreq subsystem and finally patch 7 uses it to preserve sysfs files
> across suspend/resume.
>
> All the patches apply on Rafael's bleeding-edge branch on linux-pm git
> tree[1].
>
>
> Changes in v2:
> * Fixed a refcounting bug explained here:
> http://marc.info/?l=linux-kernel&m=137511192600806&w=2
>
> * Addressed some suggestions about code reorganization received in v1.
> * Rebased on top of the bleeding-edge branch.
>
>
> [1]. git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git bleeding-edge
>
> Thank you very much!
>
>
> Srivatsa S. Bhat (7):
> cpufreq: Fix misplaced call to cpufreq_update_policy()
> cpufreq: Add helper to perform alloc/free of policy structure
> cpufreq: Extract non-interface related stuff from cpufreq_add_dev_interface
> cpufreq: Extract the handover of policy cpu to a helper function
> cpufreq: Introduce a flag ('frozen') to separate full vs temporary init/teardown
> cpufreq: Preserve policy structure across suspend/resume
> cpufreq: Perform light-weight init/teardown during suspend/resume
>
>
> drivers/cpufreq/cpufreq.c | 303 ++++++++++++++++++++++++++-------------
> drivers/cpufreq/cpufreq_stats.c | 8 -
> 2 files changed, 205 insertions(+), 106 deletions(-)

Thanks, queued up for 3.12.

Rafael


--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.


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