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    SubjectRe: [PATCH v2 0/7] Cpufreq, cpu hotplug, suspend/resume related fixes
    Date
    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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