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The part of thermal zone initialization carried out under thermal_list_lock acquires the thermal zone lock and releases it multiple times back and forth which is not really necessary. Instead of doing this, make it acquire the thermal zone lock once after acquiring thermal_list_lock and release it along with that lock. For this purpose, move all of the code in question to thermal_zone_init_complete() introduced previously and provide an "unlocked" variant of thermal_zone_cdev_bind() to be invoked from there. Also notice that a thermal zone does not need to be added to thermal_tz_list under its own lock, so make the new code acquire the thermal zone lock after adding it to the list. No intentional functional impact. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Link: https://patch.msgid.link/1920382.CQOukoFCf9@rjwysocki.net Reviewed-by: Lukasz Luba <lukasz.luba@arm.com> [ rjw: Rebase on top of recent thermal core changes ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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 reStructuredText 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.