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These pernet_operations allocate and destroy IDA identifier, and these actions are synchronized by IDA subsystem locks. Exit method removes mac80211_hwsim_data enteries from the lists, and this is synchronized by hwsim_radio_lock with the rest parallel pernet_operations. Also it queues destroy_radio() work, and these work already may be executed in parallel with any pernet_operations (as it's a work :). So, we may mark these pernet_operations as async. Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.