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For correct behavior we need to hold the inner lock when dequeuing and processing node work in binder_thread_read. We now hold the inner lock when we enter the switch statement and release it after processing anything that might be affected by other threads. We also need to hold the inner lock to protect the node weak/strong ref tracking fields as long as node->proc is non-NULL (if it is NULL then we are guaranteed that we don't have any node work queued). This means that other functions that manipulate these fields must hold the inner lock. Refactored these functions to use the inner lock. Signed-off-by: Todd Kjos <tkjos@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.