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Since this lock is acquired in both process and IRQ context, failing to to disable IRQs when trying to acquire the lock in process context can lead to deadlocks. Signed-off-by: Sylvain Lesne <lesne@alse-fr.com> Reviewed-by: Stefan Roese <sr@denx.de> Signed-off-by: Vinod Koul <vinod.koul@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.