mirror of https://gitee.com/openkylin/linux.git
91a1fad759
We never optimized our rwsem inline assemblies to make use of the new atomic instructions. The generic rwsem implementation implicitly makes use of the new instructions, since it implements the required rwsem primitives with atomic operations, which we did optimize. However even when compiling for old architectures the generic variant still generates better code. So it's time to simply remove our old code and switch to the generic implementation. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
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README
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.