mirror of https://github.com/torvalds/linux.git
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There is a small chance that the compiler could generate separate loads for the dist->propbaser which could be modified from another CPU. As we want to make sure we atomically update the entire value, and don't race with other updates, guarantee that the cmpxchg operation compares against the original value. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Christoffer Dall <cdall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.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.