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2020-11-06tools/memory-model: Document categories of ordering primitivesPaul E. McKenney
The Linux kernel has a number of categories of ordering primitives, which are recorded in the LKMM implementation and hinted at by cheatsheet.txt. But there is no overview of these categories, and such an overview is needed in order to understand multithreaded LKMM litmus tests. This commit therefore adds an ordering.txt as well as extracting a control-dependencies.txt from memory-barriers.txt. It also updates the README file. [ paulmck: Apply Akira Yokosawa file-placement feedback. ] [ paulmck: Apply Alan Stern feedback. ] [ paulmck: Apply self-review feedback. ] Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
2020-10-26tools/memory-model: Move Documentation description to Documentation/READMEPaul E. McKenney
This commit moves the descriptions of the files residing in tools/memory-model/Documentation to a README file in that directory, leaving behind the description of tools/memory-model/Documentation/README itself. After this change, tools/memory-model/Documentation/README provides a guide to the files in the tools/memory-model/Documentation directory, guiding people with different skills and needs to the most appropriate starting point. Signed-off-by: Paul E. McKenney <paulmck@kernel.org>