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2c9046b71bThese fixes fall into three categories
* The definiton of __smp_{store_release,load_acquire}, which allow us to
emit a full fence when unnecessary.
* Fixes to avoid relying on the behavior of "*.aqrl" atomics, as those
are specified in the currently released RISC-V memory model draft in
a way that makes them useless for Linux. This might change in the
future, but now the code matches the memory model spec as it's written
so at least we're getting closer to something sane. The actual fix is
to delete the RISC-V specific atomics and drop back to generic
versions that use the new fences from above.
* Cleanups to our atomic macros, which are mostly non-functional
changes.
Unfortunately I haven't given these as thorough of a testing as I
probably should have, but I've poked through the code and they seem
generally OK.
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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.