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Alexei Starovoitov says: ==================== Make two verifier improvements: - The llvm register allocator may use two different registers representing the same virtual register. Teach the verifier to recognize that. - Track bounded scalar spill/fill. The profiler[123] test in patch 3 will fail to load without patches 1 and 2. The profiler[23] test may fail to load on older llvm due to speculative code motion nd instruction combining optimizations that are fixed in https://reviews.llvm.org/D85570 v1 -> v2: - fixed 32-bit mov issue spotted by John. - allowed r2=r1; r3=r2; sequence as suggested by John. - added comments, acks, more tests. ==================== Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.