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Peter Zijlstra
2f0cbb2a8e
Handle the rare cases where the compiler (clang) does an indirect conditional tail-call using: Jcc __x86_indirect_thunk_\reg For the !RETPOLINE case this can be rewritten to fit the original (6 byte) instruction like: Jncc.d8 1f JMP *%\reg NOP 1: Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Reviewed-by: Borislav Petkov <[email protected]> Acked-by: Josh Poimboeuf <[email protected]> Tested-by: Alexei Starovoitov <[email protected]> Link: https://lore.kernel.org/r/[email protected]
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.