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Matthew Maurer 6a5c032c4b x86: Enable IBT in Rust if enabled in C
These flags are not made conditional on compiler support because at the
moment exactly one version of rustc supported, and that one supports
these flags.

Building without these additional flags will manifest as objtool
printing a large number of errors about missing ENDBR and if CFI is
enabled (not currently possible) will result in incorrectly structured
function prefixes.

Signed-off-by: Matthew Maurer <mmaurer@google.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Acked-by: "Peter Zijlstra (Intel)" <peterz@infradead.org>
Link: https://lore.kernel.org/r/20231009224347.2076221-1-mmaurer@google.com
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
History 2023-10-23 15:35:00 +02:00
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README

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.