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docs: rust: no_std is used

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Using the #![no_std] attribute in the Rust kernel support is different
to the default Rust usage. Mention this in the Documentation.

Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com>
Reviewed-by: Trevor Gross <tmgross@umich.edu>
Link: https://lore.kernel.org/r/20240610122332.3858571-1-dirk.behme@de.bosch.com
[ Avoided breaking links in two lines. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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Dirk Behme 2024-06-10 14:23:32 +02:00 committed by Miguel Ojeda
parent ab44079e28
commit b63c455d38
1 changed files with 8 additions and 0 deletions
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Documentation/rust/general-information.rst
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@ -7,6 +7,14 @@ This document contains useful information to know when working with
the Rust support in the kernel.
``no_std``
----------
The Rust support in the kernel can link only `core <https://doc.rust-lang.org/core/>`_,
but not `std <https://doc.rust-lang.org/std/>`_. Crates for use in the
kernel must opt into this behavior using the ``#![no_std]`` attribute.
Code documentation
------------------