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- .. SPDX-License-Identifier: GPL-2.0
- Arch Support
- ============
- Currently, the Rust compiler (``rustc``) uses LLVM for code generation,
- which limits the supported architectures that can be targeted. In addition,
- support for building the kernel with LLVM/Clang varies (please see
- Documentation/kbuild/llvm.rst). This support is needed for ``bindgen``
- which uses ``libclang``.
- Below is a general summary of architectures that currently work. Level of
- support corresponds to ``S`` values in the ``MAINTAINERS`` file.
- ============= ================ ==============================================
- Architecture Level of support Constraints
- ============= ================ ==============================================
- ``arm64`` Maintained Little Endian only.
- ``loongarch`` Maintained \-
- ``riscv`` Maintained ``riscv64`` and LLVM/Clang only.
- ``um`` Maintained \-
- ``x86`` Maintained ``x86_64`` only.
- ============= ================ ==============================================
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