On Sat, 17 Dec 2022 at 05:48, David Gow <davidgow@xxxxxxxxxx> wrote: > > CONFIG_RUST currently supports x86_64, but does not support it under > UML. With the previous patches applied, adding support is trivial: > add CONFIG_HAVE_RUST to UML if X86_64 is set. > > The scripts/generate_rust_target.rs file already checks for > CONFIG_X86_64, not CONFIG_X86, so is prepared for UML support. > > The Rust support does not currently support X86_32. > > Also, update the Rust architecture support documentation to not that > this is being maintained: I intend to look after this as best I can. > > Signed-off-by: David Gow <davidgow@xxxxxxxxxx> > --- > Documentation/rust/arch-support.rst | 2 ++ > arch/um/Kconfig | 1 + > 2 files changed, 3 insertions(+) > > diff --git a/Documentation/rust/arch-support.rst b/Documentation/rust/arch-support.rst > index 6982b63775da..a526ca1c688b 100644 > --- a/Documentation/rust/arch-support.rst > +++ b/Documentation/rust/arch-support.rst > @@ -17,3 +17,5 @@ Architecture Level of support Constraints > ============ ================ ============================================== > ``x86`` Maintained ``x86_64`` only. > ============ ================ ============================================== > +``um`` Maintained ``x86_64`` only. > +============ ================ ============================================== > diff --git a/arch/um/Kconfig b/arch/um/Kconfig > index ad4ff3b0e91e..4db186f019ae 100644 > --- a/arch/um/Kconfig > +++ b/arch/um/Kconfig > @@ -28,6 +28,7 @@ config UML > select TRACE_IRQFLAGS_SUPPORT > select TTY # Needed for line.c > select HAVE_ARCH_VMAP_STACK > + select HAVE_RUST if X86_64 > > config MMU > bool > -- > 2.39.0.314.g84b9a713c41-goog > Reviewed-by: Sergio González Collado <sergio.collado@xxxxxxxxx>
