Rust Support for powerpc
| From: | "Mukesh Kumar Chaurasiya (IBM)" <mkchauras-AT-gmail.com> | |
| To: | maddy-AT-linux.ibm.com, mpe-AT-ellerman.id.au, npiggin-AT-gmail.com, chleroy-AT-kernel.org, peterz-AT-infradead.org, jpoimboe-AT-kernel.org, jbaron-AT-akamai.com, aliceryhl-AT-google.com, rostedt-AT-goodmis.org, ardb-AT-kernel.org, ojeda-AT-kernel.org, boqun-AT-kernel.org, gary-AT-garyguo.net, bjorn3_gh-AT-protonmail.com, lossin-AT-kernel.org, a.hindborg-AT-kernel.org, tmgross-AT-umich.edu, dakr-AT-kernel.org, nathan-AT-kernel.org, nick.desaulniers+lkml-AT-gmail.com, morbo-AT-google.com, justinstitt-AT-google.com, daniel.almeida-AT-collabora.com, acourbot-AT-nvidia.com, fujita.tomonori-AT-gmail.com, gregkh-AT-linuxfoundation.org, prafulrai522-AT-gmail.com, tamird-AT-kernel.org, kees-AT-kernel.org, mkchauras-AT-gmail.com, lyude-AT-redhat.com, airlied-AT-gmail.com, linuxppc-dev-AT-lists.ozlabs.org, linux-kernel-AT-vger.kernel.org, rust-for-linux-AT-vger.kernel.org, llvm-AT-lists.linux.dev | |
| Subject: | [PATCH V16 0/7] Rust Support for powerpc | |
| Date: | Wed, 20 May 2026 12:16:22 +0530 | |
| Message-ID: | <20260520064630.1785283-1-mkchauras@gmail.com> | |
| Archive-link: | Article |
Enable experimental rust support for ppc64le and ppc32be. The patch for ppc32 has been provided by Link Mauve[1] and ppc64le support[2] has been merged over it. ppc32 needs some toolchain fixes mentioned in the patch `rust: Add PowerPC support` and the discussion for that is done here[1]. This has been tested on - powernv9 hardware - pseries P11 hardware - pseries(9, 10) qemu - powernv(9, 10) qemu - rustdoc on x86 and powerpc64le - rusttest on x86 and powerpc64le We are actively working with our LLVM team to get the target for ppc, ppc64 and ppc64le in the rust compiler. [1] https://lore.kernel.org/all/20260204030507.8203-1-linkmau... [2] https://lore.kernel.org/all/20260204042417.83903-1-mkchau... Changelog: V15 -> V16: - Rebased to latest v7.1-rc4 V15: https://lore.kernel.org/all/20260426105932.2270364-1-mkch... V14 -> V15: - Fix an issue with rustdoc build on ppc64le V14: https://lore.kernel.org/all/20260426085725.2090827-1-mkch... V13 -> V14: - 2nd patch is rewritten (Christian) - Fixed a small typo in rust/Makefile (Sashiko) - Fixed commit message in Patch 4 (Sashiko) V13: https://lore.kernel.org/all/20260424054742.45832-1-mkchau... V12 -> V13: - Added a patch for fixing build issue on ppc32 by Link Mauve - Added another patch to fix a build issue in dma-buf - Added another patch to enforce minimum `rustc` version for powerpc V12: https://lore.kernel.org/all/20260421120958.190430-1-mkcha... V11 -> V12: - Rebased to mainline (rust/Makefile conflict resolved) V11: https://lore.kernel.org/all/20260417152253.2312961-1-mkch... V10 -> V11: - Updated `rust/Makefile` - Not all libraries are move to `rust/host` directory now. Only proc_macro2, quote and syn are moved - Special handling for pin init is added. Details in commit - Removed mkdir for `rust/host`, this is now handled by toolchain. V10: https://lore.kernel.org/all/20260406200149.3727922-1-mkch... V9 -> V10: - rust/Makefile updated with review comments from Miguel - Patch 1/4 updated with commit message and subject V9: https://lore.kernel.org/all/20260404121610.1956528-1-mkch... V8 -> V9: - rust/Makefile updated with a directory instead of abspath V8: https://lore.kernel.org/all/20260403145308.1042622-1-mkch... V7 -> V8: - rust/Makefile updated to separate host libraries from target V7: https://lore.kernel.org/all/20260329160254.2592207-1-mkch... Changelog: V6 -> V7: - Documentation removed as powerpc is still under development - Added a fix for race condition in rust/Makefile V6: https://lore.kernel.org/all/20260210090023.2587534-1-mkch... V5 -> V6: - Added a missing Tested by from Venkat which got missed since V3 - Support is marked as Maintained instead of experimental V5: https://lore.kernel.org/all/20260210053756.2088302-1-mkch... V4 -> V5: - Removed a nested ifdef from PPC64 for Little endian toolchain V4: https://lore.kernel.org/all/20260209105456.1551677-1-mkch... V3 -> V4: - Co-developed-by header added in patch 1 V3: https://lore.kernel.org/all/20260205180429.3280657-1-mkch... V2 -> V3: - Splited HAVE_RUST in 2 lines - BINDGEN_TARGET_powerpc initialized before assigning the same to BINDGEN_TARGET V2: https://lore.kernel.org/all/20260204210125.613350-1-mkcha... V1 -> V2: - jump label fix for rust has been moved to a separate patch - PPC32 support has been taken - rust support has been marked experimental - target.json dependency has been removed - HAVE_RUST now depends on CPU_LITTLE_ENDIAN for PPC64 V1: https://lore.kernel.org/all/20260204042417.83903-1-mkchau... Link Mauve (2): rust: Make __udivdi3() and __umoddi3() panic rust: Add PowerPC support Mukesh Kumar Chaurasiya (IBM) (5): rust: Fix "multiple candidates for rmeta dependency core" error dma-resv: Fix undefined symbol when CONFIG_DMA_SHARED_BUFFER is disabled powerpc/jump_label: adjust inline asm to be consistent rust/powerpc: Set min rustc version for powerpc powerpc: Enable Rust for ppc64le arch/powerpc/Kconfig | 2 ++ arch/powerpc/Makefile | 7 ++++ arch/powerpc/include/asm/jump_label.h | 23 ++++++------ rust/Makefile | 52 +++++++++++++++++---------- rust/compiler_builtins.rs | 6 ++++ rust/helpers/helpers.c | 2 ++ scripts/min-tool-version.sh | 6 +++- 7 files changed, 69 insertions(+), 29 deletions(-) -- 2.54.0