On Wed, Jul 08, 2026 at 01:46:25PM +0530, Mukesh Kumar Chaurasiya (IBM) wrote: > 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/[email protected] > [2] https://lore.kernel.org/all/[email protected] > > Changelog: > V16 -> V17: > - Rebased to latest v7.2-rc2 > > V15 -> V16: > - Rebased to latest v7.1-rc4 > V15: https://lore.kernel.org/all/[email protected]/ > > V14 -> V15: > - Fix an issue with rustdoc build on ppc64le > V14: https://lore.kernel.org/all/[email protected]/ > > 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/[email protected]/ > > 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/[email protected]/ > > V11 -> V12: > - Rebased to mainline (rust/Makefile conflict resolved) > V11: https://lore.kernel.org/all/[email protected]/ > > 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/[email protected]/ > > 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/[email protected]/ > > V8 -> V9: > - rust/Makefile updated with a directory instead of abspath > V8: https://lore.kernel.org/all/[email protected]/ > > V7 -> V8: > - rust/Makefile updated to separate host libraries from target > V7: https://lore.kernel.org/all/[email protected]/ > > 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/[email protected] > > 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/[email protected] > > V4 -> V5: > - Removed a nested ifdef from PPC64 for Little endian toolchain > V4: https://lore.kernel.org/all/[email protected] > > V3 -> V4: > - Co-developed-by header added in patch 1 > V3: https://lore.kernel.org/all/[email protected] > > 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/[email protected] > > 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/[email protected] > > Link Mauve (2): > rust: Make __udivdi3() and __umoddi3() panic > rust: Add PowerPC support > > Mukesh Kumar Chaurasiya (IBM) (6): > powerpc/syscall: Fix syscall skip handling for seccomp and ptrace > 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 ++++++----- > arch/powerpc/include/asm/ptrace.h | 22 +++++++++- > arch/powerpc/include/asm/syscall.h | 6 +++ > arch/powerpc/include/uapi/asm/ptrace.h | 6 ++- > arch/powerpc/kernel/ptrace/ptrace.c | 2 + > arch/powerpc/kernel/syscall.c | 18 +++++++++ > rust/Makefile | 56 +++++++++++++++++--------- > rust/compiler_builtins.rs | 6 +++ > rust/helpers/helpers.c | 2 + > scripts/min-tool-version.sh | 2 + > 12 files changed, 119 insertions(+), 33 deletions(-) > > -- > 2.55.0 >
Please ignore this. Regards, Mukesh
