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{ "id": 2217482, "url": "http://patchwork.ozlabs.org/api/covers/2217482/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/cover/20260329160254.2592207-1-mkchauras@gmail.com/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/projects/2/?format=api", "name": "Linux PPC development", "link_name": "linuxppc-dev", "list_id": "linuxppc-dev.lists.ozlabs.org", "list_email": "linuxppc-dev@lists.ozlabs.org", "web_url": "https://github.com/linuxppc/wiki/wiki", "scm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git", "webscm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/", "list_archive_url_format": "https://lore.kernel.org/linuxppc-dev/{}/", "commit_url_format": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}" }, "msgid": "<20260329160254.2592207-1-mkchauras@gmail.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20260329160254.2592207-1-mkchauras@gmail.com/", "date": "2026-03-29T16:02:50", "name": "[V7,0/4] Rust support for powerpc", "submitter": { "id": 92575, "url": "http://patchwork.ozlabs.org/api/people/92575/?format=api", "name": "Mukesh Kumar Chaurasiya", "email": "mkchauras@gmail.com" }, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/cover/20260329160254.2592207-1-mkchauras@gmail.com/mbox/", "series": [ { "id": 497928, "url": "http://patchwork.ozlabs.org/api/series/497928/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=497928", "date": "2026-03-29T16:02:50", "name": "Rust support for powerpc", "version": 7, "mbox": "http://patchwork.ozlabs.org/series/497928/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2217482/comments/", "headers": { "Return-Path": "\n <linuxppc-dev+bounces-18971-incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=rGc2/thV;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=112.213.38.117; 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charset=UTF-8", "Content-Transfer-Encoding": "8bit", "X-Spam-Status": "No, score=-0.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID,\n\tDKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,SPF_HELO_NONE,SPF_PASS\n\tautolearn=disabled version=4.0.1 OzLabs 8", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org" }, "content": "Enable experimental rust support for ppc64le and ppc32be. The patch for\nppc32 has been provided by Link Mauve[1] and ppc64le support[2] has been\nmerged over it. ppc32 needs some toolchain fixes mentioned in the patch\n`rust: Add PowerPC support` and the discussion for that is done here[1].\n\nThis has been tested on powernv9 hardware and power10 pseries qemu.\n\nWe are actively working with our LLVM team to get the target for ppc,\nppc64 and ppc64le in the rust compiler.\n\n\n[1] https://lore.kernel.org/all/20260204030507.8203-1-linkmauve@linkmauve.fr\n[2] https://lore.kernel.org/all/20260204042417.83903-1-mkchauras@gmail.com\n\nChangelog:\nV6 -> V7:\n- Documentation removed as powerpc is still under development\n- Added a fix for race condition in rust/Makefile\nV6: https://lore.kernel.org/all/20260210090023.2587534-1-mkchauras@gmail.com\n\nV5 -> V6:\n- Added a missing Tested by from Venkat which got missed since V3\n- Support is marked as Maintained instead of experimental\nV5: https://lore.kernel.org/all/20260210053756.2088302-1-mkchauras@gmail.com\n\nV4 -> V5:\n- Removed a nested ifdef from PPC64 for Little endian toolchain\nV4: https://lore.kernel.org/all/20260209105456.1551677-1-mkchauras@gmail.com\n\nV3 -> V4:\n- Co-developed-by header added in patch 1\nV3: https://lore.kernel.org/all/20260205180429.3280657-1-mkchauras@gmail.com\n\nV2 -> V3:\n- Splited HAVE_RUST in 2 lines\n- BINDGEN_TARGET_powerpc initialized before assigning the same to\n BINDGEN_TARGET\nV2: https://lore.kernel.org/all/20260204210125.613350-1-mkchauras@gmail.com\n\nV1 -> V2:\n- jump label fix for rust has been moved to a separate patch\n- PPC32 support has been taken\n- rust support has been marked experimental\n- target.json dependency has been removed\n- HAVE_RUST now depends on CPU_LITTLE_ENDIAN for PPC64\n\nLink Mauve (1):\n rust: Add PowerPC support\n\nMukesh Kumar Chaurasiya (IBM) (3):\n rust: Fix a race condition in Makefile\n powerpc/jump_label: adjust inline asm to be consistent\n powerpc: Enable Rust for ppc64le\n\n arch/powerpc/Kconfig | 2 ++\n arch/powerpc/Makefile | 7 +++++++\n arch/powerpc/include/asm/jump_label.h | 23 +++++++++++++----------\n rust/Makefile | 13 +++++++++++--\n 4 files changed, 33 insertions(+), 12 deletions(-)" }