{"id":2219605,"url":"http://patchwork.ozlabs.org/api/covers/2219605/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/cover/20260403145308.1042622-1-mkchauras@gmail.com/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/projects/2/?format=json","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":"<20260403145308.1042622-1-mkchauras@gmail.com>","list_archive_url":"https://lore.kernel.org/linuxppc-dev/20260403145308.1042622-1-mkchauras@gmail.com/","date":"2026-04-03T14:53:04","name":"[V8,0/4] Rust support for powerpc","submitter":{"id":92575,"url":"http://patchwork.ozlabs.org/api/people/92575/?format=json","name":"Mukesh Kumar Chaurasiya (IBM)","email":"mkchauras@gmail.com"},"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/cover/20260403145308.1042622-1-mkchauras@gmail.com/mbox/","series":[{"id":498640,"url":"http://patchwork.ozlabs.org/api/series/498640/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=498640","date":"2026-04-03T14:53:04","name":"Rust support for powerpc","version":8,"mbox":"http://patchwork.ozlabs.org/series/498640/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/covers/2219605/comments/","headers":{"Return-Path":"\n ","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=N4O2mVvX;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; helo=lists.ozlabs.org;\n envelope-from=linuxppc-dev+bounces-19273-incoming=patchwork.ozlabs.org@lists.ozlabs.org;\n receiver=patchwork.ozlabs.org)","lists.ozlabs.org;\n arc=none smtp.remote-ip=\"2607:f8b0:4864:20::432\"","lists.ozlabs.org;\n dmarc=pass (p=none dis=none) header.from=gmail.com","lists.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=N4O2mVvX;\n\tdkim-atps=neutral","lists.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com\n (client-ip=2607:f8b0:4864:20::432; helo=mail-pf1-x432.google.com;\n envelope-from=mkchauras@gmail.com; receiver=lists.ozlabs.org)"],"Received":["from lists.ozlabs.org (lists.ozlabs.org\n [IPv6:2404:9400:21b9:f100::1])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1 raw public key)\n server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fnMDH4R96z1yCs\n\tfor ; Sat, 04 Apr 2026 01:53:34 +1100 (AEDT)","from boromir.ozlabs.org (localhost [127.0.0.1])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 4fnMD84GQxz2yjm;\n\tSat, 04 Apr 2026 01:53:28 +1100 (AEDT)","from mail-pf1-x432.google.com (mail-pf1-x432.google.com\n [IPv6:2607:f8b0:4864:20::432])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n\t(No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 4fnMD71J5rz2yWK\n\tfor ; Sat, 04 Apr 2026 01:53:25 +1100 (AEDT)","by mail-pf1-x432.google.com with SMTP id\n d2e1a72fcca58-82cd98be655so1356232b3a.0\n for ;\n Fri, 03 Apr 2026 07:53:25 -0700 (PDT)","from li-1a3e774c-28e4-11b2-a85c-acc9f2883e29.ibm.com.com\n ([106.51.160.44])\n by smtp.gmail.com with ESMTPSA id\n d2e1a72fcca58-82cf9ca4efesm6301682b3a.61.2026.04.03.07.53.14\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Fri, 03 Apr 2026 07:53:22 -0700 (PDT)"],"ARC-Seal":"i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1775228008;\n\tcv=none;\n b=N4zzjb3w3eH2gp/ZW6IEWdgbjxI0wZArKzbPVQz+tbQTaJaTIkj0Lh+7NiZNm2hiBs1s84kqkJ/n2JvSqjs+tk7hpuNGsGmIczYcvBOOn25XQ2psB/ndmMat+S7+M7YxobwuPJu8YY/V8RIZ50IOe88pmcetB5OscpmfSWpnZZgqJWV6NBbgqfZP3PezDCv9PCSZYhDR07U7Gy2TF0xThrtFW6bupXlFD0HcdQSADAX1K0mc6K46459aRUgbp2I5ncJEF+yR8Q0HGA/4UEebas3kRBPzEgjVNAr6IS5NYoPFWmvNhlZa2fXoxGA8obcbGAJWWFMNJszMLEe6LpDM7Q==","ARC-Message-Signature":"i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707;\n\tt=1775228008; c=relaxed/relaxed;\n\tbh=Y741cUw5/skL529bebHe+2MR3Atn8T2EhTb8n3/Lxrg=;\n\th=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type;\n b=RXH6wHOO30ObHEYaTfLK3qFOp9hZxMJn0SWZmrE8m4QaRB2qOBfKZRiycSFgfa8x/M2/Y8xZih64f8iUmU3u1GTCDsgtnnxibm4xhiC9K1iTVqaNH/G6bCXc1uzvY0oC2+E7+V/hjGVY63jXvb1mN4StkiyVgNsP0UTUZnZYRO8JkS2tQ0iA3uBTdAOsvJe7diupFTBBVL81LHYxfWLrEuC6bVwaFXAOYmYhpk3Mgbcmak3RfaEfdNd5jpwwX9G/3zBkqQXbe5sH8wHWACQTiOv1J4LlBdWJRDfX9xLO3jYb6o9QsLEngX091ooPG0otCO43rqy0Qp3Vkcv0RbncgA==","ARC-Authentication-Results":"i=1; lists.ozlabs.org;\n dmarc=pass (p=none dis=none) header.from=gmail.com; dkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=N4O2mVvX; dkim-atps=neutral;\n spf=pass (client-ip=2607:f8b0:4864:20::432; helo=mail-pf1-x432.google.com;\n envelope-from=mkchauras@gmail.com;\n receiver=lists.ozlabs.org) smtp.mailfrom=gmail.com","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=gmail.com; s=20251104; t=1775228003; x=1775832803;\n darn=lists.ozlabs.org;\n h=content-transfer-encoding:mime-version:message-id:date:subject:cc\n :to:from:from:to:cc:subject:date:message-id:reply-to;\n bh=Y741cUw5/skL529bebHe+2MR3Atn8T2EhTb8n3/Lxrg=;\n b=N4O2mVvXS21ET12ze7diMYy7o9aPfjJE33ZfSKmu+3wR0utxoJPR2lx/cVxf5UL1Rh\n sAGjjP0dxllt4YrKRw5Sb4tSTpyDl67EW8W4Nyw2khILJI/mk6j4021YnHtmsaTm8l8C\n NcTWDJ4yxj/FCjjlT12OYTXFjmukQokOD80NO7kz/+AXNtF4/kLlm+pf4l8St61tDp/f\n vAgqEnRPlXPNlDmNtgff+SAV9LgGtumAqO4Riez/Uldqbb7mf+VVle5XM/JtUbwrQoCv\n AJD4mFkYkMUy7CsJwRbcnFPC9YqFBUll1S0SFh2hSO/y4V0GTCFda34mclRY27HCSMrB\n sMWQ==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1775228003; x=1775832803;\n h=content-transfer-encoding:mime-version:message-id:date:subject:cc\n :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date\n :message-id:reply-to;\n bh=Y741cUw5/skL529bebHe+2MR3Atn8T2EhTb8n3/Lxrg=;\n b=aL9JuIuXZM+vTtvdnYOKiyIFjK58daTDQjgkZDDg1A2P7dO7Zd3o51skcRF3MqXe/4\n JmrDN4a4xaedR6KloxrL03vvv+oOx3l7DHplSZjLpm31H36faMAypIRETMEkN+t2emD0\n EFYyQLC3iViri0b8RSc3MlCg+T7l61PtmhSN9Cg42FicxlxpzPs3MLN07cYbzAQpXADV\n 6fT3qBOBFW1DSexDsi1rRbHmqIjJiM4yHYYzFJ7OxeFPGG7snAsw8Vl49ZNDYV3a7PxC\n DdBNpPYkOz7iZLauL//w+AMpAsQ0TlM8EduCzC6yiNwDsAOSJLEuxN4x7VSFPWUFHUw+\n lM+g==","X-Forwarded-Encrypted":"i=1;\n AJvYcCWyI7CUWJyEBCXblhrKaPX2i+LNT1KaAKz5AbcN2zeOhF0mayf2TvqKDxLACOsOU1w5oFE+WHt9kdNhG1A=@lists.ozlabs.org","X-Gm-Message-State":"AOJu0Yw2vJQ2QVmJMYLq2GGzpdaqJCMQyqELWf/w6pvGSsy9dbgZ9RzK\n\t982WKyPeIoURhZKTufBYCQDbM/eV6hI+xKIihdMsoX+ktCKgkF++rsw4","X-Gm-Gg":"AeBDiesTZ8KNSlLsTqdq52SI3azhk0VSauDHLWz4nIjbMSt2Z6IGFNMBCuTU3AhzFHe\n\tDdQQG+qPQ1dFj7wxlGww/KdJ28VmrH58G72TYGIw33rj+sNimorObl3tSUb7fcHHrXNBMFyvrfv\n\tsbtfR1iSsC1TH7WdFCBVJ1TbL+10Q+GnR0RaQXhFM6dt78sax4hQ6XXKZAc8oMrImGVjLIXIpLR\n\tb95U3JX24RAmZKMq8FvcndPyojISWCDezfYMz0o0NlTU7ghp0fGX39louGLH5SyCXvcLCpY2jL0\n\tnNmm/111kkuiBNeFMrNIpJD0i+DtnTICeK5Ef8PB/3catU2XjkX0+W76Wm+Pdleiq32x4ITbdqA\n\tp2y8Euba2dgk755M7V9ZCCCakXeFyVpE81QwgA1fdZ2swBtipMudOr1LgIVeds5wrKD7ZfAG9fo\n\t2qVloaPpwbocALC/xk7iJVBdFD86LIJIFwJOBFVxyc0sDxF7H3Lbb7tojFPQ06w5eAAyGkcekql\n\tU8=","X-Received":"by 2002:a05:6a00:2e12:b0:82c:9223:cc95 with SMTP id\n d2e1a72fcca58-82d0da4e79fmr3167167b3a.1.1775228003145;\n Fri, 03 Apr 2026 07:53:23 -0700 (PDT)","From":"\"Mukesh Kumar Chaurasiya (IBM)\" ","To":"maddy@linux.ibm.com,\n\tmpe@ellerman.id.au,\n\tnpiggin@gmail.com,\n\tchleroy@kernel.org,\n\tpeterz@infradead.org,\n\tjpoimboe@kernel.org,\n\tjbaron@akamai.com,\n\taliceryhl@google.com,\n\trostedt@goodmis.org,\n\tardb@kernel.org,\n\tojeda@kernel.org,\n\tboqun@kernel.org,\n\tgary@garyguo.net,\n\tbjorn3_gh@protonmail.com,\n\tlossin@kernel.org,\n\ta.hindborg@kernel.org,\n\ttmgross@umich.edu,\n\tdakr@kernel.org,\n\tnathan@kernel.org,\n\tnick.desaulniers+lkml@gmail.com,\n\tmorbo@google.com,\n\tjustinstitt@google.com,\n\tlinuxppc-dev@lists.ozlabs.org,\n\tlinux-kernel@vger.kernel.org,\n\trust-for-linux@vger.kernel.org,\n\tllvm@lists.linux.dev","Cc":"\"Mukesh Kumar Chaurasiya (IBM)\" ","Subject":"[PATCH V8 0/4] Rust support for powerpc","Date":"Fri, 3 Apr 2026 20:23:04 +0530","Message-ID":"<20260403145308.1042622-1-mkchauras@gmail.com>","X-Mailer":"git-send-email 2.53.0","X-Mailing-List":"linuxppc-dev@lists.ozlabs.org","List-Id":"","List-Help":"","List-Owner":"","List-Post":"","List-Archive":",\n ","List-Subscribe":",\n ,\n ","List-Unsubscribe":"","Precedence":"list","MIME-Version":"1.0","Content-Type":"text/plain; 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,RCVD_IN_DNSWL_NONE,\n\tSPF_HELO_NONE,SPF_PASS autolearn=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\n- powernv9 hardware\n- pseries P11 hardware\n- pseries(9, 10) qemu\n- powernv(9, 10) qemu\n- rustdoc on x86 and powerpc64le\n- rusttest on x86 and powerpc64le\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:\nV7 -> V8:\n- rust/Makefile updated to separate host libraries from target\nV7: https://lore.kernel.org/all/20260329160254.2592207-1-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 \"multiple candidates for rmeta dependency core\" error\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 | 73 ++++++++++++++++++---------\n 4 files changed, 71 insertions(+), 34 deletions(-)"}