From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CF69DE88D80 for ; Sat, 4 Apr 2026 12:16:33 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4fnvhb6sLhz2yVL; Sat, 04 Apr 2026 23:16:31 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip="2607:f8b0:4864:20::1034" ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1775304991; cv=none; b=LqIch5deBCH9tT489Q1XQatKOnbxj83cxiIPGRsIv/s5eNfFn0TTML468eLwcVaGLCczYNzdXnbQ9yuTCwHPF7zmo+f94q3plzn50yTpCzpkBgty6CPCfqYoyccSWoBfQeb52dS+gCo4dbeuSwL+9EplslkngdhSdbe7xw7IAuzBO7pzw9/oWlBoTkib8kXouu0y0Bs6dZzet0AnS3zyxxDSV/joWgttzspZRLi+NKgs+vZyz6Shhsciu+weZJ5IVhS3UAFnVfZ/6LgN1l3/BbB3mnzTQckNkYaU6Yllqf82r4PKcXKaGkXU+g20gmr42OILWhPmJLx99T8LiZ+0Pg== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1775304991; c=relaxed/relaxed; bh=I/7o9EiCJhOtnTzDs3PNadMZp0XXQfFToSEBVOVAQ6A=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=NoUY0Ekw69f0RwSWMOCKwi61vAm98Avk39zv0QAAWkrJQN9IQ3ud3WXX01RzZTQ2PQNIhnlc4Zo7rRw/GU1IhplKnJAKPapmh9wMpiGkcamikDxp/bGufYO1X8/gPSDXflCWx7dqLYmVmsjcY8WEB3Xj2uZDSqWn1Oa4S6T7rAlSkYCc5nZqsfcKaKGK+CVyo5pyPbai/ztkbFhSZe72jtjdm90iwA5NWcljtMHBJk8kQX4H02FM01QoKTw8oesNokHEu0ORtH7k1aLVKdMqpVmNeYbChv844ptge19hS9whj0+ajtsxkM72p+3pfXBrkUjqb7QtFoU4PMlxq+x4Dg== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20251104 header.b=f+418IGu; dkim-atps=neutral; spf=pass (client-ip=2607:f8b0:4864:20::1034; helo=mail-pj1-x1034.google.com; envelope-from=mkchauras@gmail.com; receiver=lists.ozlabs.org) smtp.mailfrom=gmail.com Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20251104 header.b=f+418IGu; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=2607:f8b0:4864:20::1034; helo=mail-pj1-x1034.google.com; envelope-from=mkchauras@gmail.com; receiver=lists.ozlabs.org) Received: from mail-pj1-x1034.google.com (mail-pj1-x1034.google.com [IPv6:2607:f8b0:4864:20::1034]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4fnvhZ1cqFz2yC9 for ; Sat, 04 Apr 2026 23:16:28 +1100 (AEDT) Received: by mail-pj1-x1034.google.com with SMTP id 98e67ed59e1d1-35d9c7bf9a1so2308413a91.3 for ; Sat, 04 Apr 2026 05:16:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1775304985; x=1775909785; darn=lists.ozlabs.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=I/7o9EiCJhOtnTzDs3PNadMZp0XXQfFToSEBVOVAQ6A=; b=f+418IGuedEy+2b4OqX60tvpvcFdpfW2uv8oOApPnWpD1JyXkLkZzdunihcjGg+ABX RFZ8eeppi51f6CR4q57uuieAeUwCDdExS0zA6v+8QnRGI6EZ5jD09ppqi+6BuPBAzakP FZS2nc8MXFXbU7WrV6uyNDfb5phyVxxVGcABcxdNCyTs1I2QiLLWov47JAB4+iSeI3Q4 V+kWn9bdf66x6KMBpTiegOHAqnBlWEu8cPy3eykomQW4VERbmx5hLh5BBhkAzuoqc1qk i5O/GV9qp3SEFhef7gnk4aDNCHZtY2MqwnOG6HYuaiH+/1xkLHRtTv5eFCy17c8XMfAo hULg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775304985; x=1775909785; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=I/7o9EiCJhOtnTzDs3PNadMZp0XXQfFToSEBVOVAQ6A=; b=VzKGNINy/3J33REmyTpTp2DhcoS3qgFfH9FQc0cMc9lyrisxbv5FtlAvSSHj52kJIC +e3pLiGJl1nweIg3BQ6aEp7iHXFsP1cKzE2rKvtQh7gVU3YE1SA7LRaSilfsaEW5Xbbl tHBYiwBZzvdcMAXZgfLWFSTCDUmP0En6Owh3fgG/qnph4l38xd8lwMLv5aijjLv0UD+D D+lAgcarosVXEJuXuybloMFVxnQxViDnYnDgcId/ZCVmOlaojubHnNid4MoDOSwVFtv1 JL+kdOBKPWAITRnO/wwOVcUeFsoT9J7TdYCFAkSxxno8qYfzPRXadjxBqR9iZaHQZAEf F+4A== X-Forwarded-Encrypted: i=1; AJvYcCUs6CwD/Y0zk1h26kmsTVNlvDGjtd3PplNb+8dq9lyIML31Hvt08hny8ofzbk+PxMjeV3QvUqvuTgt4GxU=@lists.ozlabs.org X-Gm-Message-State: AOJu0Ywsxl2TmxsioTN/DUncpRxF8cwm0cbh82LmBn/wjpWDr7xHMtfR jw2qre6s8n2AEzIk8HFQuJcTQ0pAzAPRERnCqMO0Tl/0Fq5/dsWtTCrM X-Gm-Gg: AeBDieueNFmXvk3+tCnWwLMxBb3E2t+jNC70ZMNYQ0+hBqS0+BeLwp2FqGd3gC5/5eO hGcJcXlSGpeTvL3jxbXv2ZYIujANw2LIAaPC5ipZ8hqZDVTtU9qlNuLctQq9TLCVGM1uZ8kUOtG 0xo0wss8/e4qPXWIZUIPQ6oYMzSpRShYJx38F5I8H5Rv84vLmPhTQhYJk0OqSzp5tMb6nXqStNd HpvkRESw0LXX91Bbm4kN02v/O1tJxaWa6AUtXd8glFHlMuXohDpccQ8LpBp9o3Qqfy4Cjyn2SjW TQlYto8dR4h5nNA/O8fW8vkQWVg6pBLw8dHkOHwDApS8plUASDGMjMAmMm9PXVC5LXZPokHSJjG Xqtz1zcay96pHEpRL8sN/2zHYuEdyXg/D2DAVmPCPP4Je8zpQCTslkB7TPRRpFDpOVD1TUf9nZ4 lsaVf9o0VIm7lgLgqygddjFrz4/R+0Z5j79Uv7vWlOcpetEbR9yKoEYhta+OsvWO+poTAe8ibtr d0= X-Received: by 2002:a17:90b:3d8a:b0:35b:e4f8:7b2b with SMTP id 98e67ed59e1d1-35de68ebaf3mr6615006a91.18.1775304985367; Sat, 04 Apr 2026 05:16:25 -0700 (PDT) Received: from li-1a3e774c-28e4-11b2-a85c-acc9f2883e29.ibm.com.com ([106.51.160.44]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35de500c42fsm2702745a91.0.2026.04.04.05.16.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 04 Apr 2026 05:16:25 -0700 (PDT) From: "Mukesh Kumar Chaurasiya (IBM)" To: maddy@linux.ibm.com, mpe@ellerman.id.au, npiggin@gmail.com, chleroy@kernel.org, peterz@infradead.org, jpoimboe@kernel.org, jbaron@akamai.com, aliceryhl@google.com, rostedt@goodmis.org, ardb@kernel.org, ojeda@kernel.org, boqun@kernel.org, gary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org, a.hindborg@kernel.org, tmgross@umich.edu, dakr@kernel.org, nathan@kernel.org, nick.desaulniers+lkml@gmail.com, morbo@google.com, justinstitt@google.com, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, llvm@lists.linux.dev Cc: "Mukesh Kumar Chaurasiya (IBM)" Subject: [PATCH V9 0/4] Rust support for powerpc Date: Sat, 4 Apr 2026 17:46:06 +0530 Message-ID: <20260404121610.1956528-1-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: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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-linkmauve@linkmauve.fr [2] https://lore.kernel.org/all/20260204042417.83903-1-mkchauras@gmail.com Changelog: V8 -> V9: - rust/Makefile updated with a directory instead of abspath V8: https://lore.kernel.org/all/20260403145308.1042622-1-mkchauras@gmail.com/ V7 -> V8: - rust/Makefile updated to separate host libraries from target V7: https://lore.kernel.org/all/20260329160254.2592207-1-mkchauras@gmail.com/ 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-mkchauras@gmail.com 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-mkchauras@gmail.com V4 -> V5: - Removed a nested ifdef from PPC64 for Little endian toolchain V4: https://lore.kernel.org/all/20260209105456.1551677-1-mkchauras@gmail.com V3 -> V4: - Co-developed-by header added in patch 1 V3: https://lore.kernel.org/all/20260205180429.3280657-1-mkchauras@gmail.com 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-mkchauras@gmail.com 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 Link Mauve (1): rust: Add PowerPC support Mukesh Kumar Chaurasiya (IBM) (3): rust: Fix "multiple candidates for rmeta dependency core" error powerpc/jump_label: adjust inline asm to be consistent powerpc: Enable Rust for ppc64le arch/powerpc/Kconfig | 2 + arch/powerpc/Makefile | 7 +++ arch/powerpc/include/asm/jump_label.h | 23 ++++++---- rust/Makefile | 66 +++++++++++++++++---------- 4 files changed, 65 insertions(+), 33 deletions(-) -- 2.53.0