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 0D796C43458 for ; Wed, 8 Jul 2026 08:16:57 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4gw9tJ505rz303B; Wed, 08 Jul 2026 18:16:56 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip="2607:f8b0:4864:20::1031" ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1783498616; cv=none; b=mKW4AB9SfkNw0qyNgdRuTiC1NNv76azp4k36trannn9cHpE5Wgyi01MpiYiqBx3iCbTkCK0sVz8SwhLANtmtsMFae7Av9wzk904HZB0puq3sbmKvIkvm378FUZfOjOLUMluViZNHx3J1i2h5jYLGhxtAMx5tpncuoxIB8D5oex9RWfdXZiGmqqiLALKt1iO5pwXqrCE0uKH2MJPx8mgMt1LLnNMFCTDT4nXhMpY0v7odTLQLuj8TTHlEiFDxb2Y08pcF73kHLvYf/jeJkznsQseOePkQm2yE6ZZ/CWEirXIy2fl4PZ2lBy+tGC0R4CYvaTrT1X6NbN1EsoxWkbWYgQ== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1783498616; c=relaxed/relaxed; bh=OKHyME7FzZLUkSII5idM6IXVqJSLJz+6sWzTPKllxxk=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type; b=Sh7NIcgRMeXT23c6VarmN1F/CXM3gnMcrhd6rWd0Hf09qX8mnErdPRRx0nSKJTTCtsdh7nrCfKDaEHONm9KTmPAiF7+zt8T5u+OVFOeO9Vkbv1bvScDyPA+EtQntgKEhUEaTkJ+falAmS6ou2utcz3lauDKA2tMs7Kxn9PkT8jqiVYZoBP8eppHm2CpE0y+lmH08MQqprs7C8fnjUtMEpZ645PqdTMgzGBHwA94bgn5PsW/89lx1/O0xA1wPOXgYcBEs0tPn+jX3hJAVecwqt4KX5D0LOq3WvbdIa4n+JC7DdO/c/Y1hHvnqxxZwI5FpB89uCVccqERCeAFZvG1efA== 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=HXEECLTd; dkim-atps=neutral; spf=pass (client-ip=2607:f8b0:4864:20::1031; helo=mail-pj1-x1031.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=HXEECLTd; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=2607:f8b0:4864:20::1031; helo=mail-pj1-x1031.google.com; envelope-from=mkchauras@gmail.com; receiver=lists.ozlabs.org) Received: from mail-pj1-x1031.google.com (mail-pj1-x1031.google.com [IPv6:2607:f8b0:4864:20::1031]) (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 4gw9tH196Zz2ygX for ; Wed, 08 Jul 2026 18:16:54 +1000 (AEST) Received: by mail-pj1-x1031.google.com with SMTP id 98e67ed59e1d1-3810c5d691bso327045a91.1 for ; Wed, 08 Jul 2026 01:16:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1783498613; x=1784103413; darn=lists.ozlabs.org; h=content-transfer-encoding:content-type:mime-version:message-id:date :subject:to:from:from:to:cc:subject:date:message-id:reply-to :content-type; bh=OKHyME7FzZLUkSII5idM6IXVqJSLJz+6sWzTPKllxxk=; b=HXEECLTd8bW1x5I+ur89plLxl6FN4FlLjq1qh6snYXArnEvpuUfBl0R4f9shB6/px2 oO+E/zcw1c8cAEIRi7FWa2WLjHSDE4MnsJPTYIKCaGS8Hw9Vs+GNMFNI7QQHG4+TT2lD U3YfFsvWRIQPpr7ypPc1qUonzYrDUuImfLLjbBIO6moIKjwZtb7tdNzUqq811FZRDV94 +BvU3IHLZeGRsz3AMYUXjjktw4ICNyCWxAJqKX8GbAU40BITnWQoie5Aa2ymD9p++qPs ldHjh9eVg4SzVk+tP4NVqJl54pvv3QHLYBK+qr+DVaTSR5o4o2SiwA0ONZLStUNaBLHY dH/g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1783498613; x=1784103413; h=content-transfer-encoding:content-type:mime-version:message-id:date :subject:to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=OKHyME7FzZLUkSII5idM6IXVqJSLJz+6sWzTPKllxxk=; b=cDqUFw3Zipup0LFTx7GKmYgTS6yAtHyYEJ/JCIneAaBcQEa+KVxS2lWrDtIrUMZgk0 12ui75hftjQsTksWk06hC5eoYtxpdi4fJsYXss+ZefI4k+uVCaWxCPy6R4SddO9FRbfN ACNBWdAx8lb7AgnzxOzEVkTbAoyRTW2w0Ibw4YQ3gnkFACSthpODpUS/kBIBEqYKOxV/ vVFDU8Z9hAinYV2jEMy1NK40mWSgKaAKY+AVppo/zert6hhA53a0lwb/lYZMXA1HFTws YSXqA3pSnLqYBvdXx57fnkn6hPajPmmdCo+T665OGY4Z5XgS5A3yCRyQvgeyUpHod1WV 6I/Q== X-Forwarded-Encrypted: i=1; AHgh+Ro40lJ5J9ufZ+u3IDHt4+U5WYb7ofqqk9lhRf35RLLOiDPHqPMDqxfR3Uyl4WO7cIEgILnfWovrgfslVuc=@lists.ozlabs.org X-Gm-Message-State: AOJu0Yxtd8mE47nHqxq1cr99a5PDuy+mWXrpt2dd0JmCO3tgpDvRnQpb nEllYcDSTKGR+6a93AfFgmT79CJLi1lMOmh1eOhTrqsW7zL/Nc1wpa9S X-Gm-Gg: AfdE7cmpdX/S3JwGgMZl/6EuSMT6mFKwaWhYYmfXStivtgvsIziA+pCcdHIX22EqcVI 1Xls5gwXO7QzWYawvprHBgsgMF+UP+js6uhuqhx1GDyOFzjhdnwrTxazsyMahFYGuFWTZzyRgzc Pst2i45rs499532KKxjaLgpD4xhpW7FU4ZJ2Gft2h8bMvNVsF/FI4gv/GWM+FbJtiaGkcrRPry2 a6XiPK14b7TMfggZvLhoeCG7S/qK6RXfd/pPkTUBOvT03N7oPEVIYHflB0jSBdxGGTGtkwKzrmj u5pmiBWh3rXxAsOTuXEtIDCB0SXPEjrm/G37VAK8kjdq+e3tuP1THdZU+4JM8zAa/jv8ELkyBr+ Z6TNtfLSHF4ki62efxN04KklbOkplwwo/662WoTpJJvzHxa5mrY+tZJZ6JrpW1ZnAS/1k81soUB O8hZ+buEcbtILjptrobZPUfEV8sqOuFlBX2qo/Avu4SSUYj/+FpoS9OZQd1w5QFDsCdg== X-Received: by 2002:a17:90b:4b11:b0:381:270c:4dd1 with SMTP id 98e67ed59e1d1-38941201e18mr1717208a91.20.1783498612611; Wed, 08 Jul 2026 01:16:52 -0700 (PDT) Received: from li-1a3e774c-28e4-11b2-a85c-acc9f2883e29.ibm.com.com ([106.51.160.236]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3117483e0a2sm16346132eec.12.2026.07.08.01.16.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Jul 2026 01:16:52 -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, oleg@redhat.com, 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, daniel.almeida@collabora.com, tamird@kernel.org, acourbot@nvidia.com, work@onurozkan.dev, nathan@kernel.org, ndesaulniers@google.com, morbo@google.com, justinstitt@google.com, msuchanek@suse.de, mkchauras@gmail.com, sshegde@linux.ibm.com, mchauras@linux.ibm.com, thuth@redhat.com, segher@kernel.crashing.org, ryan.roberts@arm.com, fujita.tomonori@gmail.com, joelagnelf@nvidia.com, prafulrai522@gmail.com, gregkh@linuxfoundation.org, nsc@kernel.org, japo@linux.ibm.com, lyude@redhat.com, lina+kernel@asahilina.net, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, llvm@lists.linux.dev Subject: [PATCH V17 0/8] Rust Support for powerpc Date: Wed, 8 Jul 2026 13:46:25 +0530 Message-ID: <20260708081633.1248382-1-mkchauras@gmail.com> X-Mailer: git-send-email 2.55.0 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: V16 -> V17: - Rebased to latest v7.2-rc2 V15 -> V16: - Rebased to latest v7.1-rc4 V15: https://lore.kernel.org/all/20260426105932.2270364-1-mkchauras@gmail.com/ V14 -> V15: - Fix an issue with rustdoc build on ppc64le V14: https://lore.kernel.org/all/20260426085725.2090827-1-mkchauras@gmail.com/ 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-mkchauras@gmail.com/ 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-mkchauras@gmail.com/ V11 -> V12: - Rebased to mainline (rust/Makefile conflict resolved) V11: https://lore.kernel.org/all/20260417152253.2312961-1-mkchauras@gmail.com/ 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-mkchauras@gmail.com/ 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-mkchauras@gmail.com/ 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 V1: https://lore.kernel.org/all/20260204042417.83903-1-mkchauras@gmail.com 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