From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f54.google.com (mail-wm1-f54.google.com [209.85.128.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 281D12AEE1; Sun, 11 May 2025 18:21:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.54 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746987716; cv=none; b=ecLg/l5Fc7mMV3HHwjFFxao+w8fYLBTI5oX8OuSSGouvt+cV9uXUfHs2OZRTzxBc9bgwTWiHljNyv+HeAnaZsBEbRNbUTD7hDyZgZFOjcjcbpPkGfPmrCqbF/bGM5FocOtThYtfqDsZ9PgphLBtC3uEuDNn54RpBdSB45Md6adA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746987716; c=relaxed/simple; bh=OQU/MiZE+lT78EcpBRSF2Uz+WZgrmhl5vkUnIF/lTd8=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=WuNPPj55ZVRGjAnlqD6q3BGXXnZ0itHfLTVb2mP4ikeZ6WmzRfKRQHNYAKKgyI+O7ffUTT0d4VxRWhM9C+vU4YRPtnvCP5cX0g1nA/eDy8SPesSWOIHILMA5dRnoLatjWXu0eWrKWb+2dSCR77Gdw5D6iKdPRUEckhLTLVBdTCE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=ZVBypxH4; arc=none smtp.client-ip=209.85.128.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ZVBypxH4" Received: by mail-wm1-f54.google.com with SMTP id 5b1f17b1804b1-43cf05f0c3eso22094315e9.0; Sun, 11 May 2025 11:21:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1746987712; x=1747592512; darn=vger.kernel.org; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:from:to:cc:subject:date:message-id:reply-to; bh=mZ0kQFFRJhlcfHJoNQHTfxXn8KRZzMbJfL2Nt0WYTos=; b=ZVBypxH4hFNzo1OZSZgpMrBwgpfNVRw7inZDuQimf7CyfqBakHQWqDQENoF5B+WnwT KnrzOBNtprUCIxtqvp0Wp+FCXMzXNsEtiOZeDd+lkzvbEpwoQkYj78ktPo7/w317D1DK fQZw0ixTSNLNphpyYNviLXRc1oe0hY/+/gIzXSDT2OwV4Te8HmjqLxZene6aHjqb0O1h NhaR5FGDKbJnxa77I2HLdv8BTKZySSjTpgHe3BzTym/Ls7gLktLydpRanQglcKVRFqR2 MXSnmQODXW6/FAUOcokMWIe5o9tFQZkIcyBvsE4PG0bOCfaBQxuC0iA6ABDSWqVORjt4 AR6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1746987712; x=1747592512; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=mZ0kQFFRJhlcfHJoNQHTfxXn8KRZzMbJfL2Nt0WYTos=; b=Z6b0tDMse+GVGm/F7/ehbn9JBg0y2Xme13KEliYqcNwyCrZa1ZJ+/TlQVIW8vEDgAn zx/z2r/as1ef6JYkDo7i9LXtJjsNmEzy1tOwFlJlvtf8XK8TLENeJP4nbGjGfkk6Vb1L qvz6ZpeTnDRemNNxIrDpjpj8Zlha4rUvvPw1cjRL8MOmw+LqShjSAwxU7aT+xxZyjiNK 4uCczpZbWaWUW71w2wl19BXXNYFvRrYDBcelF5bDLVTu5mR5379OcWEy0Az8kcDX3ZE/ q+6ipZxbyKhzjuhTDRvwcXfqGSZ4bjmcbhjVrgdLyoiSJcmXMvuDSvPq6k7cwHjnjfMb sW5A== X-Forwarded-Encrypted: i=1; AJvYcCXKz12HboZQCl17MP5i8/hGuRG+EV84VmH45fxN+6kTetx1dZMPahSzXup+ZKdjPUfJkIwSSRuHlwhZaVMGVA==@vger.kernel.org X-Gm-Message-State: AOJu0Yy+6v/Hpza2O2JNupMvXK+/oKvhjd445LE9iMIUefzpCiEbX7dQ 2TF7682Z43+0U3LWbTVNSrmAqLd1oaqkMhWky79FXD3yz7bufRsK X-Gm-Gg: ASbGncsU5E9JmHZr3ykIgNHkMFBwh1wlGB77Pd3LtVlcrpR6ardsu3PcD5F+itmNnwF QOU9Jk2MLuaR24p22hzcz3z2JZZKI7nSqmrEgkFopQfQ70KuyX+7h52CVl2gc0vjGqtLGVRo+lL ZZFXAiqFYJnl2gAvsRg/5sZbE8998FFMkXFh32hTLVu5vb0QzZGH4V6qyoG1ObMLLG4LL+iY6Hj twcbrb/JoK5lLXKwsfvwUFj3CYaaMvFnpnxPobkIyNdfECrxZld0fZwnFZPe7Kkce2IqMQJqOap Ppvy6CNdEmNtk9WkYpGzlN5/iLPtQKuPGowL7A4= X-Google-Smtp-Source: AGHT+IEedUo0JnIyvB+xFL02RSn4lSVKbzxYFR8cCI0p+JgetbwSYY+hM3hU0Kr1wgriVJhQ9olIlg== X-Received: by 2002:a05:600c:c18:b0:43d:82c:2b11 with SMTP id 5b1f17b1804b1-442d6dc7ce7mr80549435e9.23.1746987712257; Sun, 11 May 2025 11:21:52 -0700 (PDT) Received: from [10.0.1.56] ([2001:871:22a:99c5::1ad1]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-442d67d5c7bsm100418495e9.4.2025.05.11.11.21.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 11 May 2025 11:21:51 -0700 (PDT) From: Christian Schrefl Subject: [PATCH v4 0/3] rust: add `UnsafePinned` type Date: Sun, 11 May 2025 20:21:37 +0200 Message-Id: <20250511-rust_unsafe_pinned-v4-0-a86c32e47e3d@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIALHqIGgC/33Q2wrCMAwG4FeRXltperCdV76HiIw2nQXttN2GI nt36wEUGV7+CflCciMZU8BMVrMbSTiEHNpYgpzPiN3XsUEaXMmEM66YBENTn7tdH3PtcXcKMaK jpgJnkevSdqQMnhL6cHmim23J+5C7Nl2fOwZ4VP9yA1CgVlqtlBFV5c26OdbhsLDtkTy4gX8Rg k0SnDLqrVmCrrVkXP4S4kMomCZEIZS2CAqAC199E+PryoTnvnyse586jneD2LxQTwEAAA== X-Change-ID: 20250418-rust_unsafe_pinned-891dce27418d To: Sky , Miguel Ojeda , Alex Gaynor , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , =?utf-8?q?Gerald_Wisb=C3=B6ck?= , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt Cc: linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, llvm@lists.linux.dev, Christian Schrefl , Benno Lossin X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1746987711; l=2125; i=chrisi.schrefl@gmail.com; s=20250119; h=from:subject:message-id; bh=OQU/MiZE+lT78EcpBRSF2Uz+WZgrmhl5vkUnIF/lTd8=; b=nI4QpPmvG+e68Xcuk6TCzr//BZzS8dD3iJ1+NjwZ0fHhMa+3ZLXlhzDpkhzD8kIieZGm7tUg3 pmCGq3XM31iCx7aLSPTYclz3sA4wPVTL7ug9a2sTHvp1HcP5fGzmhpS X-Developer-Key: i=chrisi.schrefl@gmail.com; a=ed25519; pk=EIyitYCrzxWlybrqoGqiL2jyvO7Vp9X40n0dQ6HE4oU= This version now only has the kernel implementation without the config flag for using the upstream version. Additionally now commits for using `UnsafePinned` in `Opaque` were added. Checkpatch warns about `rust/kernel/types/unsafe_pinned.rs` missing a MAINTAINERS entry. This should be fine because it will be included in the RUST entry. This patchset is based on the pin-init-next branch. Signed-off-by: Christian Schrefl --- Changes in v4: - Reworked `UnsafePinned::add` doctest to not use get_mut_unchecked. - Link to v3: https://lore.kernel.org/r/20250510-rust_unsafe_pinned-v3-0-57ce151123f9@gmail.com Changes in v3: - Dropped CONFIG_RUSTC_HAS_UNSAFE_PINNED and feature(unsafe_pinned) (Alice) - Add comment to `Opaque` reasoning about included `UnsafeCell` (Benno) - Small changes in commit message of Patch 3 (Benno) - Removed docs mentioning not included functions (Benno) - Removed docs mentioning implementation details and added that as comment instead (Benno) - Link to v2: https://lore.kernel.org/r/20250430-rust_unsafe_pinned-v2-0-fc8617a74024@gmail.com Changes in v2: - Expanded `UnsafePinned` documentation to describe differences with upstream rust implementation. - Removed config flag for using upstream `UnsafePinned` type. - Add patch implementing `Wrapper` for `Opaque` - Add patch for using `UnsafePinned` internally in `Opaque` - Link to v1: https://lore.kernel.org/r/20250418-rust_unsafe_pinned-v1-1-c4c7558399f8@gmail.com --- Christian Schrefl (3): rust: add UnsafePinned type rust: implement `Wrapper` for `Opaque` rust: use `UnsafePinned` in the implementation of `Opaque` rust/kernel/revocable.rs | 2 + rust/kernel/types.rs | 45 ++++++++------- rust/kernel/types/unsafe_pinned.rs | 111 +++++++++++++++++++++++++++++++++++++ 3 files changed, 138 insertions(+), 20 deletions(-) --- base-commit: 9de1a293c8ece00d226b21a35751ec178be2a9fa change-id: 20250418-rust_unsafe_pinned-891dce27418d Best regards, -- Christian Schrefl