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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 50A85EB64DC for ; Mon, 17 Jul 2023 13:53:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231732AbjGQNxU (ORCPT ); Mon, 17 Jul 2023 09:53:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57240 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231874AbjGQNxP (ORCPT ); Mon, 17 Jul 2023 09:53:15 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A2DA3D1 for ; Mon, 17 Jul 2023 06:53:14 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id 3f1490d57ef6-c6db61f7f64so4525187276.0 for ; Mon, 17 Jul 2023 06:53:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1689601994; x=1690206794; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=7a5j4gvhnG5mrdZ/F4z3dJKPADNbpn8JJt+6WIEe8sU=; b=lK2MzwZAd8EF2hJ82Wrids5Yon9GdRQhhNLfZ2ksqHpFJYE6J0xTMaiMwll8uAghz1 Q62+KB6AQNgPBSOKx8vtCAfk+h9fYbT/aJZn/4nhnPfduu7vlXDMKEg4WyZZ2FFixDoq oDgqbcwo0gIXZODKkk4NXKi3u+mZG5rGW28+W2IGOYejqkl9UHoT9i6jCSgrXCkd4SPQ i6d91L8Htl5aAkcJmprFUFouxpSIdoRyLSnLuX0qBZr0vhnT4QEuUyzkpgeOOV2dHqBb 5gTDJFFnbQho1EeFjkMi82uQfx7G3caOKn/DQAw/gzC/yuy69GoBodepUdF460PeP/1Z CrYA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689601994; x=1690206794; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=7a5j4gvhnG5mrdZ/F4z3dJKPADNbpn8JJt+6WIEe8sU=; b=mAl9wI3HdDRAHS203+yMZWX+P4IZlibteuCt/RVx2oFMaAjKSGDsQz8iu3YNfFH5hE keHJc1sbNa/G13KR4F57rpBLuqNxdIZYbMxAZnSLi27AoiVuNh9qy8aKYb1On2wU4I1O c3kcdXHsXjDZFEUI575Tict4GynrgNpPlHsOs8snVOsci1cfTmK90UYLrv9MBAX/0WOZ RNzVHiLr+YRf2PRU6QmXwzB6fdh+tawwVWKfF82xDwFrXomXJ/+iIpeK6Qw/aJ1VtC+U NnzfSI0w6c8cYNXbVd3QYD6uQWkvck1cUpe7LHtzxcbN4ErQXi3fj6o15dOH0UWNO0TE RkHw== X-Gm-Message-State: ABy/qLb4FywmJThSj/THpNjPdlIQ+qQ+UGJVR/wa1SjgXVNJDGbyPpNY qgn7hoHEmyTZ4R7d0fnAnFWKwq/pTgYzBnw= X-Google-Smtp-Source: APBJJlFqfJxS9tr9kwuqTLxh56qQM4RllSCU5YzQj4nW0duV/3DgusRHSW5nZK7P7bx+oV8x7DiAddAcyBASxqQ= X-Received: from aliceryhl.c.googlers.com ([fda3:e722:ac3:cc00:31:98fb:c0a8:6c8]) (user=aliceryhl job=sendgmr) by 2002:a25:2556:0:b0:c22:38c2:43de with SMTP id l83-20020a252556000000b00c2238c243demr96482ybl.11.1689601993768; Mon, 17 Jul 2023 06:53:13 -0700 (PDT) Date: Mon, 17 Jul 2023 13:53:11 +0000 In-Reply-To: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.41.0.255.g8b1d071c50-goog Message-ID: <20230717135311.1841165-1-aliceryhl@google.com> Subject: Re: [PATCH v3 4/9] rust: workqueue: add low-level workqueue bindings From: Alice Ryhl To: boqun.feng@gmail.com Cc: alex.gaynor@gmail.com, aliceryhl@google.com, benno.lossin@proton.me, bjorn3_gh@protonmail.com, gary@garyguo.net, jiangshanlai@gmail.com, linux-kernel@vger.kernel.org, nmi@metaspace.dk, ojeda@kernel.org, patches@lists.linux.dev, rust-for-linux@vger.kernel.org, tj@kernel.org, wedsonaf@gmail.com, yakoyoku@gmail.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: rust-for-linux@vger.kernel.org Boqun Feng writes: >> +// SAFETY: Kernel workqueues are usable from any thread. >> +unsafe impl Send for Queue {} >> +unsafe impl Sync for Queue {} > > I don't think "usable from any thread" is the accurate wording here, it > sounds to me that there are types that cannot be used for a particular > type of threads ;-) > > Maybe > > // SAFETY: Accesses to workqueues used by [`Queue`] are > // thread-safe. > > ? Sure, I'll make that change in the next version. Alice