From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from forward103d.mail.yandex.net (forward103d.mail.yandex.net [178.154.239.214]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D668B149C4A; Sat, 21 Jun 2025 18:45:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.154.239.214 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750531527; cv=none; b=AUXOHnvelg/hg4vuLKsjMCx49AMO9FLDcWL/GXgCLrnzf8CAi+Nix0dA7soX2CLi2qevhrRtx+EMH47LVlhzLVTFIOAOLvezdo4BlrQo6Li7NRyLwzPEyjJHYPzcKmtDee1A2BXX+XhSH1BKGq/iT2Rlvy8bXkwf93O/8nEFCDg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750531527; c=relaxed/simple; bh=EPH9TacDmE9Fp/+SEdc4uLz1EQ5MU3aIm7LfuPjXPCU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=KaY+iSKUl7TeVeTOxF5I6HBiSNcn7W9ZXu/c78faZpmlopE0QRLhhbCJGSMrUOvZP4pZqYsTFDtZQJvhVJ1vEWH9fYq1UCAuNNViKQs2cv7LEG5aqJotB1pGMXTY4Ew7PE8dZbU8w4pYYgr5MS8emrghbzDlXyRXLtMONAwfTiQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=onurozkan.dev; spf=pass smtp.mailfrom=onurozkan.dev; dkim=pass (1024-bit key) header.d=onurozkan.dev header.i=@onurozkan.dev header.b=CqK2RUoR; arc=none smtp.client-ip=178.154.239.214 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=onurozkan.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=onurozkan.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=onurozkan.dev header.i=@onurozkan.dev header.b="CqK2RUoR" Received: from mail-nwsmtp-smtp-production-main-91.iva.yp-c.yandex.net (mail-nwsmtp-smtp-production-main-91.iva.yp-c.yandex.net [IPv6:2a02:6b8:c0c:3b23:0:640:a115:0]) by forward103d.mail.yandex.net (Yandex) with ESMTPS id EBEE560054; Sat, 21 Jun 2025 21:45:15 +0300 (MSK) Received: by mail-nwsmtp-smtp-production-main-91.iva.yp-c.yandex.net (smtp/Yandex) with ESMTPSA id uiVAZ68LnCg0-adjaq8xB; Sat, 21 Jun 2025 21:45:14 +0300 X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=onurozkan.dev; s=mail; t=1750531514; bh=FO4/7sIzGFtwBEeczhfkiWra8SPWgfFtZRngsaliNA4=; h=Message-ID:Date:Cc:Subject:To:From; b=CqK2RUoRa5JyLFAnth5xl0wvBV2nzK76louA1K1msprC46CUTgBkSlcUGYz+5X5Yx OxKM51oY3+D0rCNCpdgYQGsWr7rHn77oVu7TYQZ6V6HoOI2aN6foUd0Uu5qI9oRFTi Bqd4ABbcmU0SwDzAp3jXaRbFDat0xPxQWjo2bIuM= Authentication-Results: mail-nwsmtp-smtp-production-main-91.iva.yp-c.yandex.net; dkim=pass header.i=@onurozkan.dev From: =?UTF-8?q?Onur=20=C3=96zkan?= To: linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org Cc: ojeda@kernel.org, alex.gaynor@gmail.com, boqun.feng@gmail.com, gary@garyguo.net, lossin@kernel.org, a.hindborg@kernel.org, aliceryhl@google.com, tmgross@umich.edu, dakr@kernel.org, peterz@infradead.org, mingo@redhat.com, will@kernel.org, longman@redhat.com, felipe_life@live.com, daniel@sedlak.dev, bjorn3_gh@protonmail.com, =?UTF-8?q?Onur=20=C3=96zkan?= , Lyude Subject: [PATCH v5 0/3] rust: add `ww_mutex` support Date: Sat, 21 Jun 2025 21:44:51 +0300 Message-ID: <20250621184454.8354-1-work@onurozkan.dev> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch series implements Rust abstractions for kernel's wound/wait mutex (ww_mutex) implementation. Changes in v5: - Addressed documentation review notes. - Removed `unwrap()`s in examples and KUnit tests. Suggested-by: Lyude Link: https://rust-for-linux.zulipchat.com/#narrow/channel/291566-Library/topic/Writing.20up.20wrappers.20for.20ww_mutex.3F/with/524269974 Onur Özkan (3): rust: add C wrappers for `ww_mutex` inline functions implement ww_mutex abstraction for the Rust tree add KUnit coverage on Rust `ww_mutex` implementation rust/helpers/helpers.c | 3 +- rust/helpers/ww_mutex.c | 39 +++ rust/kernel/error.rs | 1 + rust/kernel/sync/lock.rs | 1 + rust/kernel/sync/lock/ww_mutex.rs | 541 ++++++++++++++++++++++++++++++ 5 files changed, 584 insertions(+), 1 deletion(-) create mode 100644 rust/helpers/ww_mutex.c create mode 100644 rust/kernel/sync/lock/ww_mutex.rs -- 2.49.0