From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 6C83F3D4115; Mon, 9 Mar 2026 15:54:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773071662; cv=none; b=eSM+ZCWYDD+nDBNiZfEYqLxGqR9KTNLHnT/yd4UE0ikgUfmiaBwRR0/wMdlceLtEq/p0bkMSswJx/kNAHd5wIQXePbT0BIvZj6zVCNLYclfn/FuZCR7FbDbAJyZL9TM7WwqcLPUpXwTA/NgsnKtrW765H/6Z76aRiVYTxSluioM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773071662; c=relaxed/simple; bh=ocMdYWfcp/pmxMibgxaBxKgoTLXfmu/ergtQ+1llIZk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=SYnzvtkUzg0vVXxl7QSDfd8Sf8KrzfLdtNWEOUquW9Psk6tDteFIvsQg/ldtl5iUkB+33dA+edvhG9jpkBU0lpr9oIBmq3N0fq/P/p6Oohxi6dbEKvCQPJaWg/AdfOm0T2KaDJ+MLlAjxyyA3d137BBSPxX0n7hYxVNSwWZRRvM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KPO47+Ug; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="KPO47+Ug" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 85E87C2BC86; Mon, 9 Mar 2026 15:54:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773071662; bh=ocMdYWfcp/pmxMibgxaBxKgoTLXfmu/ergtQ+1llIZk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=KPO47+Ugn9I0KaSSJTAgmn/ZXbTt6giPJshXINfGmSjy/NLmd7nh5m1gpZB8lpKvL yKsOyl+Af4xxh0NPJ1IzKnDOMjsGMhk8G95Yhwnby7ppc+trLQ4/ek0qUqU1Vi3J4+ g2yuCEDa9fo0m6BPchY0TROgMLkAMlOsE0WSxxJKURQ5prMOdjTAfNYOJzWfd1fZxq iYMg4Qpv1Mj9EEwvxTLOQIb9NHNpsfXhgE6/20q0BminNavqVJ5CxN37VW8b7KpgcI YrVlIdfjyu5De+hhWKt40taqFV4AXIZl6NU1Z8s+yv77P1RBxJSWL+IXYgIlPtikSK hvoalv0PZtRKg== Received: from phl-compute-10.internal (phl-compute-10.internal [10.202.2.50]) by mailfauth.phl.internal (Postfix) with ESMTP id 9BED8F40068; Mon, 9 Mar 2026 11:54:20 -0400 (EDT) Received: from phl-frontend-03 ([10.202.2.162]) by phl-compute-10.internal (MEProxy); Mon, 09 Mar 2026 11:54:20 -0400 X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeefgedrtddtgddvjeekheefucetufdoteggodetrf dotffvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfurfetoffkrfgpnffqhgenuceu rghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujf gurhepfffhvfevuffkfhggtggujgesthdtredttddtvdenucfhrhhomhepuehoqhhunhcu hfgvnhhguceosghoqhhunheskhgvrhhnvghlrdhorhhgqeenucggtffrrghtthgvrhhnpe elueehtefhtddtgfejvdejueehhfekteevueeuueekgeetieeggeehvdffhefhhfenucff ohhmrghinhepkhgvrhhnvghlrdhorhhgnecuvehluhhsthgvrhfuihiivgeptdenucfrrg hrrghmpehmrghilhhfrhhomhepsghoqhhunhdomhgvshhmthhprghuthhhphgvrhhsohhn rghlihhthidqudeijedtleekgeejuddqudejjeekheehhedvqdgsohhquhhnpeepkhgvrh hnvghlrdhorhhgsehfihigmhgvrdhnrghmvgdpnhgspghrtghpthhtohepudeipdhmohgu vgepshhmthhpohhuthdprhgtphhtthhopehpvghtvghriiesihhnfhhrrgguvggrugdroh hrghdprhgtphhtthhopeifihhllheskhgvrhhnvghlrdhorhhgpdhrtghpthhtohepmhgr rhhkrdhruhhtlhgrnhgusegrrhhmrdgtohhmpdhrtghpthhtohepohhjvggurgeskhgvrh hnvghlrdhorhhgpdhrtghpthhtohepghgrrhihsehgrghrhihguhhordhnvghtpdhrtghp thhtohepsghjohhrnhefpghghhesphhrohhtohhnmhgrihhlrdgtohhmpdhrtghpthhtoh eplhhoshhsihhnsehkvghrnhgvlhdrohhrghdprhgtphhtthhopegrrdhhihhnuggsohhr gheskhgvrhhnvghlrdhorhhgpdhrtghpthhtoheprghlihgtvghrhihhlhesghhoohhglh gvrdgtohhm X-ME-Proxy: Feedback-ID: i8dbe485b:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Mon, 9 Mar 2026 11:54:20 -0400 (EDT) Date: Mon, 9 Mar 2026 08:54:19 -0700 From: Boqun Feng To: Peter Zijlstra Cc: Will Deacon , Mark Rutland , Miguel Ojeda , Gary Guo , =?iso-8859-1?Q?Bj=F6rn?= Roy Baron , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , Thomas Gleixner , Ingo Molnar , rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [GIT PULL] [PATCH 00/13] Rust atomic changes for v7.1 Message-ID: References: <20260303201701.12204-1-boqun@kernel.org> 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=us-ascii Content-Disposition: inline In-Reply-To: <20260303201701.12204-1-boqun@kernel.org> On Tue, Mar 03, 2026 at 12:16:48PM -0800, Boqun Feng wrote: > Hi Peter, > > Please pull these changes of Rust atomic in v7.1 into tip/locking/core. > Major changes are the atomic pointer support and a boolean-like > AtomicFlag type (using a byte if arch support efficient xchg/cmpxchg > over bytes otherwise 4 bytes). Thanks! > Gentle ping ;-) Thanks! Regards, Boqun > Regards, > Boqun > > > The following changes since commit 3dcef70e41ab13483803c536ddea8d5f1803ee25: > > ww-mutex: Fix the ww_acquire_ctx function annotations (2026-02-27 16:40:20 +0100) > > are available in the Git repository at: > > git://git.kernel.org/pub/scm/linux/kernel/git/boqun/linux.git tags/rust-atomic.20260303a > > for you to fetch changes up to 68d1c8ac7f0b1f0de92a803b9b71090fd1b86d17: > > rust: atomic: Update a safety comment in impl of `fetch_add()` (2026-03-03 11:55:57 -0800) > > ---------------------------------------------------------------- > Rust atomic changes for v7.1 > > * Add Atomic support. > * Add an AtomicFlag type for boolean-like usage with > architecture-specific performance optimization. > * Add unsafe atomic operations over raw pointers. > * Add `fetch_sub()` for atomic types. > * Documentation and example improvements. > -----BEGIN PGP SIGNATURE----- [...]