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[103.168.172.200]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-502f7f8702fsm9798031cf.28.2026.01.22.21.54.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jan 2026 21:54:48 -0800 (PST) Received: from phl-compute-02.internal (phl-compute-02.internal [10.202.2.42]) by mailfauth.phl.internal (Postfix) with ESMTP id 6D9CDF40068; Fri, 23 Jan 2026 00:54:47 -0500 (EST) Received: from phl-frontend-04 ([10.202.2.163]) by phl-compute-02.internal (MEProxy); Fri, 23 Jan 2026 00:54:47 -0500 X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeefgedrtddtgddugeekvdehucetufdoteggodetrf dotffvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfurfetoffkrfgpnffqhgenuceu rghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujf gurhepfffhvfevuffkfhggtggujgesthdtredttddtvdenucfhrhhomhepuehoqhhunhcu hfgvnhhguceosghoqhhunhdrfhgvnhhgsehgmhgrihhlrdgtohhmqeenucggtffrrghtth gvrhhnpefhtedvgfdtueekvdekieetieetjeeihedvteehuddujedvkedtkeefgedvvdeh tdenucffohhmrghinhepkhgvrhhnvghlrdhorhhgnecuvehluhhsthgvrhfuihiivgeptd enucfrrghrrghmpehmrghilhhfrhhomhepsghoqhhunhdomhgvshhmthhprghuthhhphgv rhhsohhnrghlihhthidqieelvdeghedtieegqddujeejkeehheehvddqsghoqhhunhdrfh gvnhhgpeepghhmrghilhdrtghomhesfhhigihmvgdrnhgrmhgvpdhnsggprhgtphhtthho pedvjedpmhhouggvpehsmhhtphhouhhtpdhrtghpthhtoheprhhushhtqdhfohhrqdhlih hnuhigsehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtoheplhhinhhugidqkhgv rhhnvghlsehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtoheprhgtuhesvhhgvg hrrdhkvghrnhgvlhdrohhrghdprhgtphhtthhopehojhgvuggrsehkvghrnhgvlhdrohhr ghdprhgtphhtthhopehgrghrhiesghgrrhihghhuohdrnhgvthdprhgtphhtthhopegsjh horhhnfegpghhhsehprhhothhonhhmrghilhdrtghomhdprhgtphhtthhopehlohhsshhi nheskhgvrhhnvghlrdhorhhgpdhrtghpthhtoheprgdrhhhinhgusghorhhgsehkvghrnh gvlhdrohhrghdprhgtphhtthhopegrlhhitggvrhihhhhlsehgohhoghhlvgdrtghomh X-ME-Proxy: Feedback-ID: iad51458e:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Fri, 23 Jan 2026 00:54:46 -0500 (EST) Date: Thu, 22 Jan 2026 21:54:45 -0800 From: Boqun Feng To: rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, rcu@vger.kernel.org Cc: Miguel Ojeda , Gary Guo , =?iso-8859-1?Q?Bj=F6rn?= Roy Baron , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , Will Deacon , Peter Zijlstra , Mark Rutland , "Paul E. McKenney" , Frederic Weisbecker , Neeraj Upadhyay , Joel Fernandes , Josh Triplett , Uladzislau Rezki , Steven Rostedt , Mathieu Desnoyers , Lai Jiangshan , Zqiang , FUJITA Tomonori , Dirk Behme Subject: Re: [PATCH v2 0/2] rust: sync: Atomic pointer Message-ID: References: <20260120140503.62804-1-boqun.feng@gmail.com> Precedence: bulk X-Mailing-List: rcu@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: <20260120140503.62804-1-boqun.feng@gmail.com> On Tue, Jan 20, 2026 at 10:05:01PM +0800, Boqun Feng wrote: > I've already queued the first 3 patches in v1, but comments on them are > welcome as well. The RCU pointer patch is not included in this v2 since > there is not much update and I'm still hoping to get some reviews on > that for another respin. > > Changes since v1: > > * Add a clarification patch of CONFIG_ARCH_SUPPORTS_ATOMIC_RMW as > suggested by Dirk and Benno. > > * Add support for Atomic<*const T>. > > v1: https://lore.kernel.org/rust-for-linux/20260117122243.24404-1-boqun.feng@gmail.com/ > Queued for v7.1, thanks you all! Regards, Boqun > Regards, > Boqun > > > Boqun Feng (2): > rust: sync: atomic: Clarify the need of > CONFIG_ARCH_SUPPORTS_ATOMIC_RMW > rust: sync: atomic: Add Atomic<*{mut,const} T> support > > rust/helpers/atomic_ext.c | 3 ++ > rust/kernel/sync/atomic.rs | 12 +++++++- > rust/kernel/sync/atomic/internal.rs | 37 ++++++++++++++-------- > rust/kernel/sync/atomic/predefine.rs | 46 ++++++++++++++++++++++++++++ > 4 files changed, 85 insertions(+), 13 deletions(-) > > -- > 2.51.0 >