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[103.168.172.200]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-88d997aeff4sm338510706d6.29.2026.01.02.23.52.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Jan 2026 23:52:34 -0800 (PST) Received: from phl-compute-05.internal (phl-compute-05.internal [10.202.2.45]) by mailfauth.phl.internal (Postfix) with ESMTP id 8DB69F40068; Sat, 3 Jan 2026 02:52:34 -0500 (EST) Received: from phl-frontend-03 ([10.202.2.162]) by phl-compute-05.internal (MEProxy); Sat, 03 Jan 2026 02:52:34 -0500 X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeefgedrtddtgdeltdellecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpuffrtefokffrpgfnqfghnecuuegr ihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjug hrpeffhffvvefukfhfgggtuggjsehttdortddttddvnecuhfhrohhmpeeuohhquhhnucfh vghnghcuoegsohhquhhnrdhfvghnghesghhmrghilhdrtghomheqnecuggftrfgrthhtvg hrnhepvdejleeukeekudfhieegjeduteffkeevleeuieevffefieduuddtveettdeugfdv necuffhomhgrihhnpehruhhsthdqlhgrnhhgrdhorhhgpdhkvghrnhgvlhdrohhrghenuc evlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpegsohhquhhn odhmvghsmhhtphgruhhthhhpvghrshhonhgrlhhithihqdeiledvgeehtdeigedqudejje ekheehhedvqdgsohhquhhnrdhfvghngheppehgmhgrihhlrdgtohhmsehfihigmhgvrdhn rghmvgdpnhgspghrtghpthhtohepudefpdhmohguvgepshhmthhpohhuthdprhgtphhtth hopehgrghrhiesghgrrhihghhuohdrnhgvthdprhgtphhtthhopehfuhhjihhtrgdrthho mhhonhhorhhisehgmhgrihhlrdgtohhmpdhrtghpthhtohepohhjvggurgeskhgvrhhnvg hlrdhorhhgpdhrtghpthhtoheprgdrhhhinhgusghorhhgsehkvghrnhgvlhdrohhrghdp rhgtphhtthhopegrlhhitggvrhihhhhlsehgohhoghhlvgdrtghomhdprhgtphhtthhope gsjhhorhhnfegpghhhsehprhhothhonhhmrghilhdrtghomhdprhgtphhtthhopegurghk rheskhgvrhhnvghlrdhorhhgpdhrtghpthhtoheplhhoshhsihhnsehkvghrnhgvlhdroh hrghdprhgtphhtthhopehtmhhgrhhoshhssehumhhitghhrdgvughu X-ME-Proxy: Feedback-ID: iad51458e:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Sat, 3 Jan 2026 02:52:32 -0500 (EST) Date: Sat, 3 Jan 2026 15:52:30 +0800 From: Boqun Feng To: Gary Guo Cc: FUJITA Tomonori , ojeda@kernel.org, a.hindborg@kernel.org, aliceryhl@google.com, bjorn3_gh@protonmail.com, dakr@kernel.org, lossin@kernel.org, tmgross@umich.edu, acourbot@nvidia.com, rust-for-linux@vger.kernel.org, linux-arch@vger.kernel.org Subject: Re: [PATCH v2 0/2] Add atomic bool support Message-ID: References: <20260101034922.2020334-1-fujita.tomonori@gmail.com> <20260102112000.714ac16d.gary@garyguo.net> Precedence: bulk X-Mailing-List: linux-arch@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: <20260102112000.714ac16d.gary@garyguo.net> On Fri, Jan 02, 2026 at 11:20:00AM +0000, Gary Guo wrote: > On Thu, 1 Jan 2026 12:49:20 +0900 > FUJITA Tomonori wrote: > > > This adds `bool` support to the Rust LKMM atomics. > > > > Rust specifies that `bool` has size 1 and alignment 1 [1], so it can > > be represented using an `i8` backing type. > > > > [1] https://doc.rust-lang.org/reference/types/boolean.html > > > > v2: > > - remove AtomicImpl > > - remove Safety comment about the bit patterns > > - remove from_ptr() comment in cover letter > > v1: https://lore.kernel.org/rust-for-linux/20251230045028.1773445-1-fujita.tomonori@gmail.com/ > > > > Reviewed-by: Gary Guo > Queued with the unnecessary impl AtomicIpml removed, thank you both! Regards, Boqun > Thanks! > > - Gary > > > > > FUJITA Tomonori (2): > > rust: sync: atomic: Add atomic bool support via i8 representation > > rust: sync: atomic: Add atomic bool tests > > > > rust/kernel/sync/atomic/internal.rs | 1 + > > rust/kernel/sync/atomic/predefine.rs | 27 +++++++++++++++++++++++++++ > > 2 files changed, 28 insertions(+) > > > > > > base-commit: dafb6d4cabd044ccd7e49cea29363e8526edc071 >