From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f74.google.com (mail-wm1-f74.google.com [209.85.128.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3CA973368B1 for ; Tue, 17 Mar 2026 06:47:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773730039; cv=none; b=YbbSdmxumtFSaLecRwgAn7Xyp24rIHBDB7wBge5Kk/saphf8lk78i0ZIyBYM9YGPfFiAjE6U+N/9sox7q8TilvCjCIqhvuVh78a1xhsfHzpnSp88LCRisk9ZvIYwA8nMhhfunrK7ePTc4UUJI/wcXkcyhbI4ZyHYH4KYLKAU5fE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773730039; c=relaxed/simple; bh=xgF1LFYaYos4BSjAvKO5sCMhdKO6UYeNzPHvYUAYG5w=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=aWEQXtIrFo9wfqR6Sku4IBvq5R9KxJt+N4mVe8R94sqo9fsxnpyxnmhMJOh2jcr1EbpyKy1HOMFch0JgPM0Jdu8sb+4o+o6hiAPJ/20hh5ham0tNTKrmvhvGlHrjuOH0TiRzyZ2+6tde76AgFOk6/BOIkRFy3dVSehqxN4AA9/A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--aliceryhl.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=gVFTTUsV; arc=none smtp.client-ip=209.85.128.74 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--aliceryhl.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="gVFTTUsV" Received: by mail-wm1-f74.google.com with SMTP id 5b1f17b1804b1-485c45885e6so2049195e9.0 for ; Mon, 16 Mar 2026 23:47:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1773730035; x=1774334835; darn=lists.linux.dev; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=+LfXYyK2K5YV7GwOcQbmsbmYUjdllavbSwogkW6CuYU=; b=gVFTTUsVNdSDuQRwNvEVGPJZXQ838yKvWKtmprSq/DHH/fc9p5000T8UiBhqDk3jYb hO7gKn9HBnbCE1pINfRs5UdXNlbLhDfyhbXeoKRgZFLXhEQ3Jw3tBx+KlJxlO6nc/cVT gJ77Z6oKrzg88Oi1v9b5Gc7tBUSk5vL3AFhHbJjptsltnBqFR9+1ZAnLLD9SCiQxh6rW BwLHbDmjUukIe7prWBVIofGgkUQ5KUptuhkmzOpvOKXYHU4ecv5tj54KAjBiH29cUgKU mVdiHyBviXxGNmW0iG2PLxIETRhhVxPBFRgUUlIEl8agU9zLvbZlDICGDX2/CN8BeO+e QCfg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1773730035; x=1774334835; 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=+LfXYyK2K5YV7GwOcQbmsbmYUjdllavbSwogkW6CuYU=; b=WXJxwejPmVptGF6TAw3wXgOvwqMSGLGFwFuVPeGXJfhgFo7mcuc7mIulBK1ANw+1bZ an1bvYgghdp+frhavzG1sFoD+WnwBjWs+b0BKy+DRApH6afpO18grJFXwGjH5/Z3gA0n pJpReBUQpEuCNTrHgR4d6OJy7zDwdeIEvpIRZorWOsFBVCMZrVi3lPL5TL89zUYahKND XEcuDTAIp4VKaH5yeTcFPU9DARqwNcwSpD0KWTGVxoR1u+ivF9FNRZ+5vARNYfrDzBa7 tUPF9vBs4vD6y6mBP7/AW1CqcX9fwtimPgPJfFdSdzLt0HNrkj+8B4whtP1v7CZr5C7d paWQ== X-Forwarded-Encrypted: i=1; AJvYcCVbvKwX2RNzy7zSpnY4ydLoRa0SZJfpuFemC/c8p8kZyCcvLYo/QQ0oKgTidD2bm/LPKduxtfvoYE2EYA==@lists.linux.dev X-Gm-Message-State: AOJu0Yxx8xo5nQjm6Ltgh4r+a6LcqXT7XSA8B+bcAmeXXl6eMSxPz0T4 dAOdprXLswmTBpgBGAXsPhspzcBiKGrSGTrabKuz3rqR3CmOnDfQWrVG/dCklN95KEynE6S/8IM 9NXGRCkpQpRFlTbuMtg== X-Received: from wmpj3.prod.google.com ([2002:a05:600c:4883:b0:483:509d:729b]) (user=aliceryhl job=prod-delivery.src-stubby-dispatcher) by 2002:a05:600c:8a0c:20b0:485:54cd:6e4e with SMTP id 5b1f17b1804b1-485566facebmr200570335e9.18.1773730035474; Mon, 16 Mar 2026 23:47:15 -0700 (PDT) Date: Tue, 17 Mar 2026 06:47:14 +0000 In-Reply-To: <20260303162314.94363-4-dakr@kernel.org> Precedence: bulk X-Mailing-List: driver-core@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260303162314.94363-1-dakr@kernel.org> <20260303162314.94363-4-dakr@kernel.org> Message-ID: Subject: Re: [PATCH 3/8] rust: dma: add zeroed constructor to `Coherent` From: Alice Ryhl To: Danilo Krummrich Cc: acourbot@nvidia.com, ojeda@kernel.org, boqun@kernel.org, gary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org, a.hindborg@kernel.org, tmgross@umich.edu, abdiel.janulgue@gmail.com, daniel.almeida@collabora.com, robin.murphy@arm.com, driver-core@lists.linux.dev, nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org, rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" On Tue, Mar 03, 2026 at 05:22:54PM +0100, Danilo Krummrich wrote: > From: Gary Guo > > These constructors create a coherent container of a single object > instead of slice. They are named `zeroed` and `zeroed_with_attrs` to > emphasis that they are created initialized zeroed. It is intended that > there'll be new constructors that take `PinInit` instead of zeroing. > > Signed-off-by: Gary Guo > Signed-off-by: Danilo Krummrich Reviewed-by: Alice Ryhl