From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-lf1-f47.google.com (mail-lf1-f47.google.com [209.85.167.47]) (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 307101F6698; Fri, 10 Jan 2025 08:07:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.47 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736496426; cv=none; b=FudqewOo81NlO+8tHnQUZFIt33pmb6mBW3WPZEgg3QvhsX7npV6IhBp0vsPjMLKDKuGzw8UXGK7zrc4DZmNBs4qvelfQI/mBY89Iv6EYrCkj4RpmUWiYorlHkrVQhcqtog+aJ/YE2oIlyccqf61QB9q9NOW9oX+/5soGib8rpxY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736496426; c=relaxed/simple; bh=S/07Lq4g6SQZA+O0TPG38HJaRNp1ftTFTV/q5XdL3AU=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=S2yVtTKbVuKMuRjmDspPhWLqxTf4t7/qqzONpVnop9FHlGBW72wB4gzpzYokWs/5Rb1wjL34XveFLEfWCNYdSVLVNdjYYKB55r0BfRgmoXY6Xl0jpyyALi+eYBrCTjJYNGckNst/PP5q3cWGKBjde8e9PcJc17TERkvsePoBv3g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=jRPCLjsu; arc=none smtp.client-ip=209.85.167.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="jRPCLjsu" Received: by mail-lf1-f47.google.com with SMTP id 2adb3069b0e04-53e3a227b82so1556503e87.0; Fri, 10 Jan 2025 00:07:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1736496423; x=1737101223; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=iaIJAYfUAcAAsckScHCT7VmL8XK0S1e3k+LlB+CZhYo=; b=jRPCLjsumEajTc1Mi7ZVBu5jR1VEpOGPdgUaofwtdbbsoHwh2sb53egOaq6RQILxlE 2HrAmU3x1peHqTdBST19WoV45B5Q49Vt9D+ROdLWyOzcDLeBQUhRjMHlpWGTMIkAbfO6 L2UI6MSX+SP2vYZHPDdfLgYcQOfvZriAvI5zZ1ZszZcEqMbg4MZy+YxYxKkqA1On/b6W Vz4neNFS0/ZTQ1i5xaYTs8D+XgMpyeEjZLw9yVwF1mRIrwOy1Jd2cpu/5bR1Lcf0HkA6 5Hf0CxXMFaZzJTsk89I1ZbQj7nnzmGpNfH8XQSsmFnNRT5nGXxJoLmYIK9nUv4M+2Tzz iE4A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1736496423; x=1737101223; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=iaIJAYfUAcAAsckScHCT7VmL8XK0S1e3k+LlB+CZhYo=; b=WMaMH5CULjoIVmjcGdSdFulv3V2UsgKuqftKhymhcwJnUm2fCKxr1QoNst6qmuRhRj 4JxFlRei70LHttL/xTdLODk+yH0kYP3nKQzY0A6zhs5HT8NwMcFAv1uX7SBy0W8IhkYc nd6rFdlnYO93FEnITDHP59X2y8ht5xnUY5e2rKm6A7AvuCIbdM0tya4HZMZff9QZeUQD FGUQX8gCX4D5nrxPFfXhkWNm4t5++DgLdmrQbZlivs8x6o77hI2lfDs0Jsj3R9fXuJkR 4DaxUr0BBEwj6ylbWiQoJgIB4HDexwCvJrd37cGR3vDtxdDYuBtY2ESmwt1KX6Z3O+98 u64w== X-Forwarded-Encrypted: i=1; AJvYcCUEzMBXHzsyB+qNsbysdJ1F/iaLngRDU4/cmZCZ3/FfHZsIrhu+kjMr8/IyCIYUDNL5zGjq89JFBl02NAE=@vger.kernel.org, AJvYcCX1Wa07Djmyv4PLFC6mnjHgqwJEWF/us6WKuOOGT/gtVf9wzwyN2By3B1ebIhQUDy3IfgXGykM6hxTkVPqSBps=@vger.kernel.org X-Gm-Message-State: AOJu0YzXMuYGckPEa37EgHAeQM+LVkFrKcXeyi0fdb/SY5OdNRg6olDl 7oTQdcxVaphjzk9nrK7v20rHdKG+XmxJ0ytvq2vIgz/Gj7oUc3r/ X-Gm-Gg: ASbGncsF9cOHnQF0gPK2oXnonCrEFjt53dSoYqM1at4EjuBpBrvTlFU1Bm8oYN+Jh1V 2ve6Gvric6S+ds7ISVTQbJMTj2+jGHmeHUno33in3HU26OiEuOAPCx+41q34W2odR11M9CuVVOw xXbVKApZ03pdtDvSERTKuyHYzrgTDvJ3GA2j53NcbzH+WXm9QmR0LfuRPdp5dCUPPeDX9Kv7B6W EmqfCuGQY2HEPfNbi8rS+bmQmj57g9IaVG+SXrzmebXjHMrP8uOvQg+tJSZF8IYGHtk2pViJW6p x5R+CXk+AVCKV54M4L5hvru64kU= X-Google-Smtp-Source: AGHT+IEHAAuHb4Kr/mBw8+GAXqS+vcvNrL6NpogYByuTz2AGjklhx3461a1KQRiGvphtei5iThMVHw== X-Received: by 2002:a05:6512:401b:b0:540:20eb:80c5 with SMTP id 2adb3069b0e04-542848166b8mr3084264e87.37.1736496423094; Fri, 10 Jan 2025 00:07:03 -0800 (PST) Received: from [192.168.1.146] (87-94-132-183.rev.dnainternet.fi. [87.94.132.183]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5428be54869sm458053e87.108.2025.01.10.00.07.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 10 Jan 2025 00:07:01 -0800 (PST) Message-ID: <81e9f9aa-d6ff-4377-b278-21898d61b170@gmail.com> Date: Fri, 10 Jan 2025 10:07:00 +0200 Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v8 2/2] rust: add dma coherent allocator abstraction. To: Miguel Ojeda Cc: Daniel Almeida , Daniel Sedlak , aliceryhl@google.com, robin.murphy@arm.com, rust-for-linux@vger.kernel.org, Miguel Ojeda , Alex Gaynor , Boqun Feng , Gary Guo , =?UTF-8?Q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Trevor Gross , Danilo Krummrich , Valentin Obst , open list , Christoph Hellwig , Marek Szyprowski , airlied@redhat.com, "open list:DMA MAPPING HELPERS" References: <20250108122825.136021-1-abdiel.janulgue@gmail.com> <20250108122825.136021-3-abdiel.janulgue@gmail.com> <588af6c5-02cf-437a-a909-c22744a6df1c@sedlak.dev> Content-Language: en-US From: Abdiel Janulgue In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 09/01/2025 13:32, Miguel Ojeda wrote: > > Note that in mainline, `ffi` (the crate) still redirects to > `core::ffi`, since we split the change in 2 kernel cycles to make it > easier to migrate. But in `rust-next`, `ffi` (the crate) already uses > the new mapping. > > The idea is that you can already use `ffi` (the crate) -- so please use that. > > I hope that helps! > > Cheers, > Miguel Thanks, sticking to ffi::c_ulong does indeed fix this. Regards, Abdiel