From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f44.google.com (mail-io1-f44.google.com [209.85.166.44]) (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 860491EBA14 for ; Fri, 21 Feb 2025 16:39:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.44 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740156001; cv=none; b=EEwo6L1EEQn6HD/XiDT3z1AsIrPM7ECqVd7uAxDUFZsztxFiOSLgCJk+AR+1Xz7MB6NEClfTeGR5Jo2aTWh5Yd/XaU2s+fVB+gVDPaRBEUWhfPehWD63fJYrsYtYPyXyhxKgRbfFqd+g7dLEyhL+aYzrCbz8dMWFwuBkLBkH19s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740156001; c=relaxed/simple; bh=VE5mMyStHsDU17NQ22dtIc4GazCDgcLebbjhX7Gm4lQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=IcgjAgUhgZFMehFPyf0eWyVHN+Z30vibG+amPpUbka0v1/UWpOQ899U4w1mO3FJKy6SRMlw/0p0PiTpMq41lsCjL7esn+q7Yw6Dad655cnJJ5bL5bz7yjMp69+fmveMVN6rISAzjm91uC9uxds8XCuH+KbhvI8CR2/f6Lga6eyk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk; spf=pass smtp.mailfrom=kernel.dk; dkim=pass (2048-bit key) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.b=Y2GBrl1Y; arc=none smtp.client-ip=209.85.166.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kernel.dk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.b="Y2GBrl1Y" Received: by mail-io1-f44.google.com with SMTP id ca18e2360f4ac-855a1f50a66so60500939f.3 for ; Fri, 21 Feb 2025 08:39:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20230601.gappssmtp.com; s=20230601; t=1740155997; x=1740760797; 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=tpIVheEuZLG2iAHIpc9LKyrAoq5nqc9ptuNxDevkzBg=; b=Y2GBrl1YCah/odD6SEeL6NNdNgHuuHA5oMu1xzQeXx7mdo5U5Jy0ZGKMKllFlLjzS1 dqzFJVDKfUEoORsrEAgTho30PKqum+rUlmoLUAofgt9SGG9ewqIo2aqYWW1LSa5KxR0r Xcd03+Rrzfpg0sg/xMMztPEdaXMAdp4aUgs/XCNs7Dyaw/+p/kb+565lvc2Ul+Kgbh2R 7OKA5zIPvAKZIfuzeBOpJzqWGLmSP4XKCAIbPGSKHzBpUmOalOvp8um4HtXNSFtflxa8 lhKfqRPejPPkqO7qtky4gTM2RT3Znm3I6O39ea2PlAFqgL2yXx2thhwRTpdij9d1CduM MJIQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740155997; x=1740760797; 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=tpIVheEuZLG2iAHIpc9LKyrAoq5nqc9ptuNxDevkzBg=; b=u4mFvwodM1h0hlIw3DVKoARw/mdREUDLi0NMGUKp6b0xlLznNcfNFwHKqM1iMWxYpE Yt4gxHHmp+cp3vjxMl01bGuVV6qhWt57OJTDu2b7/NXwG/FjwODTaG86URxCbQ9z53FY 930A2sTmv4ljy8rxkSgulEyjnP7Foiev9WcJeKjjFzTzf+9wmzL1OB21kJc9QwTY4Wx8 iK4cL6uzjbYDBMX3P2sTpu2yx6TPN7etQpXPo9CdrKCYafJPZt2+nawHnX7yHSUnHdiz Cp+HrsQVnBzMooweZnPo5fEKXPUqGF+VLfGkCNX402QRGVMvI9ltw7iWhoiLiypvPN1L NGzA== X-Forwarded-Encrypted: i=1; AJvYcCXcg1V2BAZOde/2kMKFEhApAXLE+GOs9Xtl4bt1fZ6eUvRDEROxvejRzEifYjZOROI8iTBnKOohKEkhT/8=@vger.kernel.org X-Gm-Message-State: AOJu0Yxh3qc4Kya83ogiI80WERmPD6RSKulCNp/2dzX1/LwMiQY6WUhL j+IV3yjMlXri0ZR6+ZXJYnxTGRZJT64JGi8YsO8bgI4TCHOu5jBo9tfSvGc5ksg= X-Gm-Gg: ASbGnctgYEkIXA0eaouQ2CbZWOi7zqXCrQdggnMFHjuo9hQRnCehXYtuhbxbw0jBZ0s FSyN8SSwVZPxmRmxkg5haOO7Z18OZEyf/dzs7ebSt0et8weZil5gp2Fx4kT7aPdsp/WXlJ/yVww QXZnWLosE9OPzr01Z4Z9mP3QFAd8WVcTvTxw7AvV1JtjgXO9iY/dh0EuVDA1c3b3gwR98j7jLuo yQRHPsmsib9lx2Sk/ryiW/svSWEA1O5lUfGOGeji5aOf1iMMZfTiw/JJISNcDAEOoXBCUTvYc1Z 982veq2CBeu3stQvxbG0MAU= X-Google-Smtp-Source: AGHT+IEQDPSURcGXmuozZVdFy3UCuIUjqREgH/Da4GyTWHQurE3pBhVbAP+8ISGsn67fSxl7Tt603A== X-Received: by 2002:a05:6e02:156e:b0:3d1:968a:6d46 with SMTP id e9e14a558f8ab-3d2cae6b841mr37216195ab.6.1740155997651; Fri, 21 Feb 2025 08:39:57 -0800 (PST) Received: from [192.168.1.150] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id e9e14a558f8ab-3d18f9c5bc9sm39596575ab.28.2025.02.21.08.39.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 21 Feb 2025 08:39:56 -0800 (PST) Message-ID: <0c1faa58-b658-4a64-9d42-eaf603fdc69d@kernel.dk> Date: Fri, 21 Feb 2025 09:39:55 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] io_uring: add missing IORING_MAP_OFF_ZCRX_REGION in io_uring_mmap To: Pavel Begunkov , lizetao , Bui Quang Minh Cc: David Wei , "linux-kernel@vger.kernel.org" , "io-uring@vger.kernel.org" References: <20250221085933.26034-1-minhquangbui99@gmail.com> <590cff7ccda34b028706b9288f8928d3@huawei.com> <79189960-b645-4b51-a3d7-609708dc3ee2@gmail.com> Content-Language: en-US From: Jens Axboe In-Reply-To: <79189960-b645-4b51-a3d7-609708dc3ee2@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 2/21/25 5:20 AM, Pavel Begunkov wrote: > On 2/21/25 09:10, lizetao wrote: >> Hi, >> >>> -----Original Message----- >>> From: Bui Quang Minh >>> Sent: Friday, February 21, 2025 5:00 PM >>> To: io-uring@vger.kernel.org >>> Cc: Jens Axboe ; Pavel Begunkov >>> ; David Wei ; linux- >>> kernel@vger.kernel.org; Bui Quang Minh >>> Subject: [PATCH] io_uring: add missing IORING_MAP_OFF_ZCRX_REGION in >>> io_uring_mmap >>> >>> Allow user to mmap the kernel allocated zerocopy-rx refill queue. >>> >> >> Maybe fixed-tag should be added here. > > No need, it's not strictly a fix, and whlist it's not yet sent to > linus, the tags only cause confusion when hashes change, e.g. on rebase. I do like using fixes still, if only to provide a link to the original commit without needing to dig for it. And yeah there's the occasional rebase where I forget to update the sha, but those get discovered pretty quick. -- Jens Axboe