From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.5]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 32BF31E3DF4 for ; Sat, 17 May 2025 14:36:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.5 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747492607; cv=none; b=QivHJZb6+YnTre+3PfElCl2sxJVM3u2pDdMmYHQAZUhZnrQUteyLg1C5QjmsLrXkxmcLUyEhlitAGlrlZf7HLjI4ATe5UZ3TTbAAbznWaPPEOJKEGfjx2vqJ4Zh86pnqPW23kiKlprm5IQD1aAJOzdTD7QcNP8b5hQJgAA4HUNk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747492607; c=relaxed/simple; bh=TNnCWZdlQEp+GIqo9nb5nDXEZe/tCO9hV4e3k7NdwDs=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=UKIJYPduCc49o1MZFRg668BVxkvfOZ5IEYacphbTNnRtZH/cQwBT83qQMu3Ml4lNmZVaEzK9QMTSaMrViAGdFVB9m2849H9zuLSmcKqeyEKNq6BNRLJryXO69iTW6yryxNzgKJIQhSdHDkXugaGRkaS+RkqgmShFZ5AwbAWGjbE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=iA9HDM00; arc=none smtp.client-ip=117.135.210.5 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="iA9HDM00" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Message-ID:Date:MIME-Version:Subject:To:From: Content-Type; bh=I+uruZI8GJkL4owb21/kMJIkKUy8+DCUZ1JjlMfDAl0=; b=iA9HDM00nOc3ikf9CdwlqpsAmhheaLQ9+8K1pTWwGHtbK7ZEU+k531SMrP5feu VSaPNuqv2sSGbYlX56dC07D+e9me8i/vX1YwYGoAiAqzId81KSUm5G35hnNjoXJm Nx3KzbCLg7tqRek8Al+TeZZ1oheIHf+aNo8PBt3BL8gDA= Received: from [192.168.31.211] (unknown []) by gzga-smtp-mtada-g0-0 (Coremail) with SMTP id _____wC36o7unihojLkxCA--.37997S2; Sat, 17 May 2025 22:36:31 +0800 (CST) Message-ID: Date: Sat, 17 May 2025 22:36:29 +0800 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH liburing v1] register: Remove old API io_uring_register_wait_reg To: Jens Axboe , io-uring@vger.kernel.org References: <20250517140725.24052-1-haiyuewa@163.com> <80d92472-402b-407c-8e39-ce39b8ef46ed@kernel.dk> <1c9d0a4e-d615-4a12-b2e1-cb3bb6030e77@kernel.dk> From: Haiyue Wang In-Reply-To: <1c9d0a4e-d615-4a12-b2e1-cb3bb6030e77@kernel.dk> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CM-TRANSID:_____wC36o7unihojLkxCA--.37997S2 X-Coremail-Antispam: 1Uf129KBjvdXoW7Gw47urW7WrW8Cr15Ar1xGrg_yoW3Zwb_Xr Wqkwn3C3yUKas7t3Z8JFsYyrWvqwn8Cr43CFyUKryfAwnxt345WF1kJF1vg34UX3WY9Fna kFs0vF45AFWjvjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7xRBOJYtUUUUU== X-CM-SenderInfo: 5kdl53xhzdqiywtou0bp/1tbiShVQa2gomddxeQAAsi On 2025/5/17 22:33, Jens Axboe wrote: > On 5/17/25 8:31 AM, Haiyue Wang wrote: >> >> >> On 2025/5/17 22:20, Jens Axboe wrote: >>> On 5/17/25 8:07 AM, Haiyue Wang wrote: >>>> The commit b38747291d50 ("queue: break reg wait setup") just left this >>>> API definition with always "-EINVAL" result for building test. >>>> >>>> And new API 'io_uring_submit_and_wait_reg' has been implemented. >>> >>> You can't just remove symbols from a previously released >>> version of the library... >> >> Cna only remove during the development cycle ? > > Once a symbol is in a released version, it can't go away or you'd > break both compile and runtime use of it. The only symbols that can get > modified/removed are the ones that haven't been released yet, which > right now would be the 2.10 symbols. Oh, got it, thanks. >