From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 186FF41DBC; Fri, 3 Mar 2023 03:33:38 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 9E44E40EE3; Fri, 3 Mar 2023 03:33:37 +0100 (CET) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by mails.dpdk.org (Postfix) with ESMTP id BFEEF40687 for ; Fri, 3 Mar 2023 03:33:35 +0100 (CET) Received: from dggpeml500024.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4PSX590L8tzSkMT; Fri, 3 Mar 2023 10:30:37 +0800 (CST) Received: from [10.67.100.224] (10.67.100.224) by dggpeml500024.china.huawei.com (7.185.36.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Fri, 3 Mar 2023 10:33:33 +0800 Subject: Re: [PATCH v2 00/17] use __atomic operations returning previous value To: Tyler Retzlaff , CC: , , , , , References: <1677718068-2412-1-git-send-email-roretzla@linux.microsoft.com> <1677773902-5167-1-git-send-email-roretzla@linux.microsoft.com> From: fengchengwen Message-ID: Date: Fri, 3 Mar 2023 10:33:33 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <1677773902-5167-1-git-send-email-roretzla@linux.microsoft.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.67.100.224] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpeml500024.china.huawei.com (7.185.36.10) X-CFilter-Loop: Reflected X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On 2023/3/3 0:18, Tyler Retzlaff wrote: > This series replaces uses of __atomic_{add,and,or,sub,xor}_fetch with > __atomic_fetch_{add,and,or,sub,xor} intrinsics. The latter omits generation > of code that is only needed if the returned value is actually used. > > Additionally, this change simplifies adapting dpdk to standard atomics > planned for 23.07 since __atomic_fetch_xxx can be trivially replaced with > atomic_fetch_xxx whereas __atomic_xxx_fetch has no standard equivalent. Series-acked-by: Chengwen Feng > > ... >