From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9FA98C433E0 for ; Wed, 17 Jun 2020 09:54:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8142D2078D for ; Wed, 17 Jun 2020 09:54:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726538AbgFQJyA (ORCPT ); Wed, 17 Jun 2020 05:54:00 -0400 Received: from out30-45.freemail.mail.aliyun.com ([115.124.30.45]:52799 "EHLO out30-45.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726523AbgFQJyA (ORCPT ); Wed, 17 Jun 2020 05:54:00 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R181e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04357;MF=jiufei.xue@linux.alibaba.com;NM=1;PH=DS;RN=3;SR=0;TI=SMTPD_---0U.rPv22_1592387638; Received: from localhost(mailfrom:jiufei.xue@linux.alibaba.com fp:SMTPD_---0U.rPv22_1592387638) by smtp.aliyun-inc.com(127.0.0.1); Wed, 17 Jun 2020 17:53:58 +0800 From: Jiufei Xue To: io-uring@vger.kernel.org Cc: axboe@kernel.dk, joseph.qi@linux.alibaba.com Subject: [PATCH v4 0/2] io_uring: add EPOLLEXCLUSIVE flag for POLL_ADD operation Date: Wed, 17 Jun 2020 17:53:54 +0800 Message-Id: <1592387636-80105-1-git-send-email-jiufei.xue@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 Sender: io-uring-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Applications can use this flag to avoid accept thundering herd type behavior. Jiufei Xue (2): io_uring: change the poll type to be 32-bits io_uring: use EPOLLEXCLUSIVE flag to aoid thundering