Cover Letter Detail
Show a cover letter.
GET /api/1.1/covers/2229474/?format=api
{ "id": 2229474, "url": "http://patchwork.ozlabs.org/api/1.1/covers/2229474/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20260428095015.76902-1-guobin@linux.alibaba.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.1/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20260428095015.76902-1-guobin@linux.alibaba.com>", "date": "2026-04-28T09:50:13", "name": "[0/2] util/aio-posix: fix and clean up poll_ready handling in aio_prepare()", "submitter": { "id": 91693, "url": "http://patchwork.ozlabs.org/api/1.1/people/91693/?format=api", "name": "Bin Guo", "email": "guobin@linux.alibaba.com" }, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20260428095015.76902-1-guobin@linux.alibaba.com/mbox/", "series": [ { "id": 501810, "url": "http://patchwork.ozlabs.org/api/1.1/series/501810/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501810", "date": "2026-04-28T09:50:13", "name": "util/aio-posix: fix and clean up poll_ready handling in aio_prepare()", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/501810/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2229474/comments/", "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=linux.alibaba.com header.i=@linux.alibaba.com\n header.a=rsa-sha256 header.s=default header.b=DepVXYpe;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g4bKm1nK5z1yHv\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 28 Apr 2026 19:51:08 +1000 (AEST)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1wHf5m-0002YC-Pw; Tue, 28 Apr 2026 05:50:58 -0400", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <guobin@linux.alibaba.com>)\n id 1wHf5j-0002Xh-4o\n for qemu-devel@nongnu.org; Tue, 28 Apr 2026 05:50:56 -0400", "from out30-118.freemail.mail.aliyun.com ([115.124.30.118])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <guobin@linux.alibaba.com>)\n id 1wHf5d-0006R0-Ek\n for qemu-devel@nongnu.org; Tue, 28 Apr 2026 05:50:53 -0400", "from localhost(mailfrom:guobin@linux.alibaba.com\n fp:SMTPD_---0X1u667w_1777369817 cluster:ay36) by smtp.aliyun-inc.com;\n Tue, 28 Apr 2026 17:50:33 +0800" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=linux.alibaba.com; s=default;\n t=1777369834; h=From:To:Subject:Date:Message-ID:MIME-Version;\n bh=490pcYJYuDPXlIAQOp+E+5S2LUcUJ5QN+6D5lFAP5FU=;\n b=DepVXYpeFO+QRga4PHzth8na6kwpNt9LJiqPbcFAR/AgSzo3QFmb1n8iPocz94GB78l05/SeKEAZ6n86D2TNTNZIASKRw/wXi1lVjxA2PfzFDoJs48R0hdkvwS438kZkfpiVjVyl3aMqUjYbgv/I981xBqsu6tVGw1DwpUs+Utc=", "X-Alimail-AntiSpam": "AC=PASS; BC=-1|-1; BR=01201311R141e4; CH=green;\n DM=||false|;\n DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=maildocker-contentspam033045133197;\n MF=guobin@linux.alibaba.com; NM=1; PH=DS; RN=5; SR=0;\n TI=SMTPD_---0X1u667w_1777369817;", "From": "Bin Guo <guobin@linux.alibaba.com>", "To": "qemu-devel@nongnu.org", "Cc": "pbonzini@redhat.com, stefanha@redhat.com, fam@euphon.net,\n qemu-block@nongnu.org", "Subject": "[PATCH 0/2] util/aio-posix: fix and clean up poll_ready handling in\n aio_prepare()", "Date": "Tue, 28 Apr 2026 17:50:13 +0800", "Message-ID": "<20260428095015.76902-1-guobin@linux.alibaba.com>", "X-Mailer": "git-send-email 2.50.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=115.124.30.118;\n envelope-from=guobin@linux.alibaba.com;\n helo=out30-118.freemail.mail.aliyun.com", "X-Spam_score_int": "-174", "X-Spam_score": "-17.5", "X-Spam_bar": "-----------------", "X-Spam_report": "(-17.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, ENV_AND_HDR_SPF_MATCH=-0.5,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001,\n UNPARSEABLE_RELAY=0.001, USER_IN_DEF_DKIM_WL=-7.5,\n USER_IN_DEF_SPF_WL=-7.5 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "When aio_prepare() calls poll_set_started(..., false) to disable poll\nmode before handing control to GLib's event loop, the final poll round\nmay mark handlers poll_ready=true and insert them into a local\nready_list. That list is discarded when aio_prepare() returns, so\nthose handlers are silently lost until the next GLib iteration.\n\nPatch 1 fixes the bug: aio_pending() is extended to scan\npoll_aio_handlers for poll_ready nodes so GLib's check phase reports\npending work, and aio_dispatch() is taught to collect those nodes\nbefore dispatching, ensuring they are executed in the same cycle.\n\nPatch 2 is a follow-up clean-up: now that poll_ready nodes are handled\nvia aio_pending()/aio_dispatch(), the local ready_list in aio_prepare()\nserves no purpose. Pass NULL to poll_set_started() and teach it to set\npoll_ready=true directly, eliminating the unnecessary list operations.\n\nBin Guo (2):\n util/aio-posix: fix poll_ready handlers dropped in aio_prepare()\n util/aio-posix: avoid allocating ready_list in aio_prepare()\n\n util/aio-posix.c | 47 ++++++++++++++++++++++++++++++++++++++++-------\n 1 file changed, 40 insertions(+), 7 deletions(-)" }