From nobody Wed Nov 5 10:45:40 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1533821111845198.64716183229075; Thu, 9 Aug 2018 06:25:11 -0700 (PDT) Received: from localhost ([::1]:50843 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fnkw3-0000IR-S3 for importer@patchew.org; Thu, 09 Aug 2018 09:25:03 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53223) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fnkuP-0007iw-NU for qemu-devel@nongnu.org; Thu, 09 Aug 2018 09:23:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fnkuO-0002U8-OT for qemu-devel@nongnu.org; Thu, 09 Aug 2018 09:23:21 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:35480 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fnkuM-0002P4-Ge; Thu, 09 Aug 2018 09:23:18 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 0EFDB402332F; Thu, 9 Aug 2018 13:23:18 +0000 (UTC) Received: from lemon.usersys.redhat.com (ovpn-12-30.pek2.redhat.com [10.72.12.30]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6E5232314D; Thu, 9 Aug 2018 13:23:14 +0000 (UTC) From: Fam Zheng To: qemu-devel@nongnu.org Date: Thu, 9 Aug 2018 21:22:58 +0800 Message-Id: <20180809132259.18402-2-famz@redhat.com> In-Reply-To: <20180809132259.18402-1-famz@redhat.com> References: <20180809132259.18402-1-famz@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Thu, 09 Aug 2018 13:23:18 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Thu, 09 Aug 2018 13:23:18 +0000 (UTC) for IP:'10.11.54.5' DOMAIN:'int-mx05.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'famz@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH v3 1/2] aio-posix: Don't count ctx->notifier as progress when polling X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fam Zheng , qemu-block@nongnu.org, Stefan Weil , qemu-stable@nongnu.org, Stefan Hajnoczi , pbonzini@redhat.com, lersek@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RDMRC_1 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" The same logic exists in fd polling. This change is especially important to avoid busy loop once we limit aio_notify_accept() to blocking aio_poll(). Cc: qemu-stable@nongnu.org Signed-off-by: Fam Zheng --- util/aio-posix.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/util/aio-posix.c b/util/aio-posix.c index 118bf5784b..b5c7f463aa 100644 --- a/util/aio-posix.c +++ b/util/aio-posix.c @@ -494,7 +494,8 @@ static bool run_poll_handlers_once(AioContext *ctx) QLIST_FOREACH_RCU(node, &ctx->aio_handlers, node) { if (!node->deleted && node->io_poll && aio_node_check(ctx, node->is_external) && - node->io_poll(node->opaque)) { + node->io_poll(node->opaque) && + node->opaque !=3D &ctx->notifier) { progress =3D true; } =20 --=20 2.17.1