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=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=ham 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 8E4A6C4346E for ; Thu, 24 Sep 2020 09:04:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3F9A62376F for ; Thu, 24 Sep 2020 09:04:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727330AbgIXJEb (ORCPT ); Thu, 24 Sep 2020 05:04:31 -0400 Received: from smtpout1.mo529.mail-out.ovh.net ([178.32.125.2]:39045 "EHLO smtpout1.mo529.mail-out.ovh.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726710AbgIXJEa (ORCPT ); Thu, 24 Sep 2020 05:04:30 -0400 X-Greylist: delayed 488 seconds by postgrey-1.27 at vger.kernel.org; Thu, 24 Sep 2020 05:04:29 EDT Received: from mxplan5.mail.ovh.net (unknown [10.108.1.237]) by mo529.mail-out.ovh.net (Postfix) with ESMTPS id E56615E550ED; Thu, 24 Sep 2020 10:56:19 +0200 (CEST) Received: from kaod.org (37.59.142.106) by DAG8EX1.mxp5.local (172.16.2.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2044.4; Thu, 24 Sep 2020 10:56:19 +0200 Authentication-Results: garm.ovh; auth=pass (GARM-106R006c5bf5594-637d-4083-858d-063c7491bba4, 85AEC8A2294FDACAA0F214F2A1981C2CEEF9973D) smtp.auth=groug@kaod.org Date: Thu, 24 Sep 2020 10:56:18 +0200 From: Greg Kurz To: Jianyong Wu CC: Dominique Martinet , "ericvh@gmail.com" , "lucho@ionkov.net" , "qemu_oss@crudebyte.com" , "v9fs-developer@lists.sourceforge.net" , "linux-kernel@vger.kernel.org" , Justin He Subject: Re: [PATCH RFC v2 4/4] 9p: fix race issue in fid contention. Message-ID: <20200924105618.556b9a8d@bahia.lan> In-Reply-To: References: <20200923141146.90046-1-jianyong.wu@arm.com> <20200923141146.90046-5-jianyong.wu@arm.com> <20200923144953.GA1685@nautica> X-Mailer: Claws Mail 3.17.6 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [37.59.142.106] X-ClientProxiedBy: DAG6EX1.mxp5.local (172.16.2.51) To DAG8EX1.mxp5.local (172.16.2.71) X-Ovh-Tracer-GUID: b77c1de3-76da-4996-88e1-519bcc2401cd X-Ovh-Tracer-Id: 6859826660615493996 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedujedrudekgdduudcutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemucehtddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpeffhffvuffkjghfofggtgfgihesthejredtredtvdenucfhrhhomhepifhrvghgucfmuhhriicuoehgrhhouhhgsehkrghougdrohhrgheqnecuggftrfgrthhtvghrnhepueffteeuffekveffhfffueejkeeitdfgjedvtdelgfettdffgfffieeijefftdevnecuffhomhgrihhnpehgihhthhhusgdrtghomhenucfkpheptddrtddrtddrtddpfeejrdehledrudegvddruddtieenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhhouggvpehsmhhtphdqohhuthdphhgvlhhopehmgihplhgrnhehrdhmrghilhdrohhvhhdrnhgvthdpihhnvghtpedtrddtrddtrddtpdhmrghilhhfrhhomhepghhrohhugheskhgrohgurdhorhhgpdhrtghpthhtoheplfhushhtihhnrdfjvgesrghrmhdrtghomh Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 24 Sep 2020 08:38:01 +0000 Jianyong Wu wrote: > > Given the other thread, what did you test this with? > Er, I just use Greg's qemu of https://github.com/gkurz/qemu.git: 9p-attr-fixes. I should have referenced it in commit message. ... which is a pretty old QEMU version BTW. https://github.com/gkurz/qemu/blob/9p-attr-fixes/VERSION 2.6.50 aka 2.7 development tree As said by Christian in some other mail, if someone wants these fixes to be effective when using QEMU, they should maybe invest time to rebase against the current development branch. I personally don't have time to do that but I'm available to answer questions if needed. Cheers, -- Greg