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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS 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 F39B7ECDFAA for ; Tue, 17 Jul 2018 01:12:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8821B208EC for ; Tue, 17 Jul 2018 01:12:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8821B208EC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730933AbeGQBmX (ORCPT ); Mon, 16 Jul 2018 21:42:23 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:49250 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729910AbeGQBmW (ORCPT ); Mon, 16 Jul 2018 21:42:22 -0400 Received: from DGGEMS407-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id D41B866BC209; Tue, 17 Jul 2018 09:12:20 +0800 (CST) Received: from [127.0.0.1] (10.177.16.168) by DGGEMS407-HUB.china.huawei.com (10.3.19.207) with Microsoft SMTP Server id 14.3.382.0; Tue, 17 Jul 2018 09:12:16 +0800 Subject: Re: [V9fs-developer] [PATCH] net/9p: Fix a deadlock case in the virtio transport To: Dominique Martinet References: <5B49B8CF.40709@huawei.com> <20180714090502.GA16186@nautica> <5B49DAA5.3020600@huawei.com> <20180714124715.GA16134@nautica> <5B4BFB29.3080507@huawei.com> <20180716133847.GA9421@nautica> CC: Andrew Morton , Eric Van Hensbergen , Ron Minnich , Latchesar Ionkov , Linux Kernel Mailing List , From: jiangyiwen Message-ID: <5B4D426F.8050605@huawei.com> Date: Tue, 17 Jul 2018 09:12:15 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 In-Reply-To: <20180716133847.GA9421@nautica> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.177.16.168] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2018/7/16 21:38, Dominique Martinet wrote: > jiangyiwen wrote on Mon, Jul 16, 2018: >> You're right, this wake up operation should be put after the unlocking, >> I will resend it. In addition, whether I should resend this patch based >> on your 9p-next branch? > > There is a trivial conflict with Thomas' validate PDU length patch, > but as it is trivial either work for me - pick whichever is easier to > work with for you. > > The main reason I asked for a new version of the other patch is that the > IDR rework changed spin locks, so I'd rather it being clean. > > > Thanks, > ok, I will resend the patch later based on linux-next branch. Thanks, Yiwen.