From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id F0ED3A0093; Thu, 21 Apr 2022 21:21:27 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 9ADD540042; Thu, 21 Apr 2022 21:21:27 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mails.dpdk.org (Postfix) with ESMTP id 9410240040 for ; Thu, 21 Apr 2022 21:21:26 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1650568885; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=r5LasKE36bsomWZBof6fzppQKC0llZ0F9HK9p+/wT2Y=; b=jIq0Ppy49n9mC9mSnkjCFSKPKx8PnGqN+Xd/IGVgtrfov1f/5OTjpMwoZJ8jKJ1xBPuRCQ dFmNsbStAMC2hMviVQN5WqQC39NtuT3zK5wNFgcfk1boCLF2UmbtKgJf+ZN4VBSs9c/LpG TxJmj4looaVltFrVPpzawNq5W9YNAKI= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-453-1nnSrKZwMTy7DiFbHOlLog-1; Thu, 21 Apr 2022 15:21:24 -0400 X-MC-Unique: 1nnSrKZwMTy7DiFbHOlLog-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 4B3891C07383; Thu, 21 Apr 2022 19:21:24 +0000 (UTC) Received: from [10.39.208.35] (unknown [10.39.208.35]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 809662166B47; Thu, 21 Apr 2022 19:21:13 +0000 (UTC) Message-ID: <8fb2fa90-4ad9-98cb-2065-97a0812c91e6@redhat.com> Date: Thu, 21 Apr 2022 21:21:12 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [RFC PATCH v3 3/8] vhost: fix async access To: David Marchand , dev@dpdk.org Cc: stephen@networkplumber.org, chenbo.xia@intel.com, jiayu.hu@intel.com, yuanx.wang@intel.com, xuan.ding@intel.com, stable@dpdk.org, Sunil Pai G , Patrick Fu References: <20220328121758.26632-1-david.marchand@redhat.com> <20220411110013.18624-1-david.marchand@redhat.com> <20220411110013.18624-4-david.marchand@redhat.com> From: Maxime Coquelin In-Reply-To: <20220411110013.18624-4-david.marchand@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=maxime.coquelin@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On 4/11/22 13:00, David Marchand wrote: > vq->async accesses must be protected with vq->access_lock. > > Fixes: eb666d24085f ("vhost: fix async unregister deadlock") > Fixes: 0c0935c5f794 ("vhost: allow to check in-flight packets for async vhost") > Cc: stable@dpdk.org > > Signed-off-by: David Marchand > Acked-by: Sunil Pai G > --- > lib/vhost/vhost.c | 25 ++++++++++--------------- > 1 file changed, 10 insertions(+), 15 deletions(-) > Reviewed-by: Maxime Coquelin Thanks, Maxime