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=-8.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 2004BC433DB for ; Tue, 23 Mar 2021 07:26:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ECE11619C0 for ; Tue, 23 Mar 2021 07:26:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230108AbhCWHZv (ORCPT ); Tue, 23 Mar 2021 03:25:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41840 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230139AbhCWHZa (ORCPT ); Tue, 23 Mar 2021 03:25:30 -0400 Received: from mail-ej1-x62a.google.com (mail-ej1-x62a.google.com [IPv6:2a00:1450:4864:20::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4003BC061574 for ; Tue, 23 Mar 2021 00:25:30 -0700 (PDT) Received: by mail-ej1-x62a.google.com with SMTP id r12so25405179ejr.5 for ; Tue, 23 Mar 2021 00:25:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=Xwa51kxw61uMIow80uqDkY+H/GARiTsVnf3Sas4+BxM=; b=K/Y1f+FygYeHZ5bZBkEb+W+x4FQXWevwHu7nVAHSjHVtzShBuR+2g4FsS0kJzfB6Vy VVwcas8GBISn7nl+PoNKFfW4EktWkZWdfe7V6IXLHkWp1zEZC6hF9n0f+y8hnWEnn678 bM2VOCVidgBxJJ7sHbiL6YqHT7ClwnTp1H6GfexhjZX5TAd7sYmJYCVyVM3dPzNdgjXp +Qq1sveuTC1kxYnTl3bnJC7WJ+Z5RIIs1fHT6Tw3rQE53wfy5yPnAQ650qEzQBUAamIp o/HlhyEARhMSvBBR5AeMuhWpQd/mMgr22U1IrIO9bKFBljAaC/j6nTrbC+LGXrHLs8hF AVdA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=Xwa51kxw61uMIow80uqDkY+H/GARiTsVnf3Sas4+BxM=; b=tpC23C0jAzOCNacaFD2qTBsWYw3fJE1TBZwZExY9nPFb8p3rxmOX91DdacD2r+Lgjr nxHTUSgFv19fh0mqMVJe5Us/AxS8mkdt+KLayGezHt/2GyHnSyUBPUwXQH6La2X4fjPT H8PzR2jrLqzrb+6hdiLwDjEPSCliRjv+rBnfC8PKIvyn1+62qLcLWSit0ATzD1ONljV/ j/s6Hr3KvghiWkvG8s5AHuK6ikPjDwOxlsuIOwYS9oxQu57RGVHfUuaQ+re6xqogVlt8 qcKwovWFhRZKwZCwvIzn8o/7KvX9sLG7rJe7CFYVPjUI8BJKWsz0BYTbMKv9Yj+cdc3L CkrQ== X-Gm-Message-State: AOAM532K9dsgua1KowzaJvFQqBvdUQ8nB2lMmuLLVAAMENwncD/Mzy+r 1/b3JHWEYYVPCAtL688dWvChYN7u9yBnYCmBnjd0 X-Google-Smtp-Source: ABdhPJzJm68SUj19rBv+WCUqBy2FNifWaazEUCLQ3Uhyia48gmLbT4tJs0m9MQ2KYMXowDVwKahrwolbYciM+aEhnp8= X-Received: by 2002:a17:907:a042:: with SMTP id gz2mr3554509ejc.174.1616484329008; Tue, 23 Mar 2021 00:25:29 -0700 (PDT) MIME-Version: 1.0 References: <20210315053721.189-1-xieyongji@bytedance.com> <20210315053721.189-4-xieyongji@bytedance.com> <38a2ae38-ebf7-3e3b-3439-d95a6f49b48b@redhat.com> In-Reply-To: <38a2ae38-ebf7-3e3b-3439-d95a6f49b48b@redhat.com> From: Yongji Xie Date: Tue, 23 Mar 2021 15:25:18 +0800 Message-ID: Subject: Re: Re: [PATCH v5 03/11] vhost-vdpa: protect concurrent access to vhost device iotlb To: Jason Wang Cc: "Michael S. Tsirkin" , Stefan Hajnoczi , Stefano Garzarella , Parav Pandit , Bob Liu , Christoph Hellwig , Randy Dunlap , Matthew Wilcox , viro@zeniv.linux.org.uk, Jens Axboe , bcrl@kvack.org, Jonathan Corbet , =?UTF-8?Q?Mika_Penttil=C3=A4?= , Dan Carpenter , virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, kvm@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Tue, Mar 23, 2021 at 11:02 AM Jason Wang wrote: > > > =E5=9C=A8 2021/3/15 =E4=B8=8B=E5=8D=881:37, Xie Yongji =E5=86=99=E9=81=93= : > > Use vhost_dev->mutex to protect vhost device iotlb from > > concurrent access. > > > > Fixes: 4c8cf318("vhost: introduce vDPA-based backend") > > Signed-off-by: Xie Yongji > > > Acked-by: Jason Wang > > Please cc stable for next version. > Sure. Thanks, Yongji