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=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 DF51AC33C9E for ; Wed, 8 Jan 2020 12:14:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AF1E1206DB for ; Wed, 8 Jan 2020 12:14:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="djw5ZjFv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727659AbgAHMOc (ORCPT ); Wed, 8 Jan 2020 07:14:32 -0500 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:37516 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727316AbgAHMOc (ORCPT ); Wed, 8 Jan 2020 07:14:32 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1578485671; 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=2PSTrkEUmEq8yVtCMe4CZo86wKH2aSQYOOHALIiDO9Q=; b=djw5ZjFvWUJHTCyAdc9awIOSe28vg4k3UFYfkZEBTsZW+FgvX61YgjjaGLIgLx1tvQxAZA 9BjPGUV/wC9ePP2RLPX83h4zkjJXwrnnbkWq8xfTPBwGZP5rDKLJe78+vLcQMTzkJ+1vzF Vc5CaUJ+7Xg9nMVeGnLcyYPAtEWLX7A= Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-247-mGUJbaabOruNAO9urvyYWA-1; Wed, 08 Jan 2020 07:14:30 -0500 X-MC-Unique: mGUJbaabOruNAO9urvyYWA-1 Received: by mail-wm1-f69.google.com with SMTP id w205so769262wmb.5 for ; Wed, 08 Jan 2020 04:14:29 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=2PSTrkEUmEq8yVtCMe4CZo86wKH2aSQYOOHALIiDO9Q=; b=Re9FC3qs1+BqFrL9N5BCTXYZmnRbCGHvE48b+qO2rZw5aRPOeuAWTXMBYFw0IL5hJN D0VGGXqZNKTeT6NGANz4xm2z38fbaRXSGFZ6Pq3cpf3lfv7YdNHZO7Mi6b39mmqUtYDy BNboENJcddDA4f42XaSn0EZd2EGEQPP20morN1j0f1BQFCMqkA34Jk9dEAeSXjkk68UN q5DFZwUY27gtKRYQMmynKMq+woDLa6WZiFdN8q5ZMhcAfYiQFSu1PKSYCVGY1l0BIlNe HZmNRFyriQAG81bgp/gZzexsx/25ZRH7wc1Dw6JJIzlet3tv+/PMQsJhE0K5+bjxMDfw qv8w== X-Gm-Message-State: APjAAAXETtrTc5ljwwvkZ0P+USwGGXMwILiqhvZyihlW7jD+cukE/i4E dmgivkrzDTat+rC36lPKO9V6wwThEcJq9JZ2Y6DD8aXkrsVzHrOIGoqp7G3mvBy8DnY3NgJaWMk oB3Bp+kOD/BM4H5As14O5yVh5 X-Received: by 2002:adf:f2c1:: with SMTP id d1mr4095624wrp.111.1578485669010; Wed, 08 Jan 2020 04:14:29 -0800 (PST) X-Google-Smtp-Source: APXvYqwLGE/Zayzc49T6bqeK61OFosdnZKZRkB2vBFrvaZfvZhQaNJMurCIIG/d6QNkxUTpCIohnfQ== X-Received: by 2002:adf:f2c1:: with SMTP id d1mr4095601wrp.111.1578485668742; Wed, 08 Jan 2020 04:14:28 -0800 (PST) Received: from ?IPv6:2001:b07:6468:f312:c6d:4079:b74c:e329? ([2001:b07:6468:f312:c6d:4079:b74c:e329]) by smtp.gmail.com with ESMTPSA id f207sm4000109wme.9.2020.01.08.04.14.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 08 Jan 2020 04:14:27 -0800 (PST) Subject: Re: [External] Re: discuss about pvpanic To: zhenwei pi , Michal Privoznik Cc: "yelu@bytedance.com" , Greg KH , qemu-devel@nongnu.org, linux-kernel@vger.kernel.org, "libvir-list@redhat.com" References: <2feff896-21fe-2bbe-6f68-9edfb476a110@bytedance.com> <05c5fcc0-24bd-ae6e-6bb8-23970ab0b56c@redhat.com> From: Paolo Bonzini Message-ID: <2b4b61b0-a586-83e7-dea8-a4942da32024@redhat.com> Date: Wed, 8 Jan 2020 13:14:27 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08/01/20 11:33, zhenwei pi wrote: > In previous patch(https://lkml.org/lkml/2019/12/14/265), I defined a new bit (bit 1) > PVPANIC_CRASH_LOADED for guest crash loaded event. And suggested by KH Greg, I moved > the bit definition to an uapi header file. > Then QEMU could include the header file from linux header and handle the new event. Sure; QEMU has already got a mechanism to import files from Linux (scripts/update-linux-headers.sh). Paolo