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=-7.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,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 E5953C433B4 for ; Wed, 21 Apr 2021 10:18:03 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7D6C36143B for ; Wed, 21 Apr 2021 10:18:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7D6C36143B Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.114320.217853 (Exim 4.92) (envelope-from ) id 1lZ9ve-0007Ha-DF; Wed, 21 Apr 2021 10:17:54 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 114320.217853; Wed, 21 Apr 2021 10:17:54 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lZ9ve-0007HT-AA; Wed, 21 Apr 2021 10:17:54 +0000 Received: by outflank-mailman (input) for mailman id 114320; Wed, 21 Apr 2021 10:17:52 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lZ9vc-0007HN-9E for xen-devel@lists.xenproject.org; Wed, 21 Apr 2021 10:17:52 +0000 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 67d1812d-dd23-4e41-a910-b91413a6ed57; Wed, 21 Apr 2021 10:17:51 +0000 (UTC) Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 6EDF6ACB1; Wed, 21 Apr 2021 10:17:50 +0000 (UTC) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 67d1812d-dd23-4e41-a910-b91413a6ed57 X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1619000270; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=juTGJege9oQI7pMEOBZu8vAIBiOTIVKlZajVVKVVQIo=; b=VGjM4DRWfc8HhQYAbDPt2ST2LyV7PrcIUKo05UjmqqUCy3F53hTRn9SKvGHEvvsT0/QhlL nkBK3e189SXSH0r0JCKuJ3H+96cs/ba8O8BlLsqukzruPMVq7Tm9vnD88RGXOO9+r26nmk c3ZCjpgrKmtRmZ0BrtuJnThlICMeElo= Subject: Re: [PATCH v2 2/6] tools/libs/ctrl: fix xc_core_arch_map_p2m() to support linear p2m table To: Wei Liu Cc: xen-devel@lists.xenproject.org, Ian Jackson References: <20210412152236.1975-1-jgross@suse.com> <20210412152236.1975-3-jgross@suse.com> <20210421101334.4wuzqjkwiq7ixsbh@liuwe-devbox-debian-v2> From: Juergen Gross Message-ID: <6f3853d8-6900-cf27-bd2b-750b6ee2cfb1@suse.com> Date: Wed, 21 Apr 2021 12:17:49 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 In-Reply-To: <20210421101334.4wuzqjkwiq7ixsbh@liuwe-devbox-debian-v2> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="vomOWatmLoWq03bOlxSDBsHtUYCH9DPeU" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --vomOWatmLoWq03bOlxSDBsHtUYCH9DPeU Content-Type: multipart/mixed; boundary="BU8QJ4I1Uc3HIMZrhWLUkAmbIbDDZXDL3"; protected-headers="v1" From: Juergen Gross To: Wei Liu Cc: xen-devel@lists.xenproject.org, Ian Jackson Message-ID: <6f3853d8-6900-cf27-bd2b-750b6ee2cfb1@suse.com> Subject: Re: [PATCH v2 2/6] tools/libs/ctrl: fix xc_core_arch_map_p2m() to support linear p2m table References: <20210412152236.1975-1-jgross@suse.com> <20210412152236.1975-3-jgross@suse.com> <20210421101334.4wuzqjkwiq7ixsbh@liuwe-devbox-debian-v2> In-Reply-To: <20210421101334.4wuzqjkwiq7ixsbh@liuwe-devbox-debian-v2> --BU8QJ4I1Uc3HIMZrhWLUkAmbIbDDZXDL3 Content-Type: multipart/mixed; boundary="------------1642F077A5970873B88775C4" Content-Language: en-US This is a multi-part message in MIME format. --------------1642F077A5970873B88775C4 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable On 21.04.21 12:13, Wei Liu wrote: > On Mon, Apr 12, 2021 at 05:22:32PM +0200, Juergen Gross wrote: >> The core of a pv linux guest produced via "xl dump-core" is not usable= >> as since kernel 4.14 only the linear p2m table is kept if Xen indicate= s >> it is supporting that. Unfortunately xc_core_arch_map_p2m() is still >> supporting the 3-level p2m tree only. >> >> Fix that by copying the functionality of map_p2m() from libxenguest to= >> libxenctrl. >> >=20 > So there are now two copies of the same logic? Is it possible to reduce= > it to only one? Yes. See the intro mail of the series. I wanted to fix the issue first, before doing the major cleanup work. 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