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=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 AC118C433C1 for ; Fri, 26 Mar 2021 11:37:29 +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 414B261A33 for ; Fri, 26 Mar 2021 11:37:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 414B261A33 Authentication-Results: mail.kernel.org; dmarc=pass (p=none dis=none) header.from=xenproject.org 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.101710.194661 (Exim 4.92) (envelope-from ) id 1lPklw-00081b-Up; Fri, 26 Mar 2021 11:37:00 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 101710.194661; Fri, 26 Mar 2021 11:37:00 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lPklw-00081U-RZ; Fri, 26 Mar 2021 11:37:00 +0000 Received: by outflank-mailman (input) for mailman id 101710; Fri, 26 Mar 2021 11:36:59 +0000 Received: from mail.xenproject.org ([104.130.215.37]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lPklv-00081O-F9 for xen-devel@lists.xenproject.org; Fri, 26 Mar 2021 11:36:59 +0000 Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lPklu-0005ay-U4 for xen-devel@lists.xenproject.org; Fri, 26 Mar 2021 11:36:58 +0000 Received: from iwj (helo=mariner.uk.xensource.com) by xenbits.xenproject.org with local-bsmtp (Exim 4.92) (envelope-from ) id 1lPklu-0007Pl-Rt for xen-devel@lists.xenproject.org; Fri, 26 Mar 2021 11:36:58 +0000 Received: from iwj by mariner.uk.xensource.com with local (Exim 4.89) (envelope-from ) id 1lPklp-0002Gb-TO; Fri, 26 Mar 2021 11:36:53 +0000 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" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=xenproject.org; s=20200302mail; h=References:In-Reply-To:Subject:Cc:To:Date :Message-ID:Content-Transfer-Encoding:Content-Type:MIME-Version:From; bh=QIfN6CmwRgEg/5txXuQ41bQ8Q+OhF87anZVPIZJ5OrI=; b=MIp13Ut7Do5VwtsJlXBuXlMn+m eO/uiE0vRh6So9ZSutLGNDV4tPfrQJwtgoqCr1OXuEHAFCK04ZqvOn/KCX7/2Anx1dIWntW9/iTBQ lMaffBkSF+YjghSIpQF2XfV4fJ7aN02XbYFFR2rKY30j3ZmsbkwV2/EFSh8xlApYbKoA=; From: Ian Jackson MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <24669.51029.465080.822794@mariner.uk.xensource.com> Date: Fri, 26 Mar 2021 11:36:53 +0000 To: Tamas K Lengyel Cc: Tamas K Lengyel , Xen-devel , Jan Beulich , Andrew Cooper , George Dunlap , Roger Pau =?iso-8859-1?Q?Monn=E9?= , Wei Liu Subject: Re: [PATCH for-4.15] x86/mem_sharing: copy parent VM's hostp2m's max_mapped_pfn during forking In-Reply-To: References: X-Mailer: VM 8.2.0b under 24.5.1 (i686-pc-linux-gnu) Tamas K Lengyel writes ("Re: [PATCH for-4.15] x86/mem_sharing: copy parent VM's hostp2m's max_mapped_pfn during forking"): > On Thu, Mar 18, 2021 at 5:36 PM Tamas K Lengyel wrote: > > > > When creating a VM fork copy the parent VM's hostp2m max_mapped_pfn value. Some > > toolstack relies on the XENMEM_maximum_gpfn value to establish the maximum > > addressable physical memory in the VM and for forks that have not yet been > > unpaused that value is not going to reflect the correct max gpfn that's > > possible to populate into the p2m. This patch fixes the issue. ... > CC-ing Ian as 4.15 release manager. This patch is safe to include in > 4.15 as it's a minor fix in a tech preview feature that's not even > compiled by default. As far as I can tell this patch is lacking a maintainer review ? Release-Acked-by: Ian Jackson *Provided that it is committed today* I'm not sure how likely that is. Thanks, Ian.