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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 AEBC7C2D0ED for ; Fri, 27 Mar 2020 16:58:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 85BC820936 for ; Fri, 27 Mar 2020 16:58:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="tGAt2/cT" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727652AbgC0Q6h (ORCPT ); Fri, 27 Mar 2020 12:58:37 -0400 Received: from mail-wr1-f66.google.com ([209.85.221.66]:45003 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727254AbgC0Q6g (ORCPT ); Fri, 27 Mar 2020 12:58:36 -0400 Received: by mail-wr1-f66.google.com with SMTP id m17so12202704wrw.11; Fri, 27 Mar 2020 09:58:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=8myQ8m6QT+OfnFyYa3rJCzYETwGb1X4YRdpvRBB8Fjo=; b=tGAt2/cTVP1pYV1Hni5tu/E1I7NppNmA3JxIKWeam/+KNZ5BIulpko2YIPWTTwH6GE a017A53dyrMtd4azj6e/5cGI+i9S5xYVnQYXJ3r+GHgHsjG83k4K//k/XmD8t3/ZWlIz hiW735EzVv3cNmXzOVMdOdIP1FxFp1Ci/z/qs0JIRzrE3OwMswRN6cOjWfMXpd/ZdxK5 dE94HtORG5Qc1DP4LUxUbEAYwFtfIpLQJ3JJcPO4P2i8hfVHAeyBG1nSZj0n1wGnIyTR Drrjqy6kQoH3EGTPVFgF3nyLj0dPlZ2EmzO65FuCIlYeDspPXX11E0Zu6QjO4CIRnVc+ 7h+Q== 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; bh=8myQ8m6QT+OfnFyYa3rJCzYETwGb1X4YRdpvRBB8Fjo=; b=kmMOAl/glSEuWwTXD3GqPbJ4KpeyD4mlPpTAAPDcbFDEK1+iaunTSD4zFwRZc6Kvah pIbgSbJuupYdJJ9fSHM0aWeb0H5qSicYTeetk7tHbQJ0YcxR5PAcYcX74udnwzVvnZc4 rRB7d58mXRSIPa504mGQOSry/FpGG6lqNw5BTreoExLQLrBaFS6gzSzL8ES6q90RtkUo ory8tif/ZOlx52tGDEyiAerwM/UjjJpFOUwN37KhLmbSpUhTkuNtAxvAp+EhtMplT7Vy sJ0ZUGxGMX+JUE1ynYzPoHjN/Npdmy5fNJa4h6/hQw0c7+/NTflq2HaO44E5JESGjByp 5r7Q== X-Gm-Message-State: ANhLgQ2RLVTF0JwvpwPCloRwJH00Hgki2S8gmUx/W+K6CaO3ygUpcoZK NcRxa1CfdOwUsOLX2vCv3xN5FGLNaWaOvMEzkRE= X-Google-Smtp-Source: ADFU+vv/BmrwpACOCUazG3UpBbViq39YbY5NMBmmZ7/x6GugNATYQvg4phENFpn/2eUViu7WdDsWWpU0rYqQVWJBJTg= X-Received: by 2002:adf:ee12:: with SMTP id y18mr307207wrn.289.1585328315282; Fri, 27 Mar 2020 09:58:35 -0700 (PDT) MIME-Version: 1.0 References: <20200311171422.10484-1-david@redhat.com> In-Reply-To: <20200311171422.10484-1-david@redhat.com> From: Pankaj Gupta Date: Fri, 27 Mar 2020 17:58:24 +0100 Message-ID: Subject: Re: [PATCH v2 00/10] virtio-mem: paravirtualized memory To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, virtio-dev@lists.oasis-open.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, Michal Hocko , Andrew Morton , "Michael S . Tsirkin" , Sebastien Boeuf , Samuel Ortiz , Robert Bradford , Luiz Capitulino , teawater , Igor Mammedov , "Dr . David Alan Gilbert" , Alexander Duyck , Alexander Potapenko , Anshuman Khandual , Anthony Yznaga , Dan Williams , Dave Young , Jason Wang , Johannes Weiner , Juergen Gross , Konrad Rzeszutek Wilk , Len Brown , Mel Gorman , Michal Hocko , Mike Rapoport , Oscar Salvador , Oscar Salvador , Pavel Tatashin , Pavel Tatashin , Pingfan Liu , Qian Cai , "Rafael J. Wysocki" , "Rafael J. Wysocki" , Stefan Hajnoczi , Vlastimil Babka , Wei Yang Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi David, Trying to test the series with the Qemu branch(virtio-mem) mentioned. Unfortunately, not able to hotplug memory. Is anything changed from your previous posting or I am doing something wrong? After giving value to "requested-size", I see size as zero. (qemu) qom-set vm0 requested-size 10G (qemu) info memory-devices Memory device [virtio-mem]: "vm0" memaddr: 0x240000000 node: 0 requested-size: 10737418240 size: 0 max-size: 107374182400 block-size: 2097152 memdev: /objects/mem0 Guest kernel: 5.6.0-rc4 Using same Qemu commandline arguments mentioned in cover-letter. Thanks, Pankaj