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=-2.2 required=3.0 tests=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 3686FC76191 for ; Thu, 25 Jul 2019 15:39:57 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 12A2F22ADA for ; Thu, 25 Jul 2019 15:39:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 12A2F22ADA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:33128 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hqfqW-0002BX-Bu for qemu-devel@archiver.kernel.org; Thu, 25 Jul 2019 11:39:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51068) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hqfqL-0001jb-T4 for qemu-devel@nongnu.org; Thu, 25 Jul 2019 11:39:46 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hqfqL-0004qJ-3e for qemu-devel@nongnu.org; Thu, 25 Jul 2019 11:39:45 -0400 Received: from mail-wr1-f66.google.com ([209.85.221.66]:39215) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hqfqK-0004qA-UN for qemu-devel@nongnu.org; Thu, 25 Jul 2019 11:39:45 -0400 Received: by mail-wr1-f66.google.com with SMTP id x4so51239837wrt.6 for ; Thu, 25 Jul 2019 08:39:44 -0700 (PDT) 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:openpgp:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=1O6dLeeHQYUqm93JMYA7YAeCKp/NGxYm6dNvskwvhWU=; b=rIrfwHtWaCTbrpHTuu4g2ljpCdObn7M8ccl7A8cE4olvJk8pxA1VTMy/LbAzO2RwBE w6VR4hq1Y3xL/p3DNNvP9PpwvrOfKj2yRTbKNZU4UcSnqLRmHMPjKSMahYv8KP91vG+u 7wmVNZTLTJhJVgWgLRz/45RASkf2rgiLxoFTu7GOAmTmNgDWaOYDsE4AGfoMDXGlO0ol u+cSD75DFijqsbXRhJCLiMZArwRticsVSbYPRDk4jrw83FEGiUJV4XtL7I1dAvAbsFYR 36lnPsUDiQtArbt2r4lPfIMjcxepbGNEVGnXUpC5Gdx+VRDp+nWz7FiEVF52rv/JyXNm BaEA== X-Gm-Message-State: APjAAAWvjlb/WnWou8jigRcC7eUAGUG0EuLCur6Rwebdm1H5H5MlK5BA +a4WYprlslZ20xIGqJ1EUPPTEA== X-Google-Smtp-Source: APXvYqwlRI7r7csoVL6rYAiQ9VVohuaE4MtQvrihLOYnZALtnRVH5bsaqgLLuupIaRqz73E1ke28gQ== X-Received: by 2002:adf:e705:: with SMTP id c5mr47078265wrm.270.1564069183957; Thu, 25 Jul 2019 08:39:43 -0700 (PDT) Received: from ?IPv6:2001:b07:6468:f312:cc23:f353:392:d2ee? ([2001:b07:6468:f312:cc23:f353:392:d2ee]) by smtp.gmail.com with ESMTPSA id w7sm58670004wrn.11.2019.07.25.08.39.40 (version=TLS1_3 cipher=AEAD-AES128-GCM-SHA256 bits=128/128); Thu, 25 Jul 2019 08:39:42 -0700 (PDT) To: "Michael S. Tsirkin" , Sergio Lopez References: <20190725055908-mutt-send-email-mst@kernel.org> <87pnlymm47.fsf@redhat.com> <20190725080556-mutt-send-email-mst@kernel.org> <87muh2mazh.fsf@redhat.com> <20190725104721-mutt-send-email-mst@kernel.org> <20190725110114-mutt-send-email-mst@kernel.org> From: Paolo Bonzini Openpgp: preference=signencrypt Message-ID: Date: Thu, 25 Jul 2019 17:39:39 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190725110114-mutt-send-email-mst@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.85.221.66 Subject: Re: [Qemu-devel] [PATCH v3 0/4] Introduce the microvm machine type X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Eduardo Habkost , Maran Wilson , Stefan Hajnoczi , QEMU Developers , Gerd Hoffmann , Stefano Garzarella , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 25/07/19 17:01, Michael S. Tsirkin wrote: >> It would be educational to try to enable ACPI core but disable all >> optional features. A lot of them are select'ed so it's not easy. > Trying with ACPI_REDUCED_HARDWARE_ONLY would also be educational. That's what the NEMU guys experimented with. It's not supported by our DSDT since it uses ACPI GPE, and the reduction in code size is small (about 15000 lines of code in ACPICA, perhaps 100k if you're lucky?). Paolo