From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by spool.mail.gandi.net (Postfix) with ESMTPS id 2A1D0740037 for ; Wed, 13 Sep 2023 13:33:50 +0000 (UTC) DKIM-Signature: a=rsa-sha256; bh=AUsmC7oL1LzmTaul+CUHcYjOJNSaQrb5583OBZbL47U=; c=relaxed/simple; d=groups.io; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From:In-Reply-To:Precedence:List-Subscribe:List-Help:Sender:List-Id:Mailing-List:Delivered-To:Reply-To:List-Unsubscribe-Post:List-Unsubscribe:Content-Language:Content-Type:Content-Transfer-Encoding; s=20140610; t=1694612028; v=1; b=bsB0ydzkszp1UWpteAZyawsPXTbA+itxrZ+OLkkbYOwklzeRDdoTbtrsAoHR148emp/8Gfjo B7my2Mzi5jgX2unU2UKUthaOXvSRaxZh/9AmGZgWS6zYMq3KfnFZNXTfzukMdHjp384j9Q7xLrY yNTIjbuNEz+iU8XBzS9vEzSg= X-Received: by 127.0.0.2 with SMTP id UvEmYY7687511x1QC3sgPa5H; Wed, 13 Sep 2023 06:33:48 -0700 X-Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mx.groups.io with SMTP id smtpd.web10.11980.1694612028024668535 for ; Wed, 13 Sep 2023 06:33:48 -0700 X-Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-161-0p31F1gPPe2aGyPm73DSiQ-1; Wed, 13 Sep 2023 09:33:41 -0400 X-MC-Unique: 0p31F1gPPe2aGyPm73DSiQ-1 X-Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 45558801FA9; Wed, 13 Sep 2023 13:33:41 +0000 (UTC) X-Received: from [10.39.194.255] (unknown [10.39.194.255]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 94BB0728FD; Wed, 13 Sep 2023 13:33:39 +0000 (UTC) Message-ID: <0fbdf6e9-0a85-40ba-d5be-cc1b5bfaff78@redhat.com> Date: Wed, 13 Sep 2023 15:33:38 +0200 MIME-Version: 1.0 Subject: Re: [edk2-devel] [PATCH 2/3] OvmfPkg/RiscVVirt/README: explain the "acpi=off" machine property To: Ard Biesheuvel Cc: edk2-devel-groups-io , Andrei Warkentin , Andrew Jones , Ard Biesheuvel , Gerd Hoffmann , Jiewen Yao , Jordan Justen , Sunil V L References: <20230913105551.12680-1-lersek@redhat.com> <20230913105551.12680-3-lersek@redhat.com> From: "Laszlo Ersek" In-Reply-To: X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Precedence: Bulk List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,lersek@redhat.com List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: X-Gm-Message-State: oSB1K8uzqNXIw4CMOU2eTdi0x7686176AA= Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-GND-Status: LEGIT Authentication-Results: spool.mail.gandi.net; dkim=pass header.d=groups.io header.s=20140610 header.b=bsB0ydzk; dmarc=fail reason="SPF not aligned (relaxed), DKIM not aligned (relaxed)" header.from=redhat.com (policy=none); spf=pass (spool.mail.gandi.net: domain of bounce@groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce@groups.io On 9/13/23 13:02, Ard Biesheuvel wrote: > On Wed, 13 Sept 2023 at 12:56, Laszlo Ersek wrote: >> >> "acpi=3Doff" is arguably unusual with UEFI guest OSes; add a note to exp= lain >> it. Original explanation by Drew Jones. >> >=20 > Out of curiosity: how is this different from the -no-acpi QEMU command > line option? They are the same thing: https://www.qemu.org/docs/master/about/deprecated.html#no-acpi-since-8-0 "The -no-acpi setting has been turned into a machine property. Use -machine acpi=3Doff instead." That is, "-no-acpi" has been deprecated since QEMU 8.0. Cheers Laszlo >=20 >=20 >> Cc: Andrei Warkentin >> Cc: Andrew Jones >> Cc: Ard Biesheuvel >> Cc: Gerd Hoffmann >> Cc: Jiewen Yao >> Cc: Jordan Justen >> Cc: Sunil V L >> Signed-off-by: Laszlo Ersek >> --- >> OvmfPkg/RiscVVirt/README.md | 5 +++++ >> 1 file changed, 5 insertions(+) >> >> diff --git a/OvmfPkg/RiscVVirt/README.md b/OvmfPkg/RiscVVirt/README.md >> index 193e4afe8dee..1dba1a26af2d 100644 >> --- a/OvmfPkg/RiscVVirt/README.md >> +++ b/OvmfPkg/RiscVVirt/README.md >> @@ -70,6 +70,11 @@ Below example shows how to boot openSUSE Tumbleweed E= 20. >> -device virtio-blk-device,drive=3Dhd0 \ >> -drive file=3DopenSUSE-Tumbleweed-RISC-V-E20-efi.riscv64.raw,fo= rmat=3Draw,id=3Dhd0 >> >> + Note: the `acpi=3Doff` machine property is specified because Linux = guest >> + support for ACPI (that is, the ACPI consumer side) is a work in pro= gress. >> + Currently, `acpi=3Doff` is recommended unless you are developing AC= PI support >> + yourself. >> + >> ## Test with your own OpenSBI binary >> Using the above QEMU command line, **RISCV_VIRT_CODE.fd** is launched b= y the >> OpenSBI binary that is bundled with QEMU. You can build your own OpenSB= I binary >> >=20 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#108598): https://edk2.groups.io/g/devel/message/108598 Mute This Topic: https://groups.io/mt/101334265/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/leave/12367111/7686176/19134562= 12/xyzzy [rebecca@openfw.io] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-