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 8816C9416F1 for ; Wed, 13 Sep 2023 11:02:23 +0000 (UTC) DKIM-Signature: a=rsa-sha256; bh=UOpj2uqgLriXJVqwXlnxTGw6VxamX+KBAIYkMBMbRAE=; c=relaxed/simple; d=groups.io; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject:To:Cc:Precedence:List-Subscribe:List-Help:Sender:List-Id:Mailing-List:Delivered-To:Reply-To:List-Unsubscribe-Post:List-Unsubscribe:Content-Type; s=20140610; t=1694602942; v=1; b=aOSXrSKyw2se7mlQp7ErS25TLZOrERfq1JKTPtbAs0Ng7vzrVIqbxIzVsI+tWpdoQsrtCNOO hlss4/Z3U3tlvTWDTtx5WJ1C5HsgB6otDHhOu52hbo/HCXA4Yj99aE+S65iltIYQmZ0S2PMJU3G 5W+ksouwHhq+Z6M6iIBKj8ZM= X-Received: by 127.0.0.2 with SMTP id QxRYYY7687511xhpbWc0oxjY; Wed, 13 Sep 2023 04:02:22 -0700 X-Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by mx.groups.io with SMTP id smtpd.web11.8947.1694602941605479325 for ; Wed, 13 Sep 2023 04:02:21 -0700 X-Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 2137E618B8 for ; Wed, 13 Sep 2023 11:02:21 +0000 (UTC) X-Received: by smtp.kernel.org (Postfix) with ESMTPSA id 86FD4C433CA for ; Wed, 13 Sep 2023 11:02:20 +0000 (UTC) X-Received: by mail-lf1-f47.google.com with SMTP id 2adb3069b0e04-500bbe3ef0eso1009945e87.1 for ; Wed, 13 Sep 2023 04:02:20 -0700 (PDT) X-Gm-Message-State: EYnk70zwgtqbnTv7Lxn0Wn7Nx7686176AA= X-Google-Smtp-Source: AGHT+IGQv6aEeW4B2mZobgYHTQRmgO3pcLcD0VsKRUwjp3qH/zcBdHwTI7jVPiWonzBFFBVhonar/fZ4AVzkFYpUMFs= X-Received: by 2002:a05:6512:114b:b0:501:ba04:f352 with SMTP id m11-20020a056512114b00b00501ba04f352mr2043237lfg.1.1694602938598; Wed, 13 Sep 2023 04:02:18 -0700 (PDT) MIME-Version: 1.0 References: <20230913105551.12680-1-lersek@redhat.com> <20230913105551.12680-3-lersek@redhat.com> In-Reply-To: <20230913105551.12680-3-lersek@redhat.com> From: "Ard Biesheuvel" Date: Wed, 13 Sep 2023 13:02:07 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [edk2-devel] [PATCH 2/3] OvmfPkg/RiscVVirt/README: explain the "acpi=off" machine property To: Laszlo Ersek Cc: edk2-devel-groups-io , Andrei Warkentin , Andrew Jones , Ard Biesheuvel , Gerd Hoffmann , Jiewen Yao , Jordan Justen , Sunil V L 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,ardb@kernel.org List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: Content-Type: text/plain; charset="UTF-8" X-GND-Status: LEGIT Authentication-Results: spool.mail.gandi.net; dkim=pass header.d=groups.io header.s=20140610 header.b=aOSXrSKy; dmarc=fail reason="SPF not aligned (relaxed), DKIM not aligned (relaxed)" header.from=kernel.org (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 Wed, 13 Sept 2023 at 12:56, Laszlo Ersek wrote: > > "acpi=off" is arguably unusual with UEFI guest OSes; add a note to explain > it. Original explanation by Drew Jones. > Out of curiosity: how is this different from the -no-acpi QEMU command line option? > 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 E20. > -device virtio-blk-device,drive=hd0 \ > -drive file=openSUSE-Tumbleweed-RISC-V-E20-efi.riscv64.raw,format=raw,id=hd0 > > + Note: the `acpi=off` machine property is specified because Linux guest > + support for ACPI (that is, the ACPI consumer side) is a work in progress. > + Currently, `acpi=off` is recommended unless you are developing ACPI support > + yourself. > + > ## Test with your own OpenSBI binary > Using the above QEMU command line, **RISCV_VIRT_CODE.fd** is launched by the > OpenSBI binary that is bundled with QEMU. You can build your own OpenSBI binary > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#108580): https://edk2.groups.io/g/devel/message/108580 Mute This Topic: https://groups.io/mt/101334265/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io] -=-=-=-=-=-=-=-=-=-=-=-