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[79.180.2.31]) by smtp.gmail.com with ESMTPSA id x20sm11193094ejv.66.2021.02.28.13.37.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 28 Feb 2021 13:37:57 -0800 (PST) Date: Sun, 28 Feb 2021 16:37:54 -0500 From: "Michael S. Tsirkin" To: vit9696 Subject: Re: [PATCH 1/2] i386/acpi: fix inconsistent QEMU/OVMF device paths Message-ID: <20210228163726-mutt-send-email-mst@kernel.org> References: <20200730155755.188845-1-mst@redhat.com> <5b40e1ac-03ca-7954-4d50-f5f96c339772@proxmox.com> <1D984D1D-0DFB-49FC-BD7F-1AAF9B862A5D@protonmail.com> MIME-Version: 1.0 In-Reply-To: Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Received-SPF: pass client-ip=63.128.21.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.248, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: Eduardo Habkost , Stefan Reiter , qemu devel list , Igor Mammedov , Paolo Bonzini , Laszlo Ersek , Thomas Lamprecht , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Sun, Feb 28, 2021 at 09:28:26PM +0000, vit9696 wrote: > Thomas, macOS is not really "special" here, it is rather that you will not > frequently use boot options in a VM. One of the most popular uses for boot > options is to switch between the operating systems, but for virtual machines > it is rarely the case. However, macOS does indeed use boot options for itself. > One example is to install updates. As long as the created boot option is not > valid an automated reboot during the update installation may result in the > wrong bootloader being chosen or in a stall within the firmware UI awaiting > manual boot option selection. > > Michael, does your suggestion mean that the default approach will be to keep > the new behaviour, but if you manually specify an older q35 machine version it > will provide the original behaviour. If so, it seems fair to me. > > Best regards, > Vitaly Exactly. Vitaly, could you cook up a patch like this? -- MST