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[79.176.44.197]) by smtp.gmail.com with ESMTPSA id v64sm9635713wme.25.2020.11.26.09.05.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Nov 2020 09:05:30 -0800 (PST) Date: Thu, 26 Nov 2020 12:05:27 -0500 From: "Michael S. Tsirkin" To: Antoine Damhet Subject: Re: [DISCUSSION] Allow ACPI default OEM ID and OEM table ID fields to be set. Message-ID: <20201126120350-mutt-send-email-mst@kernel.org> References: <20201125132711.jqb7znxu5jpoanwi@tartarus> <20201125133251.GI30079@redhat.com> <20201125110221-mutt-send-email-mst@kernel.org> <20201125201322.urze5b7vwaa2t5sy@tartarus> <20201126051838-mutt-send-email-mst@kernel.org> <20201126125012.x6yzsou5rmlxagli@tartarus> <20201126082606-mutt-send-email-mst@kernel.org> <20201126163450.knb55wh2u7k2qgbb@tartarus> MIME-Version: 1.0 In-Reply-To: <20201126163450.knb55wh2u7k2qgbb@tartarus> 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=216.205.24.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: Igor Mammedov , lersek@redhat.com, "Richard W.M. Jones" , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Thu, Nov 26, 2020 at 05:34:50PM +0100, Antoine Damhet wrote: > On Thu, Nov 26, 2020 at 08:29:41AM -0500, Michael S. Tsirkin wrote: > > On Thu, Nov 26, 2020 at 01:50:12PM +0100, Antoine Damhet wrote: > > > On Thu, Nov 26, 2020 at 06:09:11AM -0500, Michael S. Tsirkin wrote: > > > > On Wed, Nov 25, 2020 at 09:13:22PM +0100, Antoine Damhet wrote: > > > > > On Wed, Nov 25, 2020 at 11:04:55AM -0500, Michael S. Tsirkin wrote: > > > > > > On Wed, Nov 25, 2020 at 01:32:51PM +0000, Richard W.M. Jones wrote: > > > > > > > On Wed, Nov 25, 2020 at 02:27:11PM +0100, Antoine Damhet wrote: > > [...] > > > Exactly so I ask myself whether it's worth it, their next version > > will check CPUID and then where are we? > > Then I guess they will have to admit that they are purposefully blocking > VM use and it's not our problem anymore. > > > But maybe it's time we just changed all these IDs to e.g. QEMU. > > We are very far from bochs generated tables by now. > > That's a good idea, but I still think they should be user override-able > (unless you think it would be a heavy maintenance burden, in that case > you are king in your castle :D ) > > > Question is will this cause annoyances with e.g. windows guests? > > Windows 10 guests seems unaffected, I cannot say for the other > versions/servers editions. unaffected yes, but what about things like reactivation, warning about system changes at boot or reinstalling drivers? changing acpi significantly does this sometimes ... > > Igor what's your experience with this? > > [...] > > -- > Antoine 'xdbob' Damhet