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Message-ID: <20200325195950.0cdbe5a2@redhat.com> In-Reply-To: <20200325090429.gx4bpz244w4fcfz7@sirius.home.kraxel.org> References: <20200319080117.7725-1-kraxel@redhat.com> <20200319080117.7725-5-kraxel@redhat.com> <20200319150033.13f50947@redhat.com> <20200325090429.gx4bpz244w4fcfz7@sirius.home.kraxel.org> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 216.205.24.74 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 , Sergio Lopez , "Michael S. Tsirkin" , qemu-devel@nongnu.org, Paolo Bonzini , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Wed, 25 Mar 2020 10:04:29 +0100 Gerd Hoffmann wrote: > Hi, > > > > + { > > > + AcpiRsdpData rsdp_data = { > > > + .revision = 0, > > > + .oem_id = ACPI_BUILD_APPNAME6, > > > + .xsdt_tbl_offset = NULL, > > > + .rsdt_tbl_offset = &rsdt, > > are we interested in 32-bit guests? > > Well, sort-of. seabios runs in 32bit mode. seabios isn't consumer of it though, so as far as being loaded kernel is able to deal with xsdt it should be fine. > > if not than maybe use xsdt and newer revision like arm/virt does > > Point being? It's not like we can place the tables above 4G then. point is to use current standard vs legacy one on new machine > > cheers, > Gerd >