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[83.59.162.106]) by smtp.gmail.com with ESMTPSA id 24sm2729984wmg.8.2020.10.16.06.16.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 16 Oct 2020 06:16:21 -0700 (PDT) Subject: Re: [PATCH 0/4] RfC: microvm: add second ioapic To: Gerd Hoffmann , qemu-devel@nongnu.org References: <20201016114328.18835-1-kraxel@redhat.com> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Message-ID: Date: Fri, 16 Oct 2020 15:16:20 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.3.1 MIME-Version: 1.0 In-Reply-To: <20201016114328.18835-1-kraxel@redhat.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=216.205.24.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/15 20:29:24 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 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, NICE_REPLY_A=-0.253, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=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: Laurent Vivier , Eduardo Habkost , Sergio Lopez , "Michael S. Tsirkin" , Paolo Bonzini , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 10/16/20 1:43 PM, Gerd Hoffmann wrote: > Add a second ioapic to microvm. Gives us more IRQ lines we can > use for virtio-mmio devices. Bump number of possible virtio-mmio > devices from 8 to 24. > > Gerd Hoffmann (4): > microvm: make number of virtio transports runtime configurable > microvm: make pcie irq base runtime configurable > microvm: add second ioapic > microvm: reconfigure irqs if second ioapic is available After looking at Laurent's m68k virt machine, I wonder if it is possible to use the Goldfish-PIC with the MicroVM instead (or another Goldfish machine type).