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Mon, 13 Nov 2023 12:01:18 +0000 Received: from VI1PR03MB3710.eurprd03.prod.outlook.com ([fe80::8e03:368:1fd7:1822]) by VI1PR03MB3710.eurprd03.prod.outlook.com ([fe80::8e03:368:1fd7:1822%5]) with mapi id 15.20.6977.028; Mon, 13 Nov 2023 12:01:17 +0000 From: Volodymyr Babchuk To: David Woodhouse CC: "qemu-devel@nongnu.org" , Oleksandr Tyshchenko , Peter Maydell , Stefano Stabellini , Anthony Perard , Paul Durrant , "open list:ARM TCG CPUs" , "open list:X86 Xen CPUs" Subject: Re: [PATCH v1 7/7] xen_arm: Add basic virtio-pci support Thread-Topic: [PATCH v1 7/7] xen_arm: Add basic virtio-pci support Thread-Index: AQHaFBZpa05Dc66DRUqpQfiy75awpbB3Qk0AgADZWAA= Date: Mon, 13 Nov 2023 12:01:17 +0000 Message-ID: <87v8a57tgz.fsf@epam.com> References: <20231110204207.2927514-1-volodymyr_babchuk@epam.com> <20231110204207.2927514-8-volodymyr_babchuk@epam.com> <6119beefbf169cfa2626acd7201946f3f588fa3e.camel@infradead.org> In-Reply-To: <6119beefbf169cfa2626acd7201946f3f588fa3e.camel@infradead.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: mu4e 1.10.7; 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envelope-from=prvs=56810bf7ac=volodymyr_babchuk@epam.com; helo=mx0a-0039f301.pphosted.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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Hi David, David Woodhouse writes: > [[S/MIME Signed Part:Undecided]] > On Fri, 2023-11-10 at 20:42 +0000, Volodymyr Babchuk wrote: >> From: Oleksandr Tyshchenko >>=20 >> This patch adds basic virtio-pci support for xen_arm machine. > > Why only xen_arm? Couldn't this be a fairly generic device which can be > instantiated on x86 too, both for real and emulated Xen guests? And > riscv/ppc too? This is the architecture-specific code. Actually, from QEMU point of view, this code just adds a virtual PCI bridge. For example, on x86 this is done in a some other way, so they already have virtio-pci working. --=20 WBR, Volodymyr=