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Wed, 4 Dec 2019 19:44:57 +0000 From: Michael Kelley To: "longli@linuxonhyperv.com" , KY Srinivasan , Haiyang Zhang , Stephen Hemminger , Sasha Levin , Lorenzo Pieralisi , Andrew Murray , Bjorn Helgaas , "linux-hyperv@vger.kernel.org" , "linux-pci@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: Long Li Subject: RE: [Patch v2 2/2] PCI: hv: Add support for protocol 1.3 and support PCI_BUS_RELATIONS2 Thread-Topic: [Patch v2 2/2] PCI: hv: Add support for protocol 1.3 and support PCI_BUS_RELATIONS2 Thread-Index: AQHVqk4QCmd6fp+5IUqR2bXfsR0Lw6eqYYPg Date: Wed, 4 Dec 2019 19:44:57 +0000 Message-ID: References: <1575428017-87914-1-git-send-email-longli@linuxonhyperv.com> <1575428017-87914-2-git-send-email-longli@linuxonhyperv.com> In-Reply-To: <1575428017-87914-2-git-send-email-longli@linuxonhyperv.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Enabled=True; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SiteId=72f988bf-86f1-41af-91ab-2d7cd011db47; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5827f7cc-42d5-46ca-d852-08d778f2715f X-MS-Exchange-CrossTenant-originalarrivaltime: 04 Dec 2019 19:44:57.4470 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: gIJEQQ72AZOl/DpMWtg7O47Jwbix641D2hGMV9GN9PlUcGljilqnSBdcnxFw/8FVyjQ08+7Iloiv3EQUlP2Rp4JqbQZWihWhUIhH3228tLQ= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR21MB0823 Sender: linux-hyperv-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org From: Long Li Sent: Tuesday, December 3, 2019 6:54 P= M >=20 > Starting with Hyper-V PCI protocol version 1.3, the host VSP can send > PCI_BUS_RELATIONS2 and pass the vNUMA node information for devices on the= bus. > The vNUMA node tells which guest NUMA node this device is on based on gue= st > VM configuration topology and physical device inforamtion. >=20 > The patch adds code to negotiate v1.3 and process PCI_BUS_RELATIONS2. >=20 > Signed-off-by: Long Li > --- >=20 > Changes > v2: Changed some spaces to tabs, added put_pcichild() after get_pcichild_= wslot(), renamed > pci_assign_numa_node() to hv_pci_assign_numa_node() >=20 > drivers/pci/controller/pci-hyperv.c | 109 ++++++++++++++++++++++++++++ > 1 file changed, 109 insertions(+) >=20 Reviewed-by: Michael Kelley