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Thu, 18 Jun 2020 15:26:23 +0000 From: Michael Kelley To: "Andrea Parri (Microsoft)" , KY Srinivasan , Haiyang Zhang , Stephen Hemminger , Wei Liu CC: "linux-hyperv@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH 2/8] Drivers: hv: vmbus: Remove the numa_node field from the vmbus_channel struct Thread-Topic: [PATCH 2/8] Drivers: hv: vmbus: Remove the numa_node field from the vmbus_channel struct Thread-Index: AQHWRMcMODbmTdsuAkun0jbzKF913ajef3kw Date: Thu, 18 Jun 2020 15:26:23 +0000 Message-ID: References: <20200617164642.37393-1-parri.andrea@gmail.com> <20200617164642.37393-3-parri.andrea@gmail.com> In-Reply-To: <20200617164642.37393-3-parri.andrea@gmail.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_SetDate=2020-06-18T15:26:21Z; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Method=Standard; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Name=Internal; 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x-ms-exchange-antispam-messagedata: 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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM5PR2101MB1047.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: aaf53fc1-c96e-4b40-59e8-08d8139bf595 X-MS-Exchange-CrossTenant-originalarrivaltime: 18 Jun 2020 15:26:23.2527 (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: bNqmxKje35mmtqn0M85eKyhGtvdtcTTowwfe0IzC5TPXP+sBp85Gb8FBrR8S1emGYukkn+nH0DimqKKvWbl/9P+DVpVD6fh5XFK/dwiwi14= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR21MB1290 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andrea Parri (Microsoft) Sent: Wednesday, Ju= ne 17, 2020 9:47 AM >=20 > The field is read only in numa_node_show() and it is already stored twice > (after a call to cpu_to_node()) in target_cpu_store() and init_vp_index()= ; > there is no need to "cache" its value in the channel data structure. >=20 > Signed-off-by: Andrea Parri (Microsoft) > --- > drivers/hv/channel_mgmt.c | 2 -- > drivers/hv/vmbus_drv.c | 3 +-- > include/linux/hyperv.h | 1 - > 3 files changed, 1 insertion(+), 5 deletions(-) Reviewed-by: Michael Kelley