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Miller" , Michael Kelley CC: "netdev@vger.kernel.org" , "linux-hyperv@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH net-next] hv_sock: perf: Allow the socket buffer size options to influence the actual socket buffers Thread-Topic: [PATCH net-next] hv_sock: perf: Allow the socket buffer size options to influence the actual socket buffers Thread-Index: AdUQ8PsjFNIw2dWyQTKbqbtYd11NLgAATdkA Date: Wed, 22 May 2019 23:06:57 +0000 Message-ID: References: In-Reply-To: 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; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Owner=decui@microsoft.com; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SetDate=2019-05-22T23:06:55.7008782Z; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Name=General; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Application=Microsoft Azure Information Protection; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_ActionId=15a9214a-c30a-44ca-afda-bbf5be6c9efe; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Extended_MSFT_Method=Automatic authentication-results: spf=none (sender IP is ) smtp.mailfrom=decui@microsoft.com; x-originating-ip: [2001:4898:80e8:a:f13e:15cc:fc47:db6b] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 40b7f5b1-15f9-4157-92c6-08d6df0a30a8 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600141)(711020)(4605104)(4618075)(2017052603328)(7193020);SRVR:PU1P153MB0186; x-ms-traffictypediagnostic: PU1P153MB0186: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:2657; x-forefront-prvs: 0045236D47 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(366004)(39860400002)(346002)(376002)(396003)(136003)(199004)(189003)(46003)(53936002)(486006)(476003)(11346002)(446003)(99286004)(76176011)(76116006)(66556008)(6436002)(52536014)(33656002)(7696005)(66476007)(66946007)(14454004)(73956011)(64756008)(66446008)(102836004)(229853002)(4326008)(22452003)(6506007)(6246003)(71190400001)(186003)(316002)(25786009)(71200400001)(10290500003)(1511001)(5660300002)(256004)(478600001)(68736007)(6116002)(8990500004)(10090500001)(110136005)(54906003)(4744005)(8936002)(86362001)(9686003)(55016002)(81156014)(74316002)(6636002)(2906002)(81166006)(7736002)(8676002)(305945005)(86612001);DIR:OUT;SFP:1102;SCL:1;SRVR:PU1P153MB0186;H:PU1P153MB0169.APCP153.PROD.OUTLOOK.COM;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: L7cVqxRX0Sb4+iO1VjGPKpOgfKuJpcIIxq35jdGwUOHnT0xV/Ysm080rzooLWFEcq8FZ+1pAKhlsXsU5eSm+Qce5l1fcK5Y/0A4HZPYWNGm8bO6dvIsVC506g81qCxMaOcUuoeUgk4hH0qAd2rH2nzzgPKrSyj5KWDbufDRG+mSZXSx39BbkTmfPSF2i4A3aUufy2x6aKsR2m3KUcqK9MynfgSx1xjHFNxp+UdUfIz6Rzq1aAkzc3PniwFH3M1+J8HB2fzwo8LmSp58MlIHp0Yw2+sILQMb7gjGm0bktc3T5v4YUtHPwoaKZuCiXLb0diX00YHE1H6/u1hfo4JPGDmGi5Lr6XkmyQ2w/1OFbc7hd23MwOc8qIr/C+OjlD9nn884qvFIvXM9GerxG1BoKS2pyBKtN6C7pg6ltlyarLi4= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 40b7f5b1-15f9-4157-92c6-08d6df0a30a8 X-MS-Exchange-CrossTenant-originalarrivaltime: 22 May 2019 23:06:57.3937 (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: decui@microsoft.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: PU1P153MB0186 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > From: Sunil Muthuswamy > Sent: Wednesday, May 22, 2019 3:56 PM > ... > Currently, the hv_sock buffer size is static and can't scale to the > bandwidth requirements of the application. This change allows the > applications to influence the socket buffer sizes using the SO_SNDBUF and > the SO_RCVBUF socket options. > ... >=20 > Signed-off-by: Sunil Muthuswamy Reviewed-by: Dexuan Cui The patch looks good. Thanks, Sunil! Thanks, -- Dexuan