From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 29B83A04A8; Wed, 26 Jan 2022 15:28:13 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 9CAD14273F; Wed, 26 Jan 2022 15:28:12 +0100 (CET) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by mails.dpdk.org (Postfix) with ESMTP id 8E96742716 for ; Wed, 26 Jan 2022 15:28:11 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643207291; x=1674743291; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=Gfi7f2hGnu3Ko114UWiJYqBamGeDH2p3+oY950OKDDI=; b=Wmz7MlMclV+DJmABhObVxiCiGx14d/6S5L3mhI/L0l82DL0NyvSAvFQ2 XhglLFNBn2YWtbz6mbnFahde4XBSJnh8aqQncwwD+4zr2s++9rJNajt6P /RdKfawSYF7+1A/R0Kl68LMI3RBx8OMQSAOwREdJbZQ0eMjlJbWUTGXpw 1QSA3hTavPTRrPo4sPzEVz8T6rc9fuuFpjb24snva1d4IMYlU+DVvUfUc uVpdOejThDXV6/K8THdqaJHlvfwmWzZGAwRcUwYSY2xJ1h2IgYUThxQ+y carVHUL8Mpr77mCaPhynJMTVt5Y5xzTkA+7yhX96TwyRMUPYMB/lLC1Iq g==; X-IronPort-AV: E=McAfee;i="6200,9189,10238"; a="332913477" X-IronPort-AV: E=Sophos;i="5.88,318,1635231600"; d="scan'208";a="332913477" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jan 2022 06:28:10 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,318,1635231600"; d="scan'208";a="477494925" Received: from fmsmsx606.amr.corp.intel.com ([10.18.126.86]) by orsmga003.jf.intel.com with ESMTP; 26 Jan 2022 06:28:10 -0800 Received: from shsmsx603.ccr.corp.intel.com (10.109.6.143) by fmsmsx606.amr.corp.intel.com (10.18.126.86) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Wed, 26 Jan 2022 06:28:09 -0800 Received: from shsmsx601.ccr.corp.intel.com (10.109.6.141) by SHSMSX603.ccr.corp.intel.com (10.109.6.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Wed, 26 Jan 2022 22:28:07 +0800 Received: from shsmsx601.ccr.corp.intel.com ([10.109.6.141]) by SHSMSX601.ccr.corp.intel.com ([10.109.6.141]) with mapi id 15.01.2308.020; Wed, 26 Jan 2022 22:28:07 +0800 From: "Zhang, Qi Z" To: Feifei Wang , "Xing, Beilei" CC: "dev@dpdk.org" , "Wang, Haiyue" , "nd@arm.com" , Ruifeng Wang Subject: RE: [PATCH v2] net/i40e: reduce redundant store operation Thread-Topic: [PATCH v2] net/i40e: reduce redundant store operation Thread-Index: AQHX9kJr+jSNfuo2mESe+otMIy0gAqx1kzQQ Date: Wed, 26 Jan 2022 14:28:07 +0000 Message-ID: <81e2007f120a41ecab83ac3575f74fae@intel.com> References: <20211221081121.444021-1-feifei.wang2@arm.com> In-Reply-To: <20211221081121.444021-1-feifei.wang2@arm.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-reaction: no-action dlp-version: 11.6.200.16 dlp-product: dlpe-windows x-originating-ip: [10.239.127.36] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogRmVpZmVpIFdhbmcgPGZl aWZlaS53YW5nMkBhcm0uY29tPg0KPiBTZW50OiBUdWVzZGF5LCBEZWNlbWJlciAyMSwgMjAyMSA0 OjExIFBNDQo+IFRvOiBYaW5nLCBCZWlsZWkgPGJlaWxlaS54aW5nQGludGVsLmNvbT4NCj4gQ2M6 IGRldkBkcGRrLm9yZzsgV2FuZywgSGFpeXVlIDxoYWl5dWUud2FuZ0BpbnRlbC5jb20+OyBuZEBh cm0uY29tOw0KPiBGZWlmZWkgV2FuZyA8ZmVpZmVpLndhbmcyQGFybS5jb20+OyBSdWlmZW5nIFdh bmcNCj4gPHJ1aWZlbmcud2FuZ0Bhcm0uY29tPg0KPiBTdWJqZWN0OiBbUEFUQ0ggdjJdIG5ldC9p NDBlOiByZWR1Y2UgcmVkdW5kYW50IHN0b3JlIG9wZXJhdGlvbg0KPiANCj4gRm9yIGZyZWUgYnVm ZmVyIG9wZXJhdGlvbiBpbiBpNDBlIHZlY3RvciBwYXRoLCBpdCBpcyB1bm5lY2Vzc2FyeSB0byBz dG9yZSAnTlVMTCcNCj4gaW50byB0eGVwLm1idWYuIFRoaXMgaXMgYmVjYXVzZSB3aGVuIHB1dHRp bmcgbWJ1ZiBpbnRvIFR4IHF1ZXVlLCB0eF90YWlsIGlzDQo+IHRoZSBzZW50aW5lbC4gQW5kIHdo ZW4gZG9pbmcgdHhfZnJlZSwgdHhfbmV4dF9kZCBpcyB0aGUgc2VudGluZWwuIEluIGFsbA0KPiBw cm9jZXNzZXMsIG1idWY9PU5VTEwgaXMgbm90IGEgY29uZGl0aW9uIGluIGNoZWNrLg0KPiBUaHVz IHJlc2V0IG9mIG1idWYgaXMgdW5uZWNlc3NhcnkgYW5kIGNhbiBiZSBvbWl0dGVkLg0KPiANCj4g U2lnbmVkLW9mZi1ieTogRmVpZmVpIFdhbmcgPGZlaWZlaS53YW5nMkBhcm0uY29tPg0KPiBSZXZp ZXdlZC1ieTogUnVpZmVuZyBXYW5nIDxydWlmZW5nLndhbmdAYXJtLmNvbT4NCj4gLS0tDQo+IA0K PiB2MjogcmVtb3ZlIHRoZSBjaGFuZ2UgZm9yIHNjYWxhciBwYXRoIGR1ZSB0byBzY2FsYXIgcGF0 aCBuZWVkcyB0byBjaGVjaw0KPiB3aGV0aGVyIHRoZSBtYnVmIGlzICdOVUxMJyB0byByZWxlYXNl IGFuZCBjbGVhbiB1cCAoSGFpeXVlKQ0KPiANCj4gIGRyaXZlcnMvbmV0L2k0MGUvaTQwZV9yeHR4 X3ZlY19jb21tb24uaCB8IDEgLQ0KPiAgMSBmaWxlIGNoYW5nZWQsIDEgZGVsZXRpb24oLSkNCj4g DQo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL25ldC9pNDBlL2k0MGVfcnh0eF92ZWNfY29tbW9uLmgN Cj4gYi9kcml2ZXJzL25ldC9pNDBlL2k0MGVfcnh0eF92ZWNfY29tbW9uLmgNCj4gaW5kZXggZjlh N2Y0NjU1MC4uMjZkZWI1OWZjNCAxMDA2NDQNCj4gLS0tIGEvZHJpdmVycy9uZXQvaTQwZS9pNDBl X3J4dHhfdmVjX2NvbW1vbi5oDQo+ICsrKyBiL2RyaXZlcnMvbmV0L2k0MGUvaTQwZV9yeHR4X3Zl Y19jb21tb24uaA0KPiBAQCAtMTAzLDcgKzEwMyw2IEBAIGk0MGVfdHhfZnJlZV9idWZzKHN0cnVj dCBpNDBlX3R4X3F1ZXVlICp0eHEpDQo+ICAJaWYgKHR4cS0+b2ZmbG9hZHMgJiBSVEVfRVRIX1RY X09GRkxPQURfTUJVRl9GQVNUX0ZSRUUpIHsNCj4gIAkJZm9yIChpID0gMDsgaSA8IG47IGkrKykg ew0KPiAgCQkJZnJlZVtpXSA9IHR4ZXBbaV0ubWJ1ZjsNCj4gLQkJCXR4ZXBbaV0ubWJ1ZiA9IE5V TEw7DQoNCkkgd2lsbCBzdWdnZXN0IHRvIHN0aWxsIGFkZCBzb21lIGNvbW1lbnQgaGVyZSBqdXN0 IGZvciBleHBsYWluaW5nLCB0aGlzIG1heSBoZWxwIHRvIGF2b2lkIHVubmVjZXNzYXJ5IHN1c3Bl Y3Qgd2hlbiBzb21lb25lIHJlYWRpbmcgb3IgZGVidWcgb24gdGhlc2UgY29kZSDwn5iKIA0KDQoN Cj4gIAkJfQ0KPiAgCQlydGVfbWVtcG9vbF9wdXRfYnVsayhmcmVlWzBdLT5wb29sLCAodm9pZCAq KilmcmVlLCBuKTsNCj4gIAkJZ290byBkb25lOw0KPiAtLQ0KPiAyLjI1LjENCg0K