From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from NAM02-SN1-obe.outbound.protection.outlook.com (mail-sn1nam02on0720.outbound.protection.outlook.com [IPv6:2a01:111:f400:fe44::720]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 546D41A1E56 for ; Wed, 12 Oct 2016 20:40:51 -0700 (PDT) Received: from AT5PR84MB0276.NAMPRD84.PROD.OUTLOOK.COM (10.162.138.22) by AT5PR84MB0276.NAMPRD84.PROD.OUTLOOK.COM (10.162.138.22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.659.11; Thu, 13 Oct 2016 03:40:49 +0000 Received: from AT5PR84MB0276.NAMPRD84.PROD.OUTLOOK.COM ([10.162.138.22]) by AT5PR84MB0276.NAMPRD84.PROD.OUTLOOK.COM ([10.162.138.22]) with mapi id 15.01.0659.020; Thu, 13 Oct 2016 03:40:49 +0000 From: "Anbazhagan, Baraneedharan" To: "edk2-devel@lists.01.org" Thread-Topic: SmmCommunicationCommunicate question? Thread-Index: AdIlA3HcA9E3oGk2RRupWmjny+Ofug== Date: Thu, 13 Oct 2016 03:40:49 +0000 Message-ID: Accept-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=anbazhagan@hp.com; x-originating-ip: [66.135.176.178] x-ms-office365-filtering-correlation-id: 0de72034-26b5-4887-6e7a-08d3f31ab953 x-microsoft-exchange-diagnostics: 1; AT5PR84MB0276; 6:RIoAPE58H5tOFyTI1NxCHPQ2Q9G0+yMOOhG5tnb+HdPfBuWgFKue16rK16GCxvq6ylcXSWAT9hDwnSPxrc20B+yTr517dL94yDb1wPB6C04nlgEVZEZonwClWW8uyKxrv/EVZaLX6LXaOluMwANlGxB91MBm05vp/9PDP6Ioy2F9JxLNblkgSCL43mfPXN6eloSE2VBti+/GZYm84AJp5p8cjyz4ahQRqnRb6m/3gXGySFTexyFMnOteOkscm01WE4bm7CzHMCNP4WiC6hweSYC37pW4sR9zxGMa12896uni/TDuTXP8RB+pD+orku+r; 5:AOj6Fh4cv/UDC7T/YRiVf2BpZ5YNqHoNF/zc5jLYLETdh3hSG/+LiWgSJ12/MMn3IUIaUO14M9eZjc81ME5gIedw0BKJ4ZzWuQ+9OJAj5n2E0Bnd4uTYYa+dBRK0iPF9qnWX97M4nfoShXRMfkik/4jfDWlHmf+3YFa5gWUd/w0=; 24:YOh8LmBlQrckWs+utozeuJMPO5vUDrbGKXbFLV07foBf8ofyi49HUKMO90LBQM/6dOtmXMxwaa3X5dJaYTQ+qow0ZH4brGn9lSiO4x1M3ME=; 7:oGhCt2DAwAjb3efMJ54ttxa2CUDjrz1sMmXJc0cXL37exBA3d7wz/mml6WFcCpX2gAyedKYM0ehu/aoJhWNJDViy6J/3UX3hJNePNsRftwm2PpyGv+BDi6ZFPKSdwysQvK0yJ/cm1zMtbP1Gcuw0Yuq3RaD5Zv8csZuW+21A///ciFhYCfDsLdVOBqoZ10+khO5QrniUK85uy70BUvAhPoNnHim1QNUPPcsXum5vpBrgJe7E5zEGepN5bdIcUMv3+Et/9lCrTl1Z0Lcl7gf3gkfbBPzzmKi45uKGg9/eh98uK2/OGUlsJ92hT+epri9Wp1UOEnbg6LgCl2SpWBlFGkdueqG5JgGJA6OIxeDjczQ= x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:AT5PR84MB0276; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(21748063052155); x-exchange-antispam-report-cfa-test: BCL:0; PCL:0; RULEID:(6040176)(601004)(2401047)(5005006)(8121501046)(10201501046)(3002001); SRVR:AT5PR84MB0276; BCL:0; PCL:0; RULEID:; SRVR:AT5PR84MB0276; x-forefront-prvs: 0094E3478A x-forefront-antispam-report: SFV:NSPM; SFS:(10019020)(6009001)(7916002)(199003)(6602003)(189002)(54356999)(3280700002)(6116002)(19580395003)(110136003)(9686002)(5660300001)(101416001)(68736007)(7696004)(7116003)(86362001)(77096005)(50986999)(5002640100001)(74316002)(2900100001)(7846002)(7736002)(558084003)(3480700004)(8936002)(586003)(6916009)(3660700001)(11100500001)(15975445007)(106356001)(122556002)(81156014)(105586002)(81166006)(2501003)(450100001)(229853001)(87936001)(2351001)(8676002)(66066001)(102836003)(19300405004)(2906002)(97736004)(19625215002)(16236675004)(10400500002)(189998001)(3846002)(99286002)(92566002)(107886002)(790700001)(33656002); DIR:OUT; SFP:1102; SCL:1; SRVR:AT5PR84MB0276; H:AT5PR84MB0276.NAMPRD84.PROD.OUTLOOK.COM; FPR:; SPF:None; PTR:InfoNoRecords; A:1; MX:1; LANG:en; received-spf: None (protection.outlook.com: hp.com does not designate permitted sender hosts) spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: hp.com X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Oct 2016 03:40:49.1672 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: ca7981a2-785a-463d-b82a-3db87dfc3ce6 X-MS-Exchange-Transport-CrossTenantHeadersStamped: AT5PR84MB0276 X-Content-Filtered-By: Mailman/MimeDel 2.1.21 Subject: SmmCommunicationCommunicate question? X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 13 Oct 2016 03:40:51 -0000 Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Whether TPL needs to be raised before setting CommunicationBuffer and Buffe= rSize in gSmmCorePrivate to avoid a callback overwriting those values befor= e triggering SW SMI? -Baranee