From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=192.55.52.88; helo=mga01.intel.com; envelope-from=star.zeng@intel.com; receiver=edk2-devel@lists.01.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 09AAC2034A866 for ; Sun, 29 Oct 2017 18:06:21 -0700 (PDT) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 29 Oct 2017 18:10:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.44,317,1505804400"; d="scan'208";a="1237001686" Received: from fmsmsx106.amr.corp.intel.com ([10.18.124.204]) by fmsmga002.fm.intel.com with ESMTP; 29 Oct 2017 18:10:11 -0700 Received: from fmsmsx115.amr.corp.intel.com (10.18.116.19) by FMSMSX106.amr.corp.intel.com (10.18.124.204) with Microsoft SMTP Server (TLS) id 14.3.319.2; Sun, 29 Oct 2017 18:10:11 -0700 Received: from shsmsx152.ccr.corp.intel.com (10.239.6.52) by fmsmsx115.amr.corp.intel.com (10.18.116.19) with Microsoft SMTP Server (TLS) id 14.3.319.2; Sun, 29 Oct 2017 18:10:11 -0700 Received: from shsmsx102.ccr.corp.intel.com ([169.254.2.175]) by SHSMSX152.ccr.corp.intel.com ([169.254.6.93]) with mapi id 14.03.0319.002; Mon, 30 Oct 2017 09:09:51 +0800 From: "Zeng, Star" To: Laszlo Ersek , Julien Grall , edk2-devel-01 , "heyi.guo@linaro.org" , "Ni, Ruiyu" CC: Anthony PERARD , Leif Lindholm , Ard Biesheuvel , "Zeng, Star" Thread-Topic: [edk2] Xen Console input very slow in recent UEFI Thread-Index: AQHTTkpxA/6A8SUWxES0Eju2m2RUQqL1tzkAgAACEQCAADVdAIABCqIggAAlIwCAAAs8AIAAKGyAgARHmwA= Date: Mon, 30 Oct 2017 01:09:50 +0000 Message-ID: <0C09AFA07DD0434D9E2A0C6AEB0483103B9AF405@shsmsx102.ccr.corp.intel.com> References: <7516a301-dfbb-5bd4-5e1e-ccd18c26db30@linaro.org> <74e0ac36-195f-9275-922e-e499a513569f@redhat.com> <32b3c432-7f17-c387-5334-a6826d6fa769@redhat.com> <0C09AFA07DD0434D9E2A0C6AEB0483103B9AEB7F@shsmsx102.ccr.corp.intel.com> <68c947a5-34f9-f91e-3670-88182163a2f2@redhat.com> <5a867af3-0a19-b7b2-f656-55dde0df1a75@redhat.com> In-Reply-To: <5a867af3-0a19-b7b2-f656-55dde0df1a75@redhat.com> Accept-Language: zh-CN, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] MIME-Version: 1.0 Subject: Re: Xen Console input very slow in recent UEFI X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Oct 2017 01:06:22 -0000 Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 SSBkbyBub3QgdGhpbmsgU2VyaWFsRHhlIHNob3VsZCBoYW5kbGUgRUZJX0lOVkFMSURfUEFSQU1F VEVSIHJldHVybiB2YWx1ZSBmcm9tIFNlcmlhbFBvcnRTZXRBdHRyaWJ1dGVzKCkuDQpJZiB0aGUg 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