From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 474CDC61D97 for ; Wed, 22 Nov 2023 16:49:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231685AbjKVQtM (ORCPT ); Wed, 22 Nov 2023 11:49:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34236 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229464AbjKVQtL (ORCPT ); Wed, 22 Nov 2023 11:49:11 -0500 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F054C1B2; Wed, 22 Nov 2023 08:49:04 -0800 (PST) Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3AMDcVQh009288; Wed, 22 Nov 2023 16:48:33 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=message-id : date : mime-version : to : cc : references : subject : from : in-reply-to : content-type : content-transfer-encoding; s=qcppdkim1; bh=SKT9R9iYjff926YXo3eXJuJgeIo1hmrH5Haye2g1Cp4=; b=Vji5iL0JnOfkk+4+bLuGS4IcvwVvp4gDguydjk1Dd6Oek1lSCucr9cwdDntEAspiXPb8 OMmTcv1T/9JoCI4ZVMqyl/baceEq8amZCaQXqmjInAj+ufI1ur0NX7k59mCW7AeNN7gk ZmWK42HCGzkJQ9Bp9fxYth64Aqbe7v9Vf2FYd9ePdvio5ADObrB43ZVAfq8QNEZgh2Qi w2s597yyA2CA/RJZwm0eWMIzoRqRVQAoA3HbvuwZsMX0hxfs2eLvTjI9GrbtzmJi9O36 DYoNKSpLaRriENGiMWIEQIqx0aXLDnDdZpWHQfkQtCsFvV2DLXTI9CdGEMEPA8fk+KEP 8w== Received: from nasanppmta05.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3uhf6ks201-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 22 Nov 2023 16:48:32 +0000 Received: from nasanex01c.na.qualcomm.com (nasanex01c.na.qualcomm.com [10.45.79.139]) by NASANPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 3AMGmV7b002454 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 22 Nov 2023 16:48:31 GMT Received: from [10.50.4.8] (10.80.80.8) by nasanex01c.na.qualcomm.com (10.45.79.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Wed, 22 Nov 2023 08:48:23 -0800 Message-ID: Date: Wed, 22 Nov 2023 22:18:20 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: CC: , , , , , , , , , , , , , , , , , , , , , , , , References: <20231111111559.8218-1-yong.wu@mediatek.com> Subject: Re: [PATCH v2 0/8] dma-buf: heaps: Add secure heap Content-Language: en-US From: Pratyush Brahma In-Reply-To: <20231111111559.8218-1-yong.wu@mediatek.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01c.na.qualcomm.com (10.45.79.139) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: LBMlHL-ANHDe-VZJD3DCpoZKmUAAXEK8 X-Proofpoint-ORIG-GUID: LBMlHL-ANHDe-VZJD3DCpoZKmUAAXEK8 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-22_12,2023-11-22_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 lowpriorityscore=0 bulkscore=0 phishscore=0 priorityscore=1501 clxscore=1011 adultscore=0 mlxlogscore=500 spamscore=0 suspectscore=0 impostorscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311220121 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi We have sent a patch series at [1] using this series to add support for Qualcomm secure heaps. Instead of TEE calls, it uses qcom_scm_assign_mem() to secure the memory. Thanks, Pratyush [1] https://lore.kernel.org/lkml/cover.1700544802.git.quic_vjitta@quicinc.com/