Received: by 2002:a05:6358:11c7:b0:104:8066:f915 with SMTP id i7csp6373716rwl; Wed, 22 Mar 2023 09:45:26 -0700 (PDT) X-Google-Smtp-Source: AKy350Zp25yk9RU4y9CXfc/xSXXk1SFvr+H6mAo7Ey/ymwNiR0VtA18OopB0tdVOkZrMJmU+jxbY X-Received: by 2002:a17:903:22d2:b0:19c:dd49:9bf8 with SMTP id y18-20020a17090322d200b0019cdd499bf8mr2579703plg.28.1679503526083; Wed, 22 Mar 2023 09:45:26 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1679503526; cv=none; d=google.com; s=arc-20160816; b=yAt+xpeMcFwSBMEDPRMEXUPzq+wfKwBtXf0ueW/RnQt8eu/VbqN/e33f8k93CMUFCH utRuA/mE5glpuCUYBVEGAVigsdrUiQRa40xyFCKIbcncY/Xsg1UozCwgH+T2+sAxUOAc oxeSG8BiGf9yuOvmbUKKhLelfzQVnPu04Jbr5ZYd4zP4pVHkXj9hJpnWoAHsmow/p1qn MeCqXukT8y3SEG9F9XfyxTcENySFT/va/WmIdVroIDmqXks6nHLoOeLsj/QLcBSQ2uwg kK8x8w/UsMis+yfgCPZXOOlOVcKsH6VA6KstRrffnSilvQzh28BbeTB4Rc8ImeqQlUzp 6z2w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=gcqTSxkg9Wol3ogoC0biz3p4cbMg5nqp5GQxboymCyc=; b=KAiZvDyStEjf1aGMZDeo05UlVhHwd64vY9PkBUGELna10SdCPjrd9zGIoD/cBDQv3z RLQ8sY4l4qv9OYRWHHs89hmBwViYFs11PAb74Z+Jb5n4Kij2olsaXDWBA63fg/w6YESi Vv0hZxvVFHFi5IixkpM0gDArlkFd+O+LJNtJpMo133ZnhW8/N0tVJx1jHaeSGbYvR8PU ydGvmwX/WPHmWlAhYMjEL1AjdBYAdZ5RGMPmID8tgp5LmZ/+7VAGKJavA9k9qjvkK2xs AYawde/jtcytM+Q0O8RZqzGkThv70XHGHiX2jpbO6ZgANyMaakoqTSXoug7LqSwhTE1/ eiUg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id jx13-20020a170903138d00b001a1fc721c0csi268559plb.116.2023.03.22.09.45.13; Wed, 22 Mar 2023 09:45:26 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230009AbjCVQko (ORCPT + 99 others); Wed, 22 Mar 2023 12:40:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59246 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229496AbjCVQkn (ORCPT ); Wed, 22 Mar 2023 12:40:43 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id EF23A18149 for ; Wed, 22 Mar 2023 09:40:41 -0700 (PDT) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B8DD04B3; Wed, 22 Mar 2023 09:41:25 -0700 (PDT) Received: from bogus (unknown [10.57.52.160]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 8125F3F67D; Wed, 22 Mar 2023 09:40:40 -0700 (PDT) Date: Wed, 22 Mar 2023 16:40:07 +0000 From: Sudeep Holla To: Etienne Carriere Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, op-tee@lists.trustedfirmware.org, Sumit Garg , Jens Wiklander , Cristian Marussi Subject: Re: [PATCH v5 4/4] firmware: arm_scmi: optee: use optee system invocation Message-ID: <20230322164007.hjsjifg4wznxkgdz@bogus> References: <20230320162801.2811542-1-etienne.carriere@linaro.org> <20230320162801.2811542-4-etienne.carriere@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230320162801.2811542-4-etienne.carriere@linaro.org> X-Spam-Status: No, score=-2.3 required=5.0 tests=RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 20, 2023 at 05:28:01PM +0100, Etienne Carriere wrote: > Changes SCMI optee transport to call tee_client_system_session() > to request optee driver to provision an entry context in OP-TEE > for processing OP-TEE messages. This prevents possible deadlock > in case OP-TEE threads are all consumed while these may be waiting > for a clock or regulator to be enable which SCMI OP-TEE service which > requires a free thread context to execute. > Assuming it will be routed via OPTEE tree, Acked-by: Sudeep Holla -- Regards, Sudeep