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[23.128.96.18]) by mx.google.com with ESMTP id e13si4905470edy.52.2021.08.05.02.01.40; Thu, 05 Aug 2021 02:02:03 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236276AbhHEIBl (ORCPT + 99 others); Thu, 5 Aug 2021 04:01:41 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:12453 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231377AbhHEIBk (ORCPT ); Thu, 5 Aug 2021 04:01:40 -0400 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4GgLZ60XsJzcl9Q; Thu, 5 Aug 2021 15:57:50 +0800 (CST) Received: from dggema757-chm.china.huawei.com (10.1.198.199) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2176.2; Thu, 5 Aug 2021 16:01:24 +0800 Received: from [127.0.0.1] (10.69.38.203) by dggema757-chm.china.huawei.com (10.1.198.199) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Thu, 5 Aug 2021 16:01:23 +0800 Subject: Re: [PATCH 0/2] coresight: ultrasoc: Add support for System Memory Buffer device To: Mathieu Poirier , Linuxarm CC: "Suzuki K. Poulose" , Mike Leach , Coresight ML , "Linux Kernel Mailing List" , linux-arm-kernel References: <20210719111737.47891-1-liuqi115@huawei.com> <41661d60-d8ef-9d50-57eb-8964c6f6eef8@huawei.com> From: "liuqi (BA)" Message-ID: <78495198-9b9d-20ce-030b-6243426c8a47@huawei.com> Date: Thu, 5 Aug 2021 16:01:23 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit X-Originating-IP: [10.69.38.203] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggema757-chm.china.huawei.com (10.1.198.199) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021/8/4 22:31, Mathieu Poirier wrote: > On Wed, 4 Aug 2021 at 02:05, liuqi (BA) wrote: >> >> Gentle ping... >> Hi Mathieu and Suzuki, can you have a look at this patchset? thanks. >> > > On August 2nd I got back to you privately saying I won't be able to > review this patchset before the last week of August or the first week > of September. Pinging me again on it won't change that reality. > Hi Mathieu, Sorry for pinging again as I didn't see that email, perhaps because it is not captured to my coresight subfolder by my mailbox filtering rule :(. I'll wait patiently for your reply. Thanks, Qi >> On 2021/7/19 19:17, Qi Liu wrote: >>> This patchset add support for SMB(System Memory Buffer) device, SMB >>> obtains CPU instructions from Coresight ETM device and stores these >>> messages in system memory. >>> SMB is developed by Ultrasoc technology, which is acquired by Siemens, >>> and we still use "Ultrasoc" to name document and driver. >>> >>> Change since RFC: >>> - Move ultrasoc driver to drivers/hwtracing/coresight. >>> - Remove ultrasoc-axi-com.c, as AXI-COM doesn't need to be configured in >>> basic tracing function. >>> - Remove ultrasoc.c as SMB does not need to register with the ultrasoc core. >>> - Address the comments from Mathieu and Suzuki. >>> - Link: https://lists.linaro.org/pipermail/coresight/2021-June/006535.html >>> >>> Qi Liu (2): >>> Documentation: tracing: Documentation for ultrasoc SMB drivers >>> coresight: ultrasoc: Add System Memory Buffer driver >>> >>> .../trace/coresight/ultrasoc-trace.rst | 193 +++++ >>> MAINTAINERS | 7 + >>> drivers/hwtracing/coresight/Kconfig | 3 + >>> drivers/hwtracing/coresight/Makefile | 2 + >>> drivers/hwtracing/coresight/ultrasoc/Kconfig | 12 + >>> drivers/hwtracing/coresight/ultrasoc/Makefile | 6 + >>> .../coresight/ultrasoc/ultrasoc-smb.c | 722 ++++++++++++++++++ >>> .../coresight/ultrasoc/ultrasoc-smb.h | 142 ++++ >>> 8 files changed, 1087 insertions(+) >>> create mode 100644 Documentation/trace/coresight/ultrasoc-trace.rst >>> create mode 100644 drivers/hwtracing/coresight/ultrasoc/Kconfig >>> create mode 100644 drivers/hwtracing/coresight/ultrasoc/Makefile >>> create mode 100644 drivers/hwtracing/coresight/ultrasoc/ultrasoc-smb.c >>> create mode 100644 drivers/hwtracing/coresight/ultrasoc/ultrasoc-smb.h >>> >> > . >