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 80806C64EC7 for ; Tue, 28 Feb 2023 22:50:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229773AbjB1WuR (ORCPT ); Tue, 28 Feb 2023 17:50:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43136 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229793AbjB1WuP (ORCPT ); Tue, 28 Feb 2023 17:50:15 -0500 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AF4713647F; Tue, 28 Feb 2023 14:50:10 -0800 (PST) Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 31SMnrnE003559; Tue, 28 Feb 2023 22:49:53 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=message-id : date : mime-version : subject : to : cc : references : from : in-reply-to : content-type : content-transfer-encoding; s=qcppdkim1; bh=8hbj9FVsC8MkAvZTRgwp0ubCfbbv/XN8YWwY7/fEfH4=; b=lp0Liu19f7poMWbgng0o0JCywYnoE1r6yAr/BDHxJOJqc4qghEf1JzYAQJyAEVAW8uzV 9d7bL1TdgteD1lF/uzP+/VtrIlJI4EiCTLpXkDZY4H+zFJoSyD+NqRKa1X2K3RBunzQ6 EUt++kBiFjLHNG6efi0qKH7UrLN9MPByut5URONTvzQmNlhMbsyBcHeM0/x66BOat+7r oGvGXUj7GbKxUXFg3vjzkdAdA7XXV/yyydEMjMjtpbtKyZZ7w0AaiTMfqZa39NRd8aTb /msiDPJQ5eW6KxL1zm2WN88h22KswahNfqAmI4i65T7YLidYRbSdfACG6muDNbVw23qM 9g== Received: from nasanppmta03.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3p1cq5tkpx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 28 Feb 2023 22:49:53 +0000 Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 31SMnqLX021718 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 28 Feb 2023 22:49:52 GMT Received: from [10.134.65.165] (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.41; Tue, 28 Feb 2023 14:49:51 -0800 Message-ID: <8fe7f45d-aadc-d680-3651-f981575e56a4@quicinc.com> Date: Tue, 28 Feb 2023 14:49:50 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 Subject: Re: [PATCH v10 08/26] gunyah: rsc_mgr: Add resource manager RPC core Content-Language: en-US To: Alex Elder , Srinivas Kandagatla , Alex Elder , "Prakruthi Deepak Heragu" CC: Murali Nalajala , Trilok Soni , Srivatsa Vaddagiri , Carl van Schaik , Dmitry Baryshkov , Bjorn Andersson , "Konrad Dybcio" , Arnd Bergmann , "Greg Kroah-Hartman" , Rob Herring , Krzysztof Kozlowski , Jonathan Corbet , Bagas Sanjaya , Catalin Marinas , Jassi Brar , , , , , References: <20230214211229.3239350-1-quic_eberman@quicinc.com> <20230214212327.3310128-1-quic_eberman@quicinc.com> <94ebe2f0-0baf-21c0-45d5-c5bc4df9ad94@quicinc.com> <44a59ea4-da6e-e96a-5e89-dfd41db72823@linaro.org> From: Elliot Berman In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: aOh0ZTiIg987GvqhUF6OJfychBQpIVdX X-Proofpoint-ORIG-GUID: aOh0ZTiIg987GvqhUF6OJfychBQpIVdX X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-02-28_17,2023-02-28_03,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 adultscore=0 spamscore=0 malwarescore=0 priorityscore=1501 impostorscore=0 bulkscore=0 clxscore=1015 lowpriorityscore=0 suspectscore=0 mlxlogscore=895 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2302280184 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On 2/27/2023 4:52 PM, Alex Elder wrote: > On 2/23/23 5:13 PM, Elliot Berman wrote: >>> TBH, gunyah.c should be merged as part of resource manager, and check >>> if uuids and features in probe before proceeding further. >>> >> >> >> Ah -- gunyah_rsc_mgr.ko has symbol dependency on gunyah-msgq.ko. >> gunyah-msgq.ko has symbol dependency on gunyah.ko. gunyah.ko doesn't >> have any probe and does all its work on module_init. >> >> In order to merge gunyah.c with resource manager, I would need to >> incorporate message queue mailbox into resource manager. IMO, this >> rapidly moves towards a mega-module which was discouraged previously. > > I missed this discussion; why was it discouraged? > > I can think of some reasons why I guess.  But I don't see what > problem comes from linking together a "mega module" that's made > up of well-isolated source files that expose minimal APIs to > one another.  All inter-dependent modules will required at once > anyway; I don't understand the benefit of implementing them > separately.  Can you explain, or provide some context?  Thanks. I came from some earlier comments from Dmitry: https://lore.kernel.org/all/250945d2-3940-9830-63e5-beec5f44010b@linaro.org/ Earlier comments from Dmitry were about having bus and drivers in same module. I think same comment applies with mailbox built into the gunyah.ko (message queue is the provider and rsr_mgr is the consumer). 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