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 X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D51F9C433E0 for ; Tue, 28 Jul 2020 02:17:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B888F20759 for ; Tue, 28 Jul 2020 02:17:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726877AbgG1CRo (ORCPT ); Mon, 27 Jul 2020 22:17:44 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:36136 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726247AbgG1CRo (ORCPT ); Mon, 27 Jul 2020 22:17:44 -0400 Received: from pps.filterd (m0098414.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 06S23aAj093814; Mon, 27 Jul 2020 22:17:33 -0400 Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com with ESMTP id 32hsqfeb7s-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 27 Jul 2020 22:17:33 -0400 Received: from m0098414.ppops.net (m0098414.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 06S28uGZ113120; Mon, 27 Jul 2020 22:17:33 -0400 Received: from ppma02dal.us.ibm.com (a.bd.3ea9.ip4.static.sl-reverse.com [169.62.189.10]) by mx0b-001b2d01.pphosted.com with ESMTP id 32hsqfeb7e-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 27 Jul 2020 22:17:33 -0400 Received: from pps.filterd (ppma02dal.us.ibm.com [127.0.0.1]) by ppma02dal.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 06S2AeBO004692; Tue, 28 Jul 2020 02:17:32 GMT Received: from b03cxnp08026.gho.boulder.ibm.com (b03cxnp08026.gho.boulder.ibm.com [9.17.130.18]) by ppma02dal.us.ibm.com with ESMTP id 32gcy439jn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 28 Jul 2020 02:17:32 +0000 Received: from b03ledav006.gho.boulder.ibm.com (b03ledav006.gho.boulder.ibm.com [9.17.130.237]) by b03cxnp08026.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 06S2HRpu57803244 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 28 Jul 2020 02:17:27 GMT Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D3C2AC605A; Tue, 28 Jul 2020 02:17:30 +0000 (GMT) Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 869BDC6055; Tue, 28 Jul 2020 02:17:27 +0000 (GMT) Received: from morokweng.localdomain (unknown [9.211.132.76]) by b03ledav006.gho.boulder.ibm.com (Postfix) with ESMTPS; Tue, 28 Jul 2020 02:17:27 +0000 (GMT) References: <159579157320.5790.6748078824637688685.stgit@hbathini> <159579233676.5790.10701756666641782647.stgit@hbathini> User-agent: mu4e 1.2.0; emacs 26.3 From: Thiago Jung Bauermann To: Hari Bathini Cc: Michael Ellerman , Andrew Morton , Mahesh J Salgaonkar , Sourabh Jain , Vivek Goyal , Dave Young , Petr Tesarik , linuxppc-dev , Kexec-ml , lkml , Pingfan Liu , Eric Biederman , Mimi Zohar , Nayna Jain Subject: Re: [RESEND PATCH v5 07/11] ppc64/kexec_file: enable early kernel's OPAL calls In-reply-to: <159579233676.5790.10701756666641782647.stgit@hbathini> Date: Mon, 27 Jul 2020 23:17:23 -0300 Message-ID: <87eeowxu18.fsf@morokweng.localdomain> MIME-Version: 1.0 Content-Type: text/plain X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-07-27_16:2020-07-27,2020-07-27 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 malwarescore=0 priorityscore=1501 phishscore=0 spamscore=0 mlxscore=0 lowpriorityscore=0 bulkscore=0 mlxlogscore=934 adultscore=0 clxscore=1015 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2007280012 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hari Bathini writes: > Kernel built with CONFIG_PPC_EARLY_DEBUG_OPAL enabled expects r8 & r9 > to be filled with OPAL base & entry addresses respectively. Setting > these registers allows the kernel to perform OPAL calls before the > device tree is parsed. > > Signed-off-by: Hari Bathini Reviewed-by: Thiago Jung Bauermann -- Thiago Jung Bauermann IBM Linux Technology Center 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 X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 23AD0C433E4 for ; Tue, 28 Jul 2020 02:20:21 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CFCDE20672 for ; Tue, 28 Jul 2020 02:20:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CFCDE20672 Authentication-Results: mail.kernel.org; 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Mon, 27 Jul 2020 22:17:33 -0400 Received: from ppma02dal.us.ibm.com (a.bd.3ea9.ip4.static.sl-reverse.com [169.62.189.10]) by mx0b-001b2d01.pphosted.com with ESMTP id 32hsqfeb7e-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 27 Jul 2020 22:17:33 -0400 Received: from pps.filterd (ppma02dal.us.ibm.com [127.0.0.1]) by ppma02dal.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 06S2AeBO004692; Tue, 28 Jul 2020 02:17:32 GMT Received: from b03cxnp08026.gho.boulder.ibm.com (b03cxnp08026.gho.boulder.ibm.com [9.17.130.18]) by ppma02dal.us.ibm.com with ESMTP id 32gcy439jn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 28 Jul 2020 02:17:32 +0000 Received: from b03ledav006.gho.boulder.ibm.com (b03ledav006.gho.boulder.ibm.com [9.17.130.237]) by b03cxnp08026.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 06S2HRpu57803244 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 28 Jul 2020 02:17:27 GMT Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D3C2AC605A; Tue, 28 Jul 2020 02:17:30 +0000 (GMT) Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 869BDC6055; Tue, 28 Jul 2020 02:17:27 +0000 (GMT) Received: from morokweng.localdomain (unknown [9.211.132.76]) by b03ledav006.gho.boulder.ibm.com (Postfix) with ESMTPS; Tue, 28 Jul 2020 02:17:27 +0000 (GMT) References: <159579157320.5790.6748078824637688685.stgit@hbathini> <159579233676.5790.10701756666641782647.stgit@hbathini> User-agent: mu4e 1.2.0; emacs 26.3 From: Thiago Jung Bauermann To: Hari Bathini Subject: Re: [RESEND PATCH v5 07/11] ppc64/kexec_file: enable early kernel's OPAL calls In-reply-to: <159579233676.5790.10701756666641782647.stgit@hbathini> Date: Mon, 27 Jul 2020 23:17:23 -0300 Message-ID: <87eeowxu18.fsf@morokweng.localdomain> MIME-Version: 1.0 Content-Type: text/plain X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-07-27_16:2020-07-27, 2020-07-27 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 malwarescore=0 priorityscore=1501 phishscore=0 spamscore=0 mlxscore=0 lowpriorityscore=0 bulkscore=0 mlxlogscore=934 adultscore=0 clxscore=1015 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2007280012 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Pingfan Liu , Mimi Zohar , Nayna Jain , Petr Tesarik , Mahesh J Salgaonkar , Sourabh Jain , lkml , linuxppc-dev , Eric Biederman , Andrew Morton , Dave Young , Kexec-ml , Vivek Goyal Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Hari Bathini writes: > Kernel built with CONFIG_PPC_EARLY_DEBUG_OPAL enabled expects r8 & r9 > to be filled with OPAL base & entry addresses respectively. Setting > these registers allows the kernel to perform OPAL calls before the > device tree is parsed. > > Signed-off-by: Hari Bathini Reviewed-by: Thiago Jung Bauermann -- Thiago Jung Bauermann IBM Linux Technology Center From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5] helo=mx0a-001b2d01.pphosted.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1k0FBR-000703-DE for kexec@lists.infradead.org; Tue, 28 Jul 2020 02:17:38 +0000 References: <159579157320.5790.6748078824637688685.stgit@hbathini> <159579233676.5790.10701756666641782647.stgit@hbathini> From: Thiago Jung Bauermann Subject: Re: [RESEND PATCH v5 07/11] ppc64/kexec_file: enable early kernel's OPAL calls In-reply-to: <159579233676.5790.10701756666641782647.stgit@hbathini> Date: Mon, 27 Jul 2020 23:17:23 -0300 Message-ID: <87eeowxu18.fsf@morokweng.localdomain> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: Hari Bathini Cc: Pingfan Liu , Michael Ellerman , Mimi Zohar , Nayna Jain , Petr Tesarik , Mahesh J Salgaonkar , Sourabh Jain , lkml , linuxppc-dev , Eric Biederman , Andrew Morton , Dave Young , Kexec-ml , Vivek Goyal Hari Bathini writes: > Kernel built with CONFIG_PPC_EARLY_DEBUG_OPAL enabled expects r8 & r9 > to be filled with OPAL base & entry addresses respectively. Setting > these registers allows the kernel to perform OPAL calls before the > device tree is parsed. > > Signed-off-by: Hari Bathini Reviewed-by: Thiago Jung Bauermann -- Thiago Jung Bauermann IBM Linux Technology Center _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec