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 lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 357A5CDE008 for ; Fri, 26 Jun 2026 11:23:05 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wd4e8-0007qC-PG; Fri, 26 Jun 2026 07:22:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wd4e5-0007nT-T9; Fri, 26 Jun 2026 07:22:53 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wd4e4-0008GB-5S; Fri, 26 Jun 2026 07:22:53 -0400 Received: from pps.filterd (m0360083.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 65QAIQHG2761136; Fri, 26 Jun 2026 11:22:48 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=pp1; bh=NFu2Egy5Ekq+ziIOf tuPJKGbaXLtFWCIrfdJ/xHPMSI=; b=M2LupXjVfXvyR7AMuxSiWBdvDkzFsgO9O GYpO5wvB2Lntr5a0wnpk5kqCnWvv793ft8PABnPNLKdlaNMm0VrwD0km4xqy4mtt p60XlGYLXUGPZteTFFRHbZxoUmN4fD7j+P5+LTUD5bS44zx23WgE1tuCgjXDdWnZ 9YRLBYMlIn3yYhMX/r8IUb3pQX9UGgdt6Zneq9l/H4oV3zZiCdMCpSDtxL5Q3NNN cAxBKNBAq4QUGduzEzdpsy/7Lp69PecODoHbBJN42kLwiwjcx5Kn2H6aaNro/NWU gt2ZIR3djg9vY+Whd3RdBQ9Gmi7xWsUBDzOhRtcT8PaEuHD5vaOug== Received: from ppma12.dal12v.mail.ibm.com (dc.9e.1632.ip4.static.sl-reverse.com [50.22.158.220]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4ewjc3xt3n-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 26 Jun 2026 11:22:48 +0000 (GMT) Received: from pps.filterd (ppma12.dal12v.mail.ibm.com [127.0.0.1]) by ppma12.dal12v.mail.ibm.com (8.18.1.7/8.18.1.7) with ESMTP id 65QBJhem029462; Fri, 26 Jun 2026 11:22:47 GMT Received: from smtprelay04.fra02v.mail.ibm.com ([9.218.2.228]) by ppma12.dal12v.mail.ibm.com (PPS) with ESMTPS id 4ex56qu1wt-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 26 Jun 2026 11:22:47 +0000 (GMT) Received: from smtpav06.fra02v.mail.ibm.com (smtpav06.fra02v.mail.ibm.com [10.20.54.105]) by smtprelay04.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 65QBMh3v29885100 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 26 Jun 2026 11:22:43 GMT Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4694A2004D; Fri, 26 Jun 2026 11:22:43 +0000 (GMT) Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8A76A2004B; Fri, 26 Jun 2026 11:22:41 +0000 (GMT) Received: from shivang.bl1-in.ibm.com (unknown [9.123.12.247]) by smtpav06.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 26 Jun 2026 11:22:41 +0000 (GMT) From: Shivang Upadhyay To: shivangu@linux.ibm.com Cc: adityag@linux.ibm.com, harshpb@linux.ibm.com, milesg@linux.ibm.com, npiggin@gmail.com, qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH v2 0/2] ppc/pnv: fixing external dtb Date: Fri, 26 Jun 2026 16:52:37 +0530 Message-ID: <20260626112239.177191-1-shivangu@linux.ibm.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260623063156.1110370-1-shivangu@linux.ibm.com> References: <20260623063156.1110370-1-shivangu@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Authority-Analysis: v=2.4 cv=X4Ni7mTe c=1 sm=1 tr=0 ts=6a3e6108 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=iQ6ETzBq9ecOQQE5vZCe:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=HK4ePdA0MMetCi7OCQ0A:9 X-Proofpoint-Spam-Info: AW1haW4tMjYwNjI2MDA5MiBTYWx0ZWRfXwk4NeSMxEnaY s+x+qugxqQdhy+F5cPc2U35ollQEUdjlWx17j4fOcZN7/MAgstiH2btcIMOvNH2kJFWeYCKEVp6 51qGs11KpVNd2M5sDAiANAiHgbFxkYk= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjI2MDA5MiBTYWx0ZWRfXzRrASoB24caR dE+U2XoaQFQRtuu9bsvD1VUATCyaWmA0AGRNpxvBs9jzmGFfmaLtsVBl2/EzXVhfi+2ga8GV/ks MJtYMzZDl9UHq4WtymW8Y4NjXW8SVjfnZK2b6a8Fs/sb2Y4zGdl7DdB0HqKeIgFWa92zwhNF7Z5 eNT4alUVwwqv8zum1gUhER5ILUR5gfL0XOsBg4LpgowLhqzLK1gBPpXgpzNyNrNt4TMCmcls1Q8 FxcREMpJ0yNPd0OVlKu6k66fpFI4FnZdBwR1f8woEqoUeaDZRhzd21c+77AYMfUPH3W2HTec9nH eRESnm/YQXrqE6GgiIImWjxNUzdHwpx5TEAcntH11Uz0mVZ727+Bq1UE97iW2dCP3DSzKQg+QAp YsqILqAryY0cbpRLGxW519IDASL8at7BgaSMR/0bTntKFo0eM2neFwPn/m69hOPONlFDzf+YSlx XN3R4pxFRfXp/pB/KHA== X-Proofpoint-ORIG-GUID: V8w_9qKb4YFNJ50MfIcrCaUPRU6MTx5M X-Proofpoint-GUID: E1fdBxM1vY_DtKNRkGPIfHLyRmrdKh63 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-26_03,2026-06-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 bulkscore=0 suspectscore=0 spamscore=0 priorityscore=1501 impostorscore=0 malwarescore=0 clxscore=1015 adultscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606260092 Received-SPF: pass client-ip=148.163.156.1; envelope-from=shivangu@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Currently powerpc pnv machines doesnt respect `-dtb` argument passed from outside. During cpu start content of machine->fdt is overwritten by `pnv_dt_create`. This was previously found and fixed, during the discussion for dumpdtb issue [1]. But reintroduced in MPIPL support [2]. Saddly it skipped in the review phase [3]. Adding a functional test for checking the external dtb case in powernv11. [1] https://lore.kernel.org/all/20260323231612.GA2637687@ax162/ [2] https://lore.kernel.org/qemu-devel/20260310124619.3909045-8-adityag@linux.ibm.com/ [3] https://lore.kernel.org/qemu-devel/abAmBV7g_bGNw0Ax@shivang.upadyay/ Changelog * V1: https://lore.kernel.org/all/20260623063156.1110370-1-shivangu@linux.ibm.com/ - change dtb from power10 to power11 - refactored pnv_reset code to not `load_device_tree` on each iteration. - added commit message body. Shivang Upadhyay (2): ppc/pnv: avoid regenerating DTB if external DTB is present ppc/pnv: add test to verify external DTB is honored hw/ppc/pnv.c | 10 +++++++--- tests/functional/ppc64/test_powernv.py | 19 +++++++++++++++++++ 2 files changed, 26 insertions(+), 3 deletions(-) -- 2.54.0