From patchwork Fri Jan 26 23:54:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oreoluwa Babatunde X-Patchwork-Id: 192890 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7301:2395:b0:106:343:edcb with SMTP id gw21csp225079dyb; Fri, 26 Jan 2024 16:07:26 -0800 (PST) X-Google-Smtp-Source: AGHT+IHQPqCPMgJ3cUq8DXJQGOWsu5uqy2I7weebInYA7z+lfndXikl7g/60FFcpaUF0aRFlkurc X-Received: by 2002:a9d:6756:0:b0:6e1:85e:8d01 with SMTP id w22-20020a9d6756000000b006e1085e8d01mr596246otm.59.1706314046153; Fri, 26 Jan 2024 16:07:26 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1706314046; cv=pass; d=google.com; s=arc-20160816; b=tZ3weBVuRklnU4gJwt5aNDboqEPlL0/g+XUpfKjpaDKFY+qjWDCWzX8ItgajF+cNrM R9Ul57an+F/OIPGs5ns6bxMhRtULu1UvPvalsE34FqLE/lBFC/ERQEwRKziUTbu8dzip s+xKb3WCV3AIN92r3Afn48R3MH8Bvqk6el80zkHzUG4i/njQwg4VNG9u6HjcvbKK0qmR NP3HrXmiHWBuPCas9B+huBNveIowIkZfiPboSuE0iIhP8cdj3JvrtSmo9JMxHNAcounz /EUCD5iDo+1saPjOKDf455d1W7Uv6/B87iwCKA+cImrQxG6h3opKq6AjFh+h7LFgTPIf QVVw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:list-unsubscribe:list-subscribe:list-id:precedence :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=WrXR8pIcGToq5+tEyXOqU2zww97hFs/foHrPQe8HFUk=; fh=hY6kMi6FvW8wLTV87L8suYr4n1TqNWWZDZNH+E6XASg=; b=Oq3PmFHJZTYaPfzqNxnBKY6xWY3ONzSvqjlMuXdy6AtpWcauE9MPlBpPWnKwf+DsfQ BT/y5c+PKFujwLUVo3/0QRZjaezkdfIQUQWKLEeie3PEmLuJIlWH3qtlW41DLuvQZHBR eNWlHYKcNpOfieoPSFqprXnxm212WK+QQ3JI9wsjMYeI0yyd80u05tyXJkZHLUPryxJ/ oko9GUNiR606Gx5OEVFOXLFjPL0oppV+IkimWz9VDusdoARjEJ60mIba3oI47+hyDNJk ODSOlNfmSZx3lm1eXiRlMazIivwscSiiejCCHZ4juJIaHgEgqQsdHLa3j0f5Sd0w8xBc APcg== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@quicinc.com header.s=qcppdkim1 header.b=AbBF+W0p; arc=pass (i=1 spf=pass spfdomain=quicinc.com dkim=pass dkdomain=quicinc.com dmarc=pass fromdomain=quicinc.com); spf=pass (google.com: domain of linux-kernel+bounces-40890-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-40890-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=quicinc.com Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. [2604:1380:45e3:2400::1]) by mx.google.com with ESMTPS id l21-20020a656815000000b005cda184c288si1840704pgt.212.2024.01.26.16.07.26 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Jan 2024 16:07:26 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-40890-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1; Authentication-Results: mx.google.com; dkim=pass header.i=@quicinc.com header.s=qcppdkim1 header.b=AbBF+W0p; arc=pass (i=1 spf=pass spfdomain=quicinc.com dkim=pass dkdomain=quicinc.com dmarc=pass fromdomain=quicinc.com); spf=pass (google.com: domain of linux-kernel+bounces-40890-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-40890-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=quicinc.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 9FCDB28D9DC for ; Sat, 27 Jan 2024 00:04:47 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 5A9AC6A00B; Fri, 26 Jan 2024 23:56:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="AbBF+W0p" Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C79E260882; Fri, 26 Jan 2024 23:56:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706313365; cv=none; b=nEJnZIjpsyxfWWrkYZqe3BX/dd3dexeSLLhWFUDUFho6/W/zYDeV1qK5HIKpoTHZPKnRjFp5/QixLq++ZjzjGnhinEaa/NLnKVTwWD2F+STMb1FP/7LAyd/GEOGDGR9rrZn1xN2yCYfcX3hgpU35TUVFxAAZPlBvK3hovbkh7fE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706313365; c=relaxed/simple; bh=Nx5mZZCMthF9FLC2WPNQgytt8JoakZVJNTD7u6CK6m4=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=MSkjaiM/NdtARiVCKuFCjah6IThRQ2Lj3QyjkNAbAuP+KeospFDenmbzuXYJuqNHJ7SmimkjIDMGUQCtwTk2NwsMarDr12Me6Hw3qH8P5LkQH+ZJmt90gZ3OLKKqcifvEWZp/8jNMfE4AcW92A+p5UHbSYnd5BwztXrEfA5rVrk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=AbBF+W0p; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Received: from pps.filterd (m0279865.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 40QNoS3C030684; Fri, 26 Jan 2024 23:55:26 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-type; s=qcppdkim1; bh=WrXR8pIcGToq5+tEyXOq U2zww97hFs/foHrPQe8HFUk=; b=AbBF+W0peuMqGIaDVSsbuxbzShEO3H+9cQy0 nI1A/Py62BuvFmupFEHn23n8erBMKkro2AR8yWJrjlPGxBus3WJIWhrIcz0bVVqM GFpt6uFxRNLq9kOAlxgQnikLKhNm6DvZwOsaBd2ths7O+Kz6qxxMlc+0h888iId/ uiju77O8hY1y2aw6vf20Hziig7YQKkhUMw643riToJMMbhdl2U7Zj8URI88uv2wu 61zSBxdbQSfKrttDpLJQYuB52/cldFaOCWfWHP+ll1LeCIxfAYrZSL4nMBBkZMKF 0vg4aXpWyG1izFZ7iSGqzbf7mabVVwQrXtP7ics885+hYFm7MA== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3vvjx88dn1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 26 Jan 2024 23:55:26 +0000 (GMT) Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 40QNtPhg009489 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 26 Jan 2024 23:55:25 GMT Received: from hu-obabatun-lv.qualcomm.com (10.49.16.6) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Fri, 26 Jan 2024 15:55:10 -0800 From: Oreoluwa Babatunde To: , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , Oreoluwa Babatunde Subject: [PATCH 27/46] riscv: resrved_mem: Move fdt_init_reserved_mem() below unflatten_device_tree() Date: Fri, 26 Jan 2024 15:54:06 -0800 Message-ID: <20240126235425.12233-28-quic_obabatun@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240126235425.12233-1-quic_obabatun@quicinc.com> References: <20240126235425.12233-1-quic_obabatun@quicinc.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nalasex01b.na.qualcomm.com (10.47.209.197) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: dv6m4OaXsC8stWk9QvcBlbUU_DqnJl-W X-Proofpoint-GUID: dv6m4OaXsC8stWk9QvcBlbUU_DqnJl-W X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-25_14,2024-01-25_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 spamscore=0 priorityscore=1501 adultscore=0 phishscore=0 clxscore=1015 malwarescore=0 suspectscore=0 mlxlogscore=847 lowpriorityscore=0 impostorscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2401190000 definitions=main-2401260176 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1789199957067705065 X-GMAIL-MSGID: 1789199957067705065 The unflattened devicetree structure is available to be used not long after the page tables have been set up on most architectures, and is available even before that on other architectures. Hence, move the call to fdt_init_reserved_mem() to after unflatten_device_tree() is called so that the reserved memory nodes can be accessed using the unflattened device tree APIs. Using the unflattened devicetree APIs is more efficient than using the flattened devicetree APIs. Signed-off-by: Oreoluwa Babatunde --- arch/riscv/kernel/setup.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index ea4fbc8e0ea1..0601ed1e4ce6 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -262,8 +262,6 @@ void __init setup_arch(char **cmdline_p) efi_init(); paging_init(); - fdt_init_reserved_mem(); - /* Parse the ACPI tables for possible boot-time configuration */ acpi_boot_table_init(); @@ -272,6 +270,8 @@ void __init setup_arch(char **cmdline_p) #else unflatten_device_tree(); #endif + + fdt_init_reserved_mem(); misc_mem_init(); init_resources();