From patchwork Fri Jan 26 23:54:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oreoluwa Babatunde X-Patchwork-Id: 13533712 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 smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 5FD75C48285 for ; Fri, 26 Jan 2024 23:55:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) id 45301C43330; Fri, 26 Jan 2024 23:55:42 +0000 (UTC) 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.kernel.org (Postfix) with ESMTPS id 2C629C433C7; Fri, 26 Jan 2024 23:55:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.kernel.org 2C629C433C7 Authentication-Results: smtp.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.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 40QN0apG024428; Fri, 26 Jan 2024 23:55:28 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=Jx5Ie+iX+zXFm/ozaDr+ RC/Fds5b7kbGceiUXNurK/w=; b=EU3S0DqqbCzdko0yxhM17OuvDNhJjjbAibGR dGTZf3seauf4BuQi859+zBathzf7d5gV2AatItu4iG0y43j+zUyGDEKFwsUfX/Ym YFWSxM6VWzcxv4eLctUcXl79b1p+4HcZptVGwgH7tnJVfm0Jby+s6GHu5wUIYVe5 MPT26aP1v1vwmWVv8XuM154iypbNnZcVOpMAMb+x+UGaZG4xji6WfG/ODwIQwj9k rh1EpXkk20Hg2A8eCjQ8pgFiWjoqVi6tyNccLj7JG+HBqjcPXP9Eay1akU6Ptj/2 ArHCeB8QukOTqT/BdDDQ1KL0u0GB4+/4fGgM/ZKRrUBej2tj0Q== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3vvjx88dn3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 26 Jan 2024 23:55:28 +0000 (GMT) Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 40QNtRhM031159 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 26 Jan 2024 23:55:28 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 15:55:11 -0800 From: Oreoluwa Babatunde List-Id: To: , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , Oreoluwa Babatunde Subject: [PATCH 29/46] xtensa: resrved_mem: Move fdt_init_reserved_mem() below unflatten_device_tree() Date: Fri, 26 Jan 2024 15:54:08 -0800 Message-ID: <20240126235425.12233-30-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> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] 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: 9v-ytk88Is-UUgQjGm6F456kfs80pTZy X-Proofpoint-GUID: 9v-ytk88Is-UUgQjGm6F456kfs80pTZy 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=820 lowpriorityscore=0 impostorscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2401190000 definitions=main-2401260176 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/xtensa/kernel/setup.c | 2 ++ arch/xtensa/mm/init.c | 2 -- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c index bdec4a773af0..cb2fb993de76 100644 --- a/arch/xtensa/kernel/setup.c +++ b/arch/xtensa/kernel/setup.c @@ -25,6 +25,7 @@ #include #include #include +#include #if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_DUMMY_CONSOLE) # include @@ -357,6 +358,7 @@ void __init setup_arch(char **cmdline_p) kasan_init(); unflatten_and_copy_device_tree(); + fdt_init_reserved_mem(); #ifdef CONFIG_SMP smp_init_cpus(); #endif diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c index ed3dd5f67b4a..e205a89a2097 100644 --- a/arch/xtensa/mm/init.c +++ b/arch/xtensa/mm/init.c @@ -26,7 +26,6 @@ #include #include #include -#include #include #include @@ -49,7 +48,6 @@ void __init bootmem_init(void) memblock_reserve(0, PHYS_OFFSET ? PHYS_OFFSET : 1); early_fdt_scan_reserved_mem(); - fdt_init_reserved_mem(); if (!memblock_phys_mem_size()) panic("No memory found!\n");