From patchwork Thu Feb 10 05:49:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anup Patel X-Patchwork-Id: 12741351 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 25360C4332F for ; Thu, 10 Feb 2022 05:51:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234908AbiBJFu7 (ORCPT ); Thu, 10 Feb 2022 00:50:59 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:44246 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234680AbiBJFud (ORCPT ); Thu, 10 Feb 2022 00:50:33 -0500 Received: from mail-pf1-x431.google.com (mail-pf1-x431.google.com [IPv6:2607:f8b0:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ACEF210ED for ; Wed, 9 Feb 2022 21:50:34 -0800 (PST) Received: by mail-pf1-x431.google.com with SMTP id i30so8325850pfk.8 for ; Wed, 09 Feb 2022 21:50:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=W6DnRCcGid35hmRCVAHPT4/JHmCQ1pX6LaO+zPetyxw=; b=mSBtH4Ca3FDB67dCd9NJOO5/JXrDvLAO3zTmf+dcTUfKJYtyIBbQVcQmfc+TqTl7O7 xZUysJohgWhF1eU0KpHG1mIuaQozOmy7kcfTjI6Vk6c7pnGAPt7Qexkgl4m1au+q80Ds 6IPqOLJ/JAMR8MRuKn3Md7bRY9JFCSTY+fKt7YBZrnVdf0bOPO9Nxzl4Kh5KDIJP11I+ +DfQDh5FJxLD7W4+LDs3w14PivdoAcBpuuc8NApLyqbWA9JvpDHf/uXzsaDi+G8RFPfc gJd337B7Zpc7vKgbDUSm9CddVhEyD86YvhhkzDHPdAgBfy1/smNKGgImbnM8dAwsuKcc YCzA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=W6DnRCcGid35hmRCVAHPT4/JHmCQ1pX6LaO+zPetyxw=; b=MJN/or8mzEWkawuENWaweCcEk7GxuHHMH9WTJEO6EyNeRNyfFee7WWTchN3RxaCFYc lfwWPSn8uvMEV30PNsQ1/Vov8PcOTRW6dqTPDbApVWDoZshu9LapZiQC7SXqLTtRFMdE oWtC5oRY8yzLkzuH/1pEV9lQdbIwPi3CoZ5UruKPcO9T0ihnS6mobcoCs5B1J2cCtfGp EL2vrLroK7x0wSHCJAWQHsosBPC9bL9hq8U4UrGm0FZ/CjGFpuNcshjxQZ2XXyGJdR2I 0ogqyEYlpYLvklUMfR/zCEASdwDJhrrk6MuDAgkjlN2RKCKR5JbG2NPaw38NAUOagP8W 0otA== X-Gm-Message-State: AOAM531jvBU34a6yZsJMH7ulNBFe5d4FDZqRirN3xZBGC3qBlzy1zkxf kZCtFqcqgv+IZUax0QnD9atX/A== X-Google-Smtp-Source: ABdhPJzzvcYAQEszqDrWPIi2o/8I39cAGJzw5p5FlegiJjt/V5sGZEn9o5ZpjEdFVmLscqWyK8zTMg== X-Received: by 2002:a63:4b17:: with SMTP id y23mr4834549pga.489.1644472234077; Wed, 09 Feb 2022 21:50:34 -0800 (PST) Received: from localhost.localdomain ([122.179.114.46]) by smtp.gmail.com with ESMTPSA id s32sm15192270pfw.80.2022.02.09.21.50.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Feb 2022 21:50:33 -0800 (PST) From: Anup Patel To: Palmer Dabbelt , Paul Walmsley , Albert Ou , Daniel Lezcano , Ulf Hansson , "Rafael J . Wysocki" , Pavel Machek , Rob Herring Cc: Sandeep Tripathy , Atish Patra , Alistair Francis , Liush , Anup Patel , devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvm-riscv@lists.infradead.org, Anup Patel , Guo Ren Subject: [PATCH v11 2/8] RISC-V: Rename relocate() and make it global Date: Thu, 10 Feb 2022 11:19:41 +0530 Message-Id: <20220210054947.170134-3-apatel@ventanamicro.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220210054947.170134-1-apatel@ventanamicro.com> References: <20220210054947.170134-1-apatel@ventanamicro.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org From: Anup Patel The low-level relocate() function enables mmu and relocates execution to link-time addresses. We rename relocate() function to relocate_enable_mmu() function which is more informative. Also, the relocate_enable_mmu() function will be used in the resume path when a CPU wakes-up from a non-retentive suspend so we make it global symbol. Signed-off-by: Anup Patel Signed-off-by: Anup Patel Reviewed-by: Guo Ren Reviewed-by: Atish Patra --- arch/riscv/kernel/head.S | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/arch/riscv/kernel/head.S b/arch/riscv/kernel/head.S index 2363b43312fc..5f4c6b6c4974 100644 --- a/arch/riscv/kernel/head.S +++ b/arch/riscv/kernel/head.S @@ -90,7 +90,8 @@ pe_head_start: .align 2 #ifdef CONFIG_MMU -relocate: + .global relocate_enable_mmu +relocate_enable_mmu: /* Relocate return address */ la a1, kernel_map XIP_FIXUP_OFFSET a1 @@ -185,7 +186,7 @@ secondary_start_sbi: /* Enable virtual memory and relocate to virtual address */ la a0, swapper_pg_dir XIP_FIXUP_OFFSET a0 - call relocate + call relocate_enable_mmu #endif call setup_trap_vector tail smp_callin @@ -329,7 +330,7 @@ clear_bss_done: #ifdef CONFIG_MMU la a0, early_pg_dir XIP_FIXUP_OFFSET a0 - call relocate + call relocate_enable_mmu #endif /* CONFIG_MMU */ call setup_trap_vector