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=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY,USER_AGENT_GIT autolearn=ham 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 EF1EFCA9ED3 for ; Tue, 5 Nov 2019 02:20:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C06A6214E0 for ; Tue, 5 Nov 2019 02:20:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=sifive.com header.i=@sifive.com header.b="TPTDOXVl" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730185AbfKECUR (ORCPT ); Mon, 4 Nov 2019 21:20:17 -0500 Received: from mail-pf1-f193.google.com ([209.85.210.193]:42862 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729760AbfKECUR (ORCPT ); Mon, 4 Nov 2019 21:20:17 -0500 Received: by mail-pf1-f193.google.com with SMTP id s5so5729692pfh.9 for ; Mon, 04 Nov 2019 18:20:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=from:to:cc:subject:date:message-id; bh=7b2y3zgo8qKKjwrv6gUDcqxB+dAh/ssjQVAiaSKyz7Q=; b=TPTDOXVlU4Ws9mRO9LEwkd5W6sg+gRV8f6gRKqE655V1UndxFs8t5BPpP8StgUXNoG 46ihj7sC20mR7XvKUo4Xj6mhrUgxm9j6i7M+Z/mpBg3AL/IkW8pQ4nOwYyGeZqcYMu0j 0rCbCzaBYgooSEH2EB+VJgT9jKBxxDJww9tcWwJImuCYZb8//6quyO8BRJYok01ITSjp GILCJ1yAAieQ1baq+COTX+5ihc2umosJWZgPNJT8WTf1/ll/996vgXHupAvHbUDNKiFs qtQklXVxCbMul9siP++iinLe2XUl0RyjXoYNE9zeR/tuJmBFbmu9ZYbYErP7hkQ1rtrA FUlg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=7b2y3zgo8qKKjwrv6gUDcqxB+dAh/ssjQVAiaSKyz7Q=; b=hvBy5VI6B9+fKAtFv8piFdCMHsDR6iBzNoHfRIutLkLi6qN9CRr2QEOqaWNgRZlJoV 1feR2TiRJgTk1QC6Ah2xitGry/YPK2mgQ/lPIT/6HY6xwjnIdVdCvXT4F57XV9clD1fY nW4rklqiDinkgOsFRBVhi6vQG7clXp7MfQvlXmwT/0GCpjie9kqFgdGpfsZXfQuf643j o7AbJpWSdQNhosiwINergo5EylsrTKfhB5BPiWwoxNl2Nh9VEPeomNmnRXTB37G4A7zv QyCUg02TvaUonagXfDI6EHm20EthG2yipdfWhVDijZwTIY2ppjumkUuIYW29btjgEzS9 zPJA== X-Gm-Message-State: APjAAAUFYMFkWK+awXbS4JjbN6UFShNRZg4xXgAm+WgeiuddncIwuHcI Ijl7zW2vpARvGnIQQdKCIiScuNbZwFI= X-Google-Smtp-Source: APXvYqxhgOLlKkh3nf5acik48nMMfKxZywcjeW4trXTCKPfHOjiCvY+zpJGEw9VefSRc7EiasIIn7Q== X-Received: by 2002:a17:90a:c082:: with SMTP id o2mr3132965pjs.94.1572920416635; Mon, 04 Nov 2019 18:20:16 -0800 (PST) Received: from gamma07.internal.sifive.com ([64.62.193.194]) by smtp.gmail.com with ESMTPSA id i32sm10313443pgl.73.2019.11.04.18.20.15 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 04 Nov 2019 18:20:16 -0800 (PST) From: Zong Li To: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, paul.walmsley@sifive.com, palmer@sifive.com, Anup.Patel@wdc.com Cc: Zong Li Subject: [PATCH v2] riscv: Use PMD_SIZE to repalce PTE_PARENT_SIZE Date: Mon, 4 Nov 2019 18:20:12 -0800 Message-Id: <1572920412-15661-1-git-send-email-zong.li@sifive.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The PMD_SIZE is equal to PGDIR_SIZE when __PAGETABLE_PMD_FOLDED is defined. Signed-off-by: Zong Li --- arch/riscv/mm/init.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 573463d..642b330 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -273,7 +273,6 @@ static void __init create_pmd_mapping(pmd_t *pmdp, #define get_pgd_next_virt(__pa) get_pmd_virt(__pa) #define create_pgd_next_mapping(__nextp, __va, __pa, __sz, __prot) \ create_pmd_mapping(__nextp, __va, __pa, __sz, __prot) -#define PTE_PARENT_SIZE PMD_SIZE #define fixmap_pgd_next fixmap_pmd #else #define pgd_next_t pte_t @@ -281,7 +280,6 @@ static void __init create_pmd_mapping(pmd_t *pmdp, #define get_pgd_next_virt(__pa) get_pte_virt(__pa) #define create_pgd_next_mapping(__nextp, __va, __pa, __sz, __prot) \ create_pte_mapping(__nextp, __va, __pa, __sz, __prot) -#define PTE_PARENT_SIZE PGDIR_SIZE #define fixmap_pgd_next fixmap_pte #endif @@ -316,10 +314,10 @@ static uintptr_t __init best_map_size(phys_addr_t base, phys_addr_t size) { uintptr_t map_size = PAGE_SIZE; - /* Upgrade to PMD/PGDIR mappings whenever possible */ - if (!(base & (PTE_PARENT_SIZE - 1)) && - !(size & (PTE_PARENT_SIZE - 1))) - map_size = PTE_PARENT_SIZE; + /* Upgrade to PMD_SIZE mappings whenever possible */ + if (!(base & (PMD_SIZE - 1)) && + !(size & (PMD_SIZE - 1))) + map_size = PMD_SIZE; return map_size; } -- 2.7.4 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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 99AF5CA9ED3 for ; Tue, 5 Nov 2019 02:20:21 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 6D735217F5 for ; 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Mon, 04 Nov 2019 18:20:16 -0800 (PST) Received: from gamma07.internal.sifive.com ([64.62.193.194]) by smtp.gmail.com with ESMTPSA id i32sm10313443pgl.73.2019.11.04.18.20.15 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 04 Nov 2019 18:20:16 -0800 (PST) From: Zong Li To: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, paul.walmsley@sifive.com, palmer@sifive.com, Anup.Patel@wdc.com Subject: [PATCH v2] riscv: Use PMD_SIZE to repalce PTE_PARENT_SIZE Date: Mon, 4 Nov 2019 18:20:12 -0800 Message-Id: <1572920412-15661-1-git-send-email-zong.li@sifive.com> X-Mailer: git-send-email 2.7.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191104_182017_904782_5D1F5553 X-CRM114-Status: UNSURE ( 9.66 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Zong Li MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org The PMD_SIZE is equal to PGDIR_SIZE when __PAGETABLE_PMD_FOLDED is defined. Signed-off-by: Zong Li --- arch/riscv/mm/init.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 573463d..642b330 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -273,7 +273,6 @@ static void __init create_pmd_mapping(pmd_t *pmdp, #define get_pgd_next_virt(__pa) get_pmd_virt(__pa) #define create_pgd_next_mapping(__nextp, __va, __pa, __sz, __prot) \ create_pmd_mapping(__nextp, __va, __pa, __sz, __prot) -#define PTE_PARENT_SIZE PMD_SIZE #define fixmap_pgd_next fixmap_pmd #else #define pgd_next_t pte_t @@ -281,7 +280,6 @@ static void __init create_pmd_mapping(pmd_t *pmdp, #define get_pgd_next_virt(__pa) get_pte_virt(__pa) #define create_pgd_next_mapping(__nextp, __va, __pa, __sz, __prot) \ create_pte_mapping(__nextp, __va, __pa, __sz, __prot) -#define PTE_PARENT_SIZE PGDIR_SIZE #define fixmap_pgd_next fixmap_pte #endif @@ -316,10 +314,10 @@ static uintptr_t __init best_map_size(phys_addr_t base, phys_addr_t size) { uintptr_t map_size = PAGE_SIZE; - /* Upgrade to PMD/PGDIR mappings whenever possible */ - if (!(base & (PTE_PARENT_SIZE - 1)) && - !(size & (PTE_PARENT_SIZE - 1))) - map_size = PTE_PARENT_SIZE; + /* Upgrade to PMD_SIZE mappings whenever possible */ + if (!(base & (PMD_SIZE - 1)) && + !(size & (PMD_SIZE - 1))) + map_size = PMD_SIZE; return map_size; } -- 2.7.4 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv