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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 C98E2C4332E for ; Wed, 17 Mar 2021 06:25:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A962064FC9 for ; Wed, 17 Mar 2021 06:25:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230154AbhCQGZG (ORCPT ); Wed, 17 Mar 2021 02:25:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33786 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230026AbhCQGY5 (ORCPT ); Wed, 17 Mar 2021 02:24:57 -0400 Received: from mail-pl1-x633.google.com (mail-pl1-x633.google.com [IPv6:2607:f8b0:4864:20::633]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9C0ACC06175F; Tue, 16 Mar 2021 23:24:57 -0700 (PDT) Received: by mail-pl1-x633.google.com with SMTP id a8so260400plp.13; Tue, 16 Mar 2021 23:24:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=6i477Y4/Hjf81827AmPcW/5fBy/HecfjLNga9cgITPM=; b=o3Xg5+9gRBKCw3dH8UydF2AjmmqkR9F4upNpGkv3pzlzNe0SaBXYqkD4S5ejof4gJN kTR5Uw4MzB0HZRB48MUp847c6NoEeI7D4TG/P0rBm6H4kUX0jUKmLFq3QUzPFwkRe8oW mPzvv5fDjoGkLNEKP5B6CtNvwzT1Z3HqjPl891Ad6czw619BiRXpK8nd4DAsrG2LMsXM Q/vyqDJIWYdYzkpBt5Xtphb+8oYF793j3UBgyHxckvQTzPBDDBTq16r6pgQioBOe0od5 xBI0A1SavW8DrxdxeEhVmVc8/nm71Zqg5BzY5En0MVZ5RNVCKES/Ijf2/FLHQQtjlWBz 4Pwg== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=6i477Y4/Hjf81827AmPcW/5fBy/HecfjLNga9cgITPM=; b=oCyTR3wM6OeEovl7dX3ovh+Ff4nJ6PW8W4gpEQyXO4rF/1NkXjSDUaZq3t78ZaS3WU w1NoGwKpCFrMa0U7gyEFUrN3JQ5zJtBrnWOBCrKYnRZkTTWV9l1hTOKr5rOKNYOudDKM bhVMJFLBIDIdVtTl9IBQ386u9/pi1nlW4sZVnXfWv7DWJfinrUsm/LY405lH/ENqbcCX eUfROx6+3rpaafeVd9qUsNmUqOuIwoUSPWT5RThrLlUjYRUCThxuOfhK/CY1tlddui9g 0MoDisus8l2PXNFoikj7ckSBgsWGzDJ4NHBmRJHfyN9rkPSgrXRy6/3dR98kGEGu7xah xH8A== X-Gm-Message-State: AOAM531yYG03d5/bolz5r7xpPU50VpCdUwv4v6prZBmXjomtsLWBBsvz 7uT97dSG3T3ZXBUbFTp96IM= X-Google-Smtp-Source: ABdhPJyHqKMv5xXF3q6EMlXMMgZole3hFnV3RheN66PzOwhfuUfBqG4rgc0IBZ8yxhfySGklEfVmQA== X-Received: by 2002:a17:90a:2c4b:: with SMTP id p11mr3011472pjm.75.1615962297261; Tue, 16 Mar 2021 23:24:57 -0700 (PDT) Received: from bobo.ozlabs.ibm.com (58-6-239-121.tpgi.com.au. [58.6.239.121]) by smtp.gmail.com with ESMTPSA id s19sm17959620pfh.168.2021.03.16.23.24.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Mar 2021 23:24:56 -0700 (PDT) From: Nicholas Piggin To: linux-mm@kvack.org, Andrew Morton Cc: Nicholas Piggin , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Jonathan Cameron , Christoph Hellwig , Christophe Leroy , Rick Edgecombe , Ding Tianhong , Miaohe Lin , Christoph Hellwig Subject: [PATCH v13 05/14] mm/ioremap: rename ioremap_*_range to vmap_*_range Date: Wed, 17 Mar 2021 16:23:53 +1000 Message-Id: <20210317062402.533919-6-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20210317062402.533919-1-npiggin@gmail.com> References: <20210317062402.533919-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This will be used as a generic kernel virtual mapping function, so re-name it in preparation. Reviewed-by: Miaohe Lin Reviewed-by: Christoph Hellwig Signed-off-by: Nicholas Piggin --- mm/ioremap.c | 64 +++++++++++++++++++++++++++------------------------- 1 file changed, 33 insertions(+), 31 deletions(-) diff --git a/mm/ioremap.c b/mm/ioremap.c index 5fa1ab41d152..3f4d36f9745a 100644 --- a/mm/ioremap.c +++ b/mm/ioremap.c @@ -61,9 +61,9 @@ static inline int ioremap_pud_enabled(void) { return 0; } static inline int ioremap_pmd_enabled(void) { return 0; } #endif /* CONFIG_HAVE_ARCH_HUGE_VMAP */ -static int ioremap_pte_range(pmd_t *pmd, unsigned long addr, - unsigned long end, phys_addr_t phys_addr, pgprot_t prot, - pgtbl_mod_mask *mask) +static int vmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end, + phys_addr_t phys_addr, pgprot_t prot, + pgtbl_mod_mask *mask) { pte_t *pte; u64 pfn; @@ -81,9 +81,8 @@ static int ioremap_pte_range(pmd_t *pmd, unsigned long addr, return 0; } -static int ioremap_try_huge_pmd(pmd_t *pmd, unsigned long addr, - unsigned long end, phys_addr_t phys_addr, - pgprot_t prot) +static int vmap_try_huge_pmd(pmd_t *pmd, unsigned long addr, unsigned long end, + phys_addr_t phys_addr, pgprot_t prot) { if (!ioremap_pmd_enabled()) return 0; @@ -103,9 +102,9 @@ static int ioremap_try_huge_pmd(pmd_t *pmd, unsigned long addr, return pmd_set_huge(pmd, phys_addr, prot); } -static inline int ioremap_pmd_range(pud_t *pud, unsigned long addr, - unsigned long end, phys_addr_t phys_addr, pgprot_t prot, - pgtbl_mod_mask *mask) +static int vmap_pmd_range(pud_t *pud, unsigned long addr, unsigned long end, + phys_addr_t phys_addr, pgprot_t prot, + pgtbl_mod_mask *mask) { pmd_t *pmd; unsigned long next; @@ -116,20 +115,19 @@ static inline int ioremap_pmd_range(pud_t *pud, unsigned long addr, do { next = pmd_addr_end(addr, end); - if (ioremap_try_huge_pmd(pmd, addr, next, phys_addr, prot)) { + if (vmap_try_huge_pmd(pmd, addr, next, phys_addr, prot)) { *mask |= PGTBL_PMD_MODIFIED; continue; } - if (ioremap_pte_range(pmd, addr, next, phys_addr, prot, mask)) + if (vmap_pte_range(pmd, addr, next, phys_addr, prot, mask)) return -ENOMEM; } while (pmd++, phys_addr += (next - addr), addr = next, addr != end); return 0; } -static int ioremap_try_huge_pud(pud_t *pud, unsigned long addr, - unsigned long end, phys_addr_t phys_addr, - pgprot_t prot) +static int vmap_try_huge_pud(pud_t *pud, unsigned long addr, unsigned long end, + phys_addr_t phys_addr, pgprot_t prot) { if (!ioremap_pud_enabled()) return 0; @@ -149,9 +147,9 @@ static int ioremap_try_huge_pud(pud_t *pud, unsigned long addr, return pud_set_huge(pud, phys_addr, prot); } -static inline int ioremap_pud_range(p4d_t *p4d, unsigned long addr, - unsigned long end, phys_addr_t phys_addr, pgprot_t prot, - pgtbl_mod_mask *mask) +static int vmap_pud_range(p4d_t *p4d, unsigned long addr, unsigned long end, + phys_addr_t phys_addr, pgprot_t prot, + pgtbl_mod_mask *mask) { pud_t *pud; unsigned long next; @@ -162,20 +160,19 @@ static inline int ioremap_pud_range(p4d_t *p4d, unsigned long addr, do { next = pud_addr_end(addr, end); - if (ioremap_try_huge_pud(pud, addr, next, phys_addr, prot)) { + if (vmap_try_huge_pud(pud, addr, next, phys_addr, prot)) { *mask |= PGTBL_PUD_MODIFIED; continue; } - if (ioremap_pmd_range(pud, addr, next, phys_addr, prot, mask)) + if (vmap_pmd_range(pud, addr, next, phys_addr, prot, mask)) return -ENOMEM; } while (pud++, phys_addr += (next - addr), addr = next, addr != end); return 0; } -static int ioremap_try_huge_p4d(p4d_t *p4d, unsigned long addr, - unsigned long end, phys_addr_t phys_addr, - pgprot_t prot) +static int vmap_try_huge_p4d(p4d_t *p4d, unsigned long addr, unsigned long end, + phys_addr_t phys_addr, pgprot_t prot) { if (!ioremap_p4d_enabled()) return 0; @@ -195,9 +192,9 @@ static int ioremap_try_huge_p4d(p4d_t *p4d, unsigned long addr, return p4d_set_huge(p4d, phys_addr, prot); } -static inline int ioremap_p4d_range(pgd_t *pgd, unsigned long addr, - unsigned long end, phys_addr_t phys_addr, pgprot_t prot, - pgtbl_mod_mask *mask) +static int vmap_p4d_range(pgd_t *pgd, unsigned long addr, unsigned long end, + phys_addr_t phys_addr, pgprot_t prot, + pgtbl_mod_mask *mask) { p4d_t *p4d; unsigned long next; @@ -208,19 +205,19 @@ static inline int ioremap_p4d_range(pgd_t *pgd, unsigned long addr, do { next = p4d_addr_end(addr, end); - if (ioremap_try_huge_p4d(p4d, addr, next, phys_addr, prot)) { + if (vmap_try_huge_p4d(p4d, addr, next, phys_addr, prot)) { *mask |= PGTBL_P4D_MODIFIED; continue; } - if (ioremap_pud_range(p4d, addr, next, phys_addr, prot, mask)) + if (vmap_pud_range(p4d, addr, next, phys_addr, prot, mask)) return -ENOMEM; } while (p4d++, phys_addr += (next - addr), addr = next, addr != end); return 0; } -int ioremap_page_range(unsigned long addr, - unsigned long end, phys_addr_t phys_addr, pgprot_t prot) +static int vmap_range(unsigned long addr, unsigned long end, + phys_addr_t phys_addr, pgprot_t prot) { pgd_t *pgd; unsigned long start; @@ -235,8 +232,7 @@ int ioremap_page_range(unsigned long addr, pgd = pgd_offset_k(addr); do { next = pgd_addr_end(addr, end); - err = ioremap_p4d_range(pgd, addr, next, phys_addr, prot, - &mask); + err = vmap_p4d_range(pgd, addr, next, phys_addr, prot, &mask); if (err) break; } while (pgd++, phys_addr += (next - addr), addr = next, addr != end); @@ -249,6 +245,12 @@ int ioremap_page_range(unsigned long addr, return err; } +int ioremap_page_range(unsigned long addr, + unsigned long end, phys_addr_t phys_addr, pgprot_t prot) +{ + return vmap_range(addr, end, phys_addr, prot); +} + #ifdef CONFIG_GENERIC_IOREMAP void __iomem *ioremap_prot(phys_addr_t addr, size_t size, unsigned long prot) { -- 2.23.0