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=-9.8 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,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 CA93ACA9EA4 for ; Fri, 18 Oct 2019 08:09:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A29B8222C5 for ; Fri, 18 Oct 2019 08:09:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=sifive.com header.i=@sifive.com header.b="BEa8jHfR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2505010AbfJRIJA (ORCPT ); Fri, 18 Oct 2019 04:09:00 -0400 Received: from mail-il1-f194.google.com ([209.85.166.194]:45219 "EHLO mail-il1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2504985AbfJRII5 (ORCPT ); Fri, 18 Oct 2019 04:08:57 -0400 Received: by mail-il1-f194.google.com with SMTP id u1so4700776ilq.12 for ; Fri, 18 Oct 2019 01:08:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=JYeo0xAdWe0VE7AGn4vUOp9/RKxdCHKwx1Hu2VD3ZFI=; b=BEa8jHfR8SLog4bfpTOtrnQrMMUZBlhhUaquTKSNM7bfhJ7AOHEXm7j9Zne8jWG/ng AnjL8tJG5d1U9kBCJUZxb+aV9smKps16+5fuh+d9GHuWTvfu2FZfyGXWqKFjqa26pG9X jaSOi3e62owzJIefigq1rNPMcgEnyafB1+39k8jaXeyuzNrQ6UtSiUFfBczA7kCzhmEe dAN9Js/v1W8g0Y0d5bP4Uov1eJQv5kBb6zcUVWaWY7o5SQs459EncVLFAea6MKZYMkV4 v2tW7buAa3LTtYKfwtkL8z4YFdtNIKHRi9ji6IhD2XzfgUvn6SoRwoNuqnHLEFjI/zwn 0HCA== 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=JYeo0xAdWe0VE7AGn4vUOp9/RKxdCHKwx1Hu2VD3ZFI=; b=c2FefWuMNTFKpR4euSiKJLswUfvZPJ+8UPZqiiynVJtC3FO4anUUciSCum/Ox86P0m 6fWmK7GLN+UxsucNuXMFOg4TYmkKhwBDghqDMGVIQA1UimgxCXf0a2AXoUwqwoWMU6tN jQ4HUN4dEBiAD2m0NXp3aK+dhXZjDOBUpfsfySi++lsl82g+iFkCZuZSPlJXTOkMi76i zdwLwDMXkb5lER8CeNoof/t6L93LdVO78jcyc4Ve55ymktcH3W4GUBmbdivZPimqy/kM +hcNW/lXt+zN8en+pJgSEo7aPqPgyPR+ueN3/aE+TJYtAwUHXz0mMC0wziWtquapPM6h q3dA== X-Gm-Message-State: APjAAAXd7/YLUdy52SRZaPvNcQA+9WOFdW+U+xFBxCWaavlVq/p+Uuyh OlSygzOVDnlo2QkTtJQGGbaDVA== X-Google-Smtp-Source: APXvYqyuLyK6QOrpyjN95pmAmKgcGMj9sSZrO/kmSBeQ12P0BdNjQwxsuihuLXs59+Es22lnPyDCjw== X-Received: by 2002:a92:4a05:: with SMTP id m5mr3584987ilf.91.1571386136597; Fri, 18 Oct 2019 01:08:56 -0700 (PDT) Received: from viisi.Home ([64.62.168.194]) by smtp.gmail.com with ESMTPSA id z86sm2121026ilf.73.2019.10.18.01.08.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Oct 2019 01:08:56 -0700 (PDT) From: Paul Walmsley To: linux-riscv@lists.infradead.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH v3 5/8] riscv: mark some code and data as file-static Date: Fri, 18 Oct 2019 01:08:38 -0700 Message-Id: <20191018080841.26712-6-paul.walmsley@sifive.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191018080841.26712-1-paul.walmsley@sifive.com> References: <20191018080841.26712-1-paul.walmsley@sifive.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Several functions and arrays which are only used in the files in which they are declared are missing "static" qualifiers. Warnings for these symbols are reported by sparse: arch/riscv/kernel/stacktrace.c:22:14: warning: symbol 'walk_stackframe' was not declared. Should it be static? arch/riscv/kernel/vdso.c:28:18: warning: symbol 'vdso_data' was not declared. Should it be static? arch/riscv/mm/init.c:42:6: warning: symbol 'setup_zero_page' was not declared. Should it be static? arch/riscv/mm/init.c:152:7: warning: symbol 'fixmap_pte' was not declared. Should it be static? arch/riscv/mm/init.c:211:7: warning: symbol 'trampoline_pmd' was not declared. Should it be static? arch/riscv/mm/init.c:212:7: warning: symbol 'fixmap_pmd' was not declared. Should it be static? arch/riscv/mm/init.c:219:7: warning: symbol 'early_pmd' was not declared. Should it be static? arch/riscv/mm/sifive_l2_cache.c:145:12: warning: symbol 'sifive_l2_init' was not declared. Should it be static? Resolve these warnings by marking them as static. Signed-off-by: Paul Walmsley --- arch/riscv/kernel/stacktrace.c | 6 ++++-- arch/riscv/kernel/vdso.c | 2 +- arch/riscv/mm/init.c | 12 +++++++----- arch/riscv/mm/sifive_l2_cache.c | 2 +- 4 files changed, 13 insertions(+), 9 deletions(-) diff --git a/arch/riscv/kernel/stacktrace.c b/arch/riscv/kernel/stacktrace.c index 0940681d2f68..fd908baed51c 100644 --- a/arch/riscv/kernel/stacktrace.c +++ b/arch/riscv/kernel/stacktrace.c @@ -19,8 +19,10 @@ struct stackframe { unsigned long ra; }; -void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs, - bool (*fn)(unsigned long, void *), void *arg) +static void notrace walk_stackframe(struct task_struct *task, + struct pt_regs *regs, + bool (*fn)(unsigned long, void *), + void *arg) { unsigned long fp, sp, pc; diff --git a/arch/riscv/kernel/vdso.c b/arch/riscv/kernel/vdso.c index c9c21e0d5641..e24fccab8185 100644 --- a/arch/riscv/kernel/vdso.c +++ b/arch/riscv/kernel/vdso.c @@ -25,7 +25,7 @@ static union { struct vdso_data data; u8 page[PAGE_SIZE]; } vdso_data_store __page_aligned_data; -struct vdso_data *vdso_data = &vdso_data_store.data; +static struct vdso_data *vdso_data = &vdso_data_store.data; static int __init vdso_init(void) { diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index fe68e94ea946..79cfb35f1e0e 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -40,7 +40,7 @@ static void __init zone_sizes_init(void) free_area_init_nodes(max_zone_pfns); } -void setup_zero_page(void) +static void setup_zero_page(void) { memset((void *)empty_zero_page, 0, PAGE_SIZE); } @@ -150,7 +150,7 @@ EXPORT_SYMBOL(pfn_base); void *dtb_early_va; pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned_bss; pgd_t trampoline_pg_dir[PTRS_PER_PGD] __page_aligned_bss; -pte_t fixmap_pte[PTRS_PER_PTE] __page_aligned_bss; +static pte_t fixmap_pte[PTRS_PER_PTE] __page_aligned_bss; static bool mmu_enabled; #define MAX_EARLY_MAPPING_SIZE SZ_128M @@ -209,15 +209,17 @@ static void __init create_pte_mapping(pte_t *ptep, #ifndef __PAGETABLE_PMD_FOLDED -pmd_t trampoline_pmd[PTRS_PER_PMD] __page_aligned_bss; -pmd_t fixmap_pmd[PTRS_PER_PMD] __page_aligned_bss; +static pmd_t trampoline_pmd[PTRS_PER_PMD] __page_aligned_bss; +static pmd_t fixmap_pmd[PTRS_PER_PMD] __page_aligned_bss; #if MAX_EARLY_MAPPING_SIZE < PGDIR_SIZE #define NUM_EARLY_PMDS 1UL #else #define NUM_EARLY_PMDS (1UL + MAX_EARLY_MAPPING_SIZE / PGDIR_SIZE) #endif -pmd_t early_pmd[PTRS_PER_PMD * NUM_EARLY_PMDS] __initdata __aligned(PAGE_SIZE); + +#define NUM_EARLY_PMDS_PTRS (PTRS_PER_PMD * NUM_EARLY_PMDS) +static pmd_t early_pmd[NUM_EARLY_PMDS_PTRS] __initdata __aligned(PAGE_SIZE); static pmd_t *__init get_pmd_virt(phys_addr_t pa) { diff --git a/arch/riscv/mm/sifive_l2_cache.c b/arch/riscv/mm/sifive_l2_cache.c index 2e637ad71c05..a9ffff3277c7 100644 --- a/arch/riscv/mm/sifive_l2_cache.c +++ b/arch/riscv/mm/sifive_l2_cache.c @@ -142,7 +142,7 @@ static irqreturn_t l2_int_handler(int irq, void *device) return IRQ_HANDLED; } -int __init sifive_l2_init(void) +static int __init sifive_l2_init(void) { struct device_node *np; struct resource res; 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Fri, 18 Oct 2019 01:08:56 -0700 (PDT) From: Paul Walmsley To: linux-riscv@lists.infradead.org Subject: [PATCH v3 5/8] riscv: mark some code and data as file-static Date: Fri, 18 Oct 2019 01:08:38 -0700 Message-Id: <20191018080841.26712-6-paul.walmsley@sifive.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191018080841.26712-1-paul.walmsley@sifive.com> References: <20191018080841.26712-1-paul.walmsley@sifive.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191018_010858_260700_80291753 X-CRM114-Status: GOOD ( 12.38 ) 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: linux-kernel@vger.kernel.org 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 Several functions and arrays which are only used in the files in which they are declared are missing "static" qualifiers. Warnings for these symbols are reported by sparse: arch/riscv/kernel/stacktrace.c:22:14: warning: symbol 'walk_stackframe' was not declared. Should it be static? arch/riscv/kernel/vdso.c:28:18: warning: symbol 'vdso_data' was not declared. Should it be static? arch/riscv/mm/init.c:42:6: warning: symbol 'setup_zero_page' was not declared. Should it be static? arch/riscv/mm/init.c:152:7: warning: symbol 'fixmap_pte' was not declared. Should it be static? arch/riscv/mm/init.c:211:7: warning: symbol 'trampoline_pmd' was not declared. Should it be static? arch/riscv/mm/init.c:212:7: warning: symbol 'fixmap_pmd' was not declared. Should it be static? arch/riscv/mm/init.c:219:7: warning: symbol 'early_pmd' was not declared. Should it be static? arch/riscv/mm/sifive_l2_cache.c:145:12: warning: symbol 'sifive_l2_init' was not declared. Should it be static? Resolve these warnings by marking them as static. Signed-off-by: Paul Walmsley --- arch/riscv/kernel/stacktrace.c | 6 ++++-- arch/riscv/kernel/vdso.c | 2 +- arch/riscv/mm/init.c | 12 +++++++----- arch/riscv/mm/sifive_l2_cache.c | 2 +- 4 files changed, 13 insertions(+), 9 deletions(-) diff --git a/arch/riscv/kernel/stacktrace.c b/arch/riscv/kernel/stacktrace.c index 0940681d2f68..fd908baed51c 100644 --- a/arch/riscv/kernel/stacktrace.c +++ b/arch/riscv/kernel/stacktrace.c @@ -19,8 +19,10 @@ struct stackframe { unsigned long ra; }; -void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs, - bool (*fn)(unsigned long, void *), void *arg) +static void notrace walk_stackframe(struct task_struct *task, + struct pt_regs *regs, + bool (*fn)(unsigned long, void *), + void *arg) { unsigned long fp, sp, pc; diff --git a/arch/riscv/kernel/vdso.c b/arch/riscv/kernel/vdso.c index c9c21e0d5641..e24fccab8185 100644 --- a/arch/riscv/kernel/vdso.c +++ b/arch/riscv/kernel/vdso.c @@ -25,7 +25,7 @@ static union { struct vdso_data data; u8 page[PAGE_SIZE]; } vdso_data_store __page_aligned_data; -struct vdso_data *vdso_data = &vdso_data_store.data; +static struct vdso_data *vdso_data = &vdso_data_store.data; static int __init vdso_init(void) { diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index fe68e94ea946..79cfb35f1e0e 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -40,7 +40,7 @@ static void __init zone_sizes_init(void) free_area_init_nodes(max_zone_pfns); } -void setup_zero_page(void) +static void setup_zero_page(void) { memset((void *)empty_zero_page, 0, PAGE_SIZE); } @@ -150,7 +150,7 @@ EXPORT_SYMBOL(pfn_base); void *dtb_early_va; pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned_bss; pgd_t trampoline_pg_dir[PTRS_PER_PGD] __page_aligned_bss; -pte_t fixmap_pte[PTRS_PER_PTE] __page_aligned_bss; +static pte_t fixmap_pte[PTRS_PER_PTE] __page_aligned_bss; static bool mmu_enabled; #define MAX_EARLY_MAPPING_SIZE SZ_128M @@ -209,15 +209,17 @@ static void __init create_pte_mapping(pte_t *ptep, #ifndef __PAGETABLE_PMD_FOLDED -pmd_t trampoline_pmd[PTRS_PER_PMD] __page_aligned_bss; -pmd_t fixmap_pmd[PTRS_PER_PMD] __page_aligned_bss; +static pmd_t trampoline_pmd[PTRS_PER_PMD] __page_aligned_bss; +static pmd_t fixmap_pmd[PTRS_PER_PMD] __page_aligned_bss; #if MAX_EARLY_MAPPING_SIZE < PGDIR_SIZE #define NUM_EARLY_PMDS 1UL #else #define NUM_EARLY_PMDS (1UL + MAX_EARLY_MAPPING_SIZE / PGDIR_SIZE) #endif -pmd_t early_pmd[PTRS_PER_PMD * NUM_EARLY_PMDS] __initdata __aligned(PAGE_SIZE); + +#define NUM_EARLY_PMDS_PTRS (PTRS_PER_PMD * NUM_EARLY_PMDS) +static pmd_t early_pmd[NUM_EARLY_PMDS_PTRS] __initdata __aligned(PAGE_SIZE); static pmd_t *__init get_pmd_virt(phys_addr_t pa) { diff --git a/arch/riscv/mm/sifive_l2_cache.c b/arch/riscv/mm/sifive_l2_cache.c index 2e637ad71c05..a9ffff3277c7 100644 --- a/arch/riscv/mm/sifive_l2_cache.c +++ b/arch/riscv/mm/sifive_l2_cache.c @@ -142,7 +142,7 @@ static irqreturn_t l2_int_handler(int irq, void *device) return IRQ_HANDLED; } -int __init sifive_l2_init(void) +static int __init sifive_l2_init(void) { struct device_node *np; struct resource res; -- 2.23.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv