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[2620:137:e000::1:20]) by mx.google.com with ESMTP id x29-20020aa7957d000000b0063b5875dd22si21786471pfq.308.2023.05.17.06.18.41; Wed, 17 May 2023 06:18:55 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=l8Upc9il; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231955AbjEQNNw (ORCPT + 99 others); Wed, 17 May 2023 09:13:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51896 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231939AbjEQNNh (ORCPT ); Wed, 17 May 2023 09:13:37 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3E9AF7AA9; Wed, 17 May 2023 06:13:18 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 979336470D; Wed, 17 May 2023 13:13:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C74F6C433A4; Wed, 17 May 2023 13:12:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684329183; bh=5NC+R9L1E/fmBQ066aYfhi0qkrJ6JzVzgVjmEHMkLjU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=l8Upc9ileCnKM5gWLC5icoFUzHvjtfIb0rGQuYHK2R2BBoJn3EQUN8YGxQGUmTe1Q FifVbqnrxjcKrhIPG7cfxaO7G4kNVGuqhVVgPLyBAydYBADy08TrBam1s98AjZ3ZkE fEnaLhk/IvZkBjNkmt3jxoFlfX2LU4F+95jXsqagxUboJmuWOZJNNv1jdEHE1lr3u3 s+xcsbofGAKuaoNyi4GCmd9IIZYTJX4PYJbEOaUwa4IbTX4pzj82XZ+dIN+t3R5sOK V2OrXFjNelWdB9lEoKDuGA5pIqfrei8Z05wavf5Tyw/7qlaF5Wje21GVRxVY4Jyrxt HyNYPjbLmWSMQ== From: Arnd Bergmann To: Andrew Morton Cc: linux-mm@kvack.org, Arnd Bergmann , Russell King , Catalin Marinas , Will Deacon , Michal Simek , Thomas Bogendoerfer , Helge Deller , Michael Ellerman , Palmer Dabbelt , Heiko Carstens , Thomas Gleixner , Ingo Molnar , x86@kernel.org, "Rafael J. Wysocki" , Paul Moore , Eric Paris , Dennis Zhou , Tejun Heo , Christoph Lameter , Pavel Machek , Peter Zijlstra , Waiman Long , Boqun Feng , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, audit@vger.kernel.org, linux-pm@vger.kernel.org, linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com Subject: [PATCH 11/14] init: consolidate prototypes in linux/init.h Date: Wed, 17 May 2023 15:10:59 +0200 Message-Id: <20230517131102.934196-12-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230517131102.934196-1-arnd@kernel.org> References: <20230517131102.934196-1-arnd@kernel.org> MIME-Version: 1.0 X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1766147527366207191?= X-GMAIL-MSGID: =?utf-8?q?1766147527366207191?= From: Arnd Bergmann The init/main.c file contains some extern declarations for functions defined in architecture code, and it defines some other functions that are called from architecture code with a custom prototype. Both of those result in warnings with 'make W=1': init/calibrate.c:261:37: error: no previous prototype for 'calibrate_delay_is_known' [-Werror=missing-prototypes] init/main.c:790:20: error: no previous prototype for 'mem_encrypt_init' [-Werror=missing-prototypes] init/main.c:792:20: error: no previous prototype for 'poking_init' [-Werror=missing-prototypes] arch/arm64/kernel/irq.c:122:13: error: no previous prototype for 'init_IRQ' [-Werror=missing-prototypes] arch/arm64/kernel/time.c:55:13: error: no previous prototype for 'time_init' [-Werror=missing-prototypes] arch/x86/kernel/process.c:935:13: error: no previous prototype for 'arch_post_acpi_subsys_init' [-Werror=missing-prototypes] init/calibrate.c:261:37: error: no previous prototype for 'calibrate_delay_is_known' [-Werror=missing-prototypes] kernel/fork.c:991:20: error: no previous prototype for 'arch_task_cache_init' [-Werror=missing-prototypes] Add prototypes for all of these in include/linux/init.h or another appropriate header, and remove the duplicate declarations from architecture specific code. Signed-off-by: Arnd Bergmann Reviewed-by: Palmer Dabbelt # RISC-V Acked-by: Palmer Dabbelt # RISC-V --- arch/arm/include/asm/irq.h | 1 - arch/microblaze/include/asm/setup.h | 2 -- arch/mips/include/asm/irq.h | 1 - arch/parisc/kernel/smp.c | 1 - arch/powerpc/include/asm/irq.h | 1 - arch/riscv/include/asm/irq.h | 2 -- arch/riscv/include/asm/timex.h | 2 -- arch/s390/kernel/entry.h | 2 -- arch/sh/include/asm/irq.h | 1 - arch/sh/include/asm/rtc.h | 2 -- arch/sparc/include/asm/irq_32.h | 1 - arch/sparc/include/asm/irq_64.h | 1 - arch/sparc/include/asm/timer_64.h | 1 - arch/sparc/kernel/kernel.h | 4 ---- arch/x86/include/asm/irq.h | 2 -- arch/x86/include/asm/mem_encrypt.h | 3 --- arch/x86/include/asm/time.h | 1 - arch/x86/include/asm/tsc.h | 1 - include/linux/acpi.h | 3 ++- include/linux/delay.h | 1 + include/linux/init.h | 20 ++++++++++++++++++++ init/main.c | 18 ------------------ 22 files changed, 23 insertions(+), 48 deletions(-) diff --git a/arch/arm/include/asm/irq.h b/arch/arm/include/asm/irq.h index f62fa9f36192..ea0fdf83c397 100644 --- a/arch/arm/include/asm/irq.h +++ b/arch/arm/include/asm/irq.h @@ -23,7 +23,6 @@ #endif #ifndef __ASSEMBLY__ -void init_IRQ(void); #ifdef CONFIG_SMP #include diff --git a/arch/microblaze/include/asm/setup.h b/arch/microblaze/include/asm/setup.h index a06cc1f97aa9..3657f5e78a3d 100644 --- a/arch/microblaze/include/asm/setup.h +++ b/arch/microblaze/include/asm/setup.h @@ -16,8 +16,6 @@ extern char *klimit; extern void mmu_reset(void); -void time_init(void); -void init_IRQ(void); void machine_early_init(const char *cmdline, unsigned int ram, unsigned int fdt, unsigned int msr, unsigned int tlb0, unsigned int tlb1); diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h index 44f9824c1d8c..75abfa834ab7 100644 --- a/arch/mips/include/asm/irq.h +++ b/arch/mips/include/asm/irq.h @@ -19,7 +19,6 @@ #define IRQ_STACK_SIZE THREAD_SIZE #define IRQ_STACK_START (IRQ_STACK_SIZE - 16) -extern void __init init_IRQ(void); extern void *irq_stack[NR_CPUS]; /* diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index b7fc859fa87d..83348125b524 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -271,7 +271,6 @@ void arch_send_call_function_single_ipi(int cpu) static void smp_cpu_init(int cpunum) { - extern void init_IRQ(void); /* arch/parisc/kernel/irq.c */ extern void start_cpu_itimer(void); /* arch/parisc/kernel/time.c */ /* Set modes and Enable floating point coprocessor */ diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h index deadd2149426..94dffa1dd223 100644 --- a/arch/powerpc/include/asm/irq.h +++ b/arch/powerpc/include/asm/irq.h @@ -50,7 +50,6 @@ extern void *hardirq_ctx[NR_CPUS]; extern void *softirq_ctx[NR_CPUS]; void __do_IRQ(struct pt_regs *regs); -extern void __init init_IRQ(void); int irq_choose_cpu(const struct cpumask *mask); diff --git a/arch/riscv/include/asm/irq.h b/arch/riscv/include/asm/irq.h index 43b9ebfbd943..8e10a94430a2 100644 --- a/arch/riscv/include/asm/irq.h +++ b/arch/riscv/include/asm/irq.h @@ -16,6 +16,4 @@ void riscv_set_intc_hwnode_fn(struct fwnode_handle *(*fn)(void)); struct fwnode_handle *riscv_get_intc_hwnode(void); -extern void __init init_IRQ(void); - #endif /* _ASM_RISCV_IRQ_H */ diff --git a/arch/riscv/include/asm/timex.h b/arch/riscv/include/asm/timex.h index d6a7428f6248..a06697846e69 100644 --- a/arch/riscv/include/asm/timex.h +++ b/arch/riscv/include/asm/timex.h @@ -88,6 +88,4 @@ static inline int read_current_timer(unsigned long *timer_val) return 0; } -extern void time_init(void); - #endif /* _ASM_RISCV_TIMEX_H */ diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h index 34674e38826b..9f41853f36b9 100644 --- a/arch/s390/kernel/entry.h +++ b/arch/s390/kernel/entry.h @@ -34,14 +34,12 @@ void kernel_stack_overflow(struct pt_regs * regs); void handle_signal32(struct ksignal *ksig, sigset_t *oldset, struct pt_regs *regs); -void __init init_IRQ(void); void do_io_irq(struct pt_regs *regs); void do_ext_irq(struct pt_regs *regs); void do_restart(void *arg); void __init startup_init(void); void die(struct pt_regs *regs, const char *str); int setup_profiling_timer(unsigned int multiplier); -void __init time_init(void); unsigned long prepare_ftrace_return(unsigned long parent, unsigned long sp, unsigned long ip); struct s390_mmap_arg_struct; diff --git a/arch/sh/include/asm/irq.h b/arch/sh/include/asm/irq.h index 1c4923502fd4..0f384b1f45ca 100644 --- a/arch/sh/include/asm/irq.h +++ b/arch/sh/include/asm/irq.h @@ -22,7 +22,6 @@ extern unsigned short *irq_mask_register; /* * PINT IRQs */ -void init_IRQ_pint(void); void make_imask_irq(unsigned int irq); static inline int generic_irq_demux(int irq) diff --git a/arch/sh/include/asm/rtc.h b/arch/sh/include/asm/rtc.h index 2d333ad60810..40b0899783d7 100644 --- a/arch/sh/include/asm/rtc.h +++ b/arch/sh/include/asm/rtc.h @@ -2,8 +2,6 @@ #ifndef _ASM_RTC_H #define _ASM_RTC_H -void time_init(void); - #define RTC_CAP_4_DIGIT_YEAR (1 << 0) struct sh_rtc_platform_data { diff --git a/arch/sparc/include/asm/irq_32.h b/arch/sparc/include/asm/irq_32.h index 43ec2609b811..6ee48321cbc2 100644 --- a/arch/sparc/include/asm/irq_32.h +++ b/arch/sparc/include/asm/irq_32.h @@ -17,7 +17,6 @@ #define irq_canonicalize(irq) (irq) -void __init init_IRQ(void); void __init sun4d_init_sbi_irq(void); #define NO_IRQ 0xffffffff diff --git a/arch/sparc/include/asm/irq_64.h b/arch/sparc/include/asm/irq_64.h index 154df2cf19f4..b436029f1ced 100644 --- a/arch/sparc/include/asm/irq_64.h +++ b/arch/sparc/include/asm/irq_64.h @@ -61,7 +61,6 @@ void sun4u_destroy_msi(unsigned int irq); unsigned int irq_alloc(unsigned int dev_handle, unsigned int dev_ino); void irq_free(unsigned int irq); -void __init init_IRQ(void); void fixup_irqs(void); static inline void set_softint(unsigned long bits) diff --git a/arch/sparc/include/asm/timer_64.h b/arch/sparc/include/asm/timer_64.h index dcfad4613e18..ffff52c8b760 100644 --- a/arch/sparc/include/asm/timer_64.h +++ b/arch/sparc/include/asm/timer_64.h @@ -34,7 +34,6 @@ extern struct sparc64_tick_ops *tick_ops; unsigned long sparc64_get_clock_tick(unsigned int cpu); void setup_sparc64_timer(void); -void __init time_init(void); #define TICK_PRIV_BIT BIT(63) #define TICKCMP_IRQ_BIT BIT(63) diff --git a/arch/sparc/kernel/kernel.h b/arch/sparc/kernel/kernel.h index 9cd09a3ef35f..970ef8dec86e 100644 --- a/arch/sparc/kernel/kernel.h +++ b/arch/sparc/kernel/kernel.h @@ -62,9 +62,6 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs); void do_signal32(struct pt_regs * regs); asmlinkage int do_sys32_sigstack(u32 u_ssptr, u32 u_ossptr, unsigned long sp); -/* time_64.c */ -void __init time_init_early(void); - /* compat_audit.c */ extern unsigned int sparc32_dir_class[]; extern unsigned int sparc32_chattr_class[]; @@ -91,7 +88,6 @@ extern int static_irq_count; extern spinlock_t irq_action_lock; void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs); -void init_IRQ(void); /* sun4m_irq.c */ void sun4m_init_IRQ(void); diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h index 768aa234cbb4..29e083b92813 100644 --- a/arch/x86/include/asm/irq.h +++ b/arch/x86/include/asm/irq.h @@ -40,8 +40,6 @@ extern void __handle_irq(struct irq_desc *desc, struct pt_regs *regs); extern void init_ISA_irqs(void); -extern void __init init_IRQ(void); - #ifdef CONFIG_X86_LOCAL_APIC void arch_trigger_cpumask_backtrace(const struct cpumask *mask, bool exclude_self); diff --git a/arch/x86/include/asm/mem_encrypt.h b/arch/x86/include/asm/mem_encrypt.h index b7126701574c..1c22c86d13e6 100644 --- a/arch/x86/include/asm/mem_encrypt.h +++ b/arch/x86/include/asm/mem_encrypt.h @@ -87,9 +87,6 @@ static inline void mem_encrypt_free_decrypted_mem(void) { } #endif /* CONFIG_AMD_MEM_ENCRYPT */ -/* Architecture __weak replacement functions */ -void __init mem_encrypt_init(void); - void add_encrypt_protection_map(void); /* diff --git a/arch/x86/include/asm/time.h b/arch/x86/include/asm/time.h index a53961c64a56..f360104ed172 100644 --- a/arch/x86/include/asm/time.h +++ b/arch/x86/include/asm/time.h @@ -6,7 +6,6 @@ #include extern void hpet_time_init(void); -extern void time_init(void); extern bool pit_timer_init(void); extern bool tsc_clocksource_watchdog_disabled(void); diff --git a/arch/x86/include/asm/tsc.h b/arch/x86/include/asm/tsc.h index fbdc3d951494..1992ef5e41a9 100644 --- a/arch/x86/include/asm/tsc.h +++ b/arch/x86/include/asm/tsc.h @@ -32,7 +32,6 @@ extern struct system_counterval_t convert_art_ns_to_tsc(u64 art_ns); extern void tsc_early_init(void); extern void tsc_init(void); -extern unsigned long calibrate_delay_is_known(void); extern void mark_tsc_unstable(char *reason); extern int unsynchronized_tsc(void); extern int check_tsc_unstable(void); diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 7b71dd74baeb..f4c2a87d02c1 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -712,7 +712,6 @@ int acpi_match_platform_list(const struct acpi_platform_list *plat); extern void acpi_early_init(void); extern void acpi_subsystem_init(void); -extern void arch_post_acpi_subsys_init(void); extern int acpi_nvs_register(__u64 start, __u64 size); @@ -1084,6 +1083,8 @@ static inline bool acpi_sleep_state_supported(u8 sleep_state) #endif /* !CONFIG_ACPI */ +extern void arch_post_acpi_subsys_init(void); + #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC int acpi_ioapic_add(acpi_handle root); #else diff --git a/include/linux/delay.h b/include/linux/delay.h index 039e7e0c7378..ff9cda975e30 100644 --- a/include/linux/delay.h +++ b/include/linux/delay.h @@ -56,6 +56,7 @@ static inline void ndelay(unsigned long x) extern unsigned long lpj_fine; void calibrate_delay(void); +unsigned long calibrate_delay_is_known(void); void __attribute__((weak)) calibration_delay_done(void); void msleep(unsigned int msecs); unsigned long msleep_interruptible(unsigned int msecs); diff --git a/include/linux/init.h b/include/linux/init.h index c5fe6d26f5b1..1200fa99e848 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -152,6 +152,24 @@ extern unsigned int reset_devices; void setup_arch(char **); void prepare_namespace(void); void __init init_rootfs(void); + +void init_IRQ(void); +void time_init(void); +void mem_encrypt_init(void); +void poking_init(void); +void pgtable_cache_init(void); + +extern initcall_entry_t __initcall_start[]; +extern initcall_entry_t __initcall0_start[]; +extern initcall_entry_t __initcall1_start[]; +extern initcall_entry_t __initcall2_start[]; +extern initcall_entry_t __initcall3_start[]; +extern initcall_entry_t __initcall4_start[]; +extern initcall_entry_t __initcall5_start[]; +extern initcall_entry_t __initcall6_start[]; +extern initcall_entry_t __initcall7_start[]; +extern initcall_entry_t __initcall_end[]; + extern struct file_system_type rootfs_fs_type; #if defined(CONFIG_STRICT_KERNEL_RWX) || defined(CONFIG_STRICT_MODULE_RWX) @@ -309,6 +327,8 @@ struct obs_kernel_param { int early; }; +extern const struct obs_kernel_param __setup_start[], __setup_end[]; + /* * Only for really core code. See moduleparam.h for the normal way. * diff --git a/init/main.c b/init/main.c index af50044deed5..d4400efbef0a 100644 --- a/init/main.c +++ b/init/main.c @@ -115,10 +115,6 @@ static int kernel_init(void *); -extern void init_IRQ(void); -extern void radix_tree_init(void); -extern void maple_tree_init(void); - /* * Debug helper: via this flag we know that we are in 'early bootup code' * where only the boot processor is running with IRQ disabled. This means @@ -137,7 +133,6 @@ EXPORT_SYMBOL(system_state); #define MAX_INIT_ARGS CONFIG_INIT_ENV_ARG_LIMIT #define MAX_INIT_ENVS CONFIG_INIT_ENV_ARG_LIMIT -extern void time_init(void); /* Default late time init is NULL. archs can override this later. */ void (*__initdata late_time_init)(void); @@ -196,8 +191,6 @@ static const char *argv_init[MAX_INIT_ARGS+2] = { "init", NULL, }; const char *envp_init[MAX_INIT_ENVS+2] = { "HOME=/", "TERM=linux", NULL, }; static const char *panic_later, *panic_param; -extern const struct obs_kernel_param __setup_start[], __setup_end[]; - static bool __init obsolete_checksetup(char *line) { const struct obs_kernel_param *p; @@ -1263,17 +1256,6 @@ int __init_or_module do_one_initcall(initcall_t fn) } -extern initcall_entry_t __initcall_start[]; -extern initcall_entry_t __initcall0_start[]; -extern initcall_entry_t __initcall1_start[]; -extern initcall_entry_t __initcall2_start[]; -extern initcall_entry_t __initcall3_start[]; -extern initcall_entry_t __initcall4_start[]; -extern initcall_entry_t __initcall5_start[]; -extern initcall_entry_t __initcall6_start[]; -extern initcall_entry_t __initcall7_start[]; -extern initcall_entry_t __initcall_end[]; - static initcall_entry_t *initcall_levels[] __initdata = { __initcall0_start, __initcall1_start,