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Date:   Fri, 18 Oct 2019 06:15:02 +0200
From:   Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
To:     Paul Walmsley <paul.walmsley@sifive.com>
Cc:     linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 5/8] riscv: add missing prototypes
Message-ID: <20191018041501.cuyyhcm23dsihcif@ltop.local>
References: <20191018004929.3445-1-paul.walmsley@sifive.com>
 <20191018004929.3445-6-paul.walmsley@sifive.com>
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On Thu, Oct 17, 2019 at 05:49:26PM -0700, Paul Walmsley wrote:
> sparse identifies these missing prototypes when building arch/riscv:
> 
> arch/riscv/kernel/cpu.c:149:29: warning: symbol 'cpuinfo_op' was not declared. Should it be static?
> arch/riscv/kernel/irq.c:27:29: warning: symbol 'do_IRQ' was not declared. Should it be static?
> arch/riscv/kernel/irq.c:57:13: warning: symbol 'init_IRQ' was not declared. Should it be static?
> arch/riscv/kernel/syscall_table.c:15:6: warning: symbol 'sys_call_table' was not declared. Should it be static?
> arch/riscv/kernel/time.c:15:13: warning: symbol 'time_init' was not declared. Should it be static?
> arch/riscv/kernel/smpboot.c:135:24: warning: symbol 'smp_callin' was not declared. Should it be static?
> arch/riscv/kernel/smp.c:72:5: warning: symbol 'setup_profiling_timer' was not declared. Should it be static?
> arch/riscv/mm/init.c:151:7: warning: symbol 'trampoline_pg_dir' was not declared. Should it be static?
> arch/riscv/mm/init.c:157:7: warning: symbol 'early_pg_dir' was not declared. Should it be static?
> arch/riscv/kernel/process.c:32:6: warning: symbol 'show_regs' was not declared. Should it be static?
> arch/riscv/kernel/ptrace.c:151:6: warning: symbol 'do_syscall_trace_enter' was not declared. Should it be static?
> arch/riscv/kernel/ptrace.c:165:6: warning: symbol 'do_syscall_trace_exit' was not declared. Should it be static?
> 
> Fix by adding the missing prototypes to the appropriate header files.

For functions defined in C but used ony in assembly, you can also simply mark
them as '__visible'  (aka __attribute__((exrernally_visible)) ).
 
Best regards,
-- Luc