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riscv: signal: fix missing prototype warning

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Fix the warning:
arch/riscv/kernel/signal.c:316:27: warning: no previous prototype for function 'do_notify_resume' [-Wmissing-prototypes]
asmlinkage __visible void do_notify_resume(struct pt_regs *regs,

All other functions in the file are static & none of the existing
headers stood out as an obvious location. Create signal.h to hold the
declaration.

Fixes: e2c0cdfba7f6 ("RISC-V: User-facing API")
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220814141237.493457-4-mail@conchuod.ie
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Conor Dooley 2022-08-14 15:12:37 +01:00 committed by Palmer Dabbelt
parent 568035b01c
commit b5c3aca86d
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2 changed files with 13 additions and 0 deletions
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12
arch/riscv/include/asm/signal.h Normal file
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@ -0,0 +1,12 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __ASM_SIGNAL_H
#define __ASM_SIGNAL_H
#include <uapi/asm/signal.h>
#include <uapi/asm/ptrace.h>
asmlinkage __visible
void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags);
#endif

1
arch/riscv/kernel/signal.c
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@ -15,6 +15,7 @@
#include <asm/ucontext.h>
#include <asm/vdso.h>
#include <asm/signal.h>
#include <asm/signal32.h>
#include <asm/switch_to.h>
#include <asm/csr.h>