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csky: Fixup -Wmissing-prototypes warning
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Cleanup the warnings:

arch/csky/kernel/ptrace.c:320:16: error: no previous prototype for 'syscall_trace_enter' [-Werror=missing-prototypes]
arch/csky/kernel/ptrace.c:336:17: error: no previous prototype for 'syscall_trace_exit' [-Werror=missing-prototypes]
arch/csky/kernel/setup.c:116:34: error: no previous prototype for 'csky_start' [-Werror=missing-prototypes]
arch/csky/kernel/signal.c:255:17: error: no previous prototype for 'do_notify_resume' [-Werror=missing-prototypes]
arch/csky/kernel/traps.c:150:15: error: no previous prototype for 'do_trap_unknown' [-Werror=missing-prototypes]
arch/csky/kernel/traps.c:152:15: error: no previous prototype for 'do_trap_zdiv' [-Werror=missing-prototypes]
arch/csky/kernel/traps.c:154:15: error: no previous prototype for 'do_trap_buserr' [-Werror=missing-prototypes]
arch/csky/kernel/traps.c:157:17: error: no previous prototype for 'do_trap_misaligned' [-Werror=missing-prototypes]
arch/csky/kernel/traps.c:168:17: error: no previous prototype for 'do_trap_bkpt' [-Werror=missing-prototypes]
arch/csky/kernel/traps.c:187:17: error: no previous prototype for 'do_trap_illinsn' [-Werror=missing-prototypes]
arch/csky/kernel/traps.c:210:17: error: no previous prototype for 'do_trap_fpe' [-Werror=missing-prototypes]
arch/csky/kernel/traps.c:220:17: error: no previous prototype for 'do_trap_priv' [-Werror=missing-prototypes]
arch/csky/kernel/traps.c:230:17: error: no previous prototype for 'trap_c' [-Werror=missing-prototypes]
arch/csky/kernel/traps.c:57:13: error: no previous prototype for 'trap_init' [-Werror=missing-prototypes]
arch/csky/kernel/vdso/vgettimeofday.c:12:5: error: no previous prototype for '__vdso_clock_gettime64' [-Werror=missing-prototypes]
arch/csky/kernel/vdso/vgettimeofday.c:18:5: error: no previous prototype for '__vdso_gettimeofday' [-Werror=missing-prototypes]
arch/csky/kernel/vdso/vgettimeofday.c:24:5: error: no previous prototype for '__vdso_clock_getres' [-Werror=missing-prototypes]
arch/csky/kernel/vdso/vgettimeofday.c:6:5: error: no previous prototype for '__vdso_clock_gettime' [-Werror=missing-prototypes]
arch/csky/mm/fault.c:187:17: error: no previous prototype for 'do_page_fault' [-Werror=missing-prototypes]

Link: https://lore.kernel.org/lkml/20230810141947.1236730-17-arnd@kernel.org/
Reported-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
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Guo Ren committed Aug 11, 2023
1 parent c1884e1 commit c8171a8
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Showing 4 changed files with 30 additions and 0 deletions.
2 changes: 2 additions & 0 deletions arch/csky/include/asm/ptrace.h
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Original file line number Diff line number Diff line change
Expand Up @@ -96,5 +96,7 @@ static inline unsigned long regs_get_register(struct pt_regs *regs,
return *(unsigned long *)((unsigned long)regs + offset);
}

asmlinkage int syscall_trace_enter(struct pt_regs *regs);
asmlinkage void syscall_trace_exit(struct pt_regs *regs);
#endif /* __ASSEMBLY__ */
#endif /* __ASM_CSKY_PTRACE_H */
2 changes: 2 additions & 0 deletions arch/csky/include/asm/sections.h
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Expand Up @@ -7,4 +7,6 @@

extern char _start[];

asmlinkage void csky_start(unsigned int unused, void *dtb_start);

#endif /* __ASM_SECTIONS_H */
15 changes: 15 additions & 0 deletions arch/csky/include/asm/traps.h
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Original file line number Diff line number Diff line change
Expand Up @@ -40,4 +40,19 @@ do { \

void csky_alignment(struct pt_regs *regs);

asmlinkage void do_trap_unknown(struct pt_regs *regs);
asmlinkage void do_trap_zdiv(struct pt_regs *regs);
asmlinkage void do_trap_buserr(struct pt_regs *regs);
asmlinkage void do_trap_misaligned(struct pt_regs *regs);
asmlinkage void do_trap_bkpt(struct pt_regs *regs);
asmlinkage void do_trap_illinsn(struct pt_regs *regs);
asmlinkage void do_trap_fpe(struct pt_regs *regs);
asmlinkage void do_trap_priv(struct pt_regs *regs);
asmlinkage void trap_c(struct pt_regs *regs);

asmlinkage void do_notify_resume(struct pt_regs *regs,
unsigned long thread_info_flags);

void trap_init(void);

#endif /* __ASM_CSKY_TRAPS_H */
11 changes: 11 additions & 0 deletions arch/csky/kernel/vdso/vgettimeofday.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3,24 +3,35 @@
#include <linux/time.h>
#include <linux/types.h>

extern
int __vdso_clock_gettime(clockid_t clock,
struct old_timespec32 *ts);
int __vdso_clock_gettime(clockid_t clock,
struct old_timespec32 *ts)
{
return __cvdso_clock_gettime32(clock, ts);
}

int __vdso_clock_gettime64(clockid_t clock,
struct __kernel_timespec *ts);
int __vdso_clock_gettime64(clockid_t clock,
struct __kernel_timespec *ts)
{
return __cvdso_clock_gettime(clock, ts);
}

extern
int __vdso_gettimeofday(struct __kernel_old_timeval *tv,
struct timezone *tz);
int __vdso_gettimeofday(struct __kernel_old_timeval *tv,
struct timezone *tz)
{
return __cvdso_gettimeofday(tv, tz);
}

extern
int __vdso_clock_getres(clockid_t clock_id,
struct old_timespec32 *res);
int __vdso_clock_getres(clockid_t clock_id,
struct old_timespec32 *res)
{
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