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Subject[PATCH 17/21] powerpc: Add missing prototype for sys_debug_setcontext
In commit 81e7009ea46c ("powerpc: merge ppc signal.c and ppc64 signal32.c")
the function sys_debug_setcontext was added without a prototype.

Fix compilation warning (treated as error in W=1):

CC arch/powerpc/kernel/signal_32.o
arch/powerpc/kernel/signal_32.c:1227:5: error: no previous prototype for ‘sys_debug_setcontext’ [-Werror=missing-prototypes]
int sys_debug_setcontext(struct ucontext __user *ctx,
cc1: all warnings being treated as errors

Signed-off-by: Mathieu Malaterre <>
arch/powerpc/include/asm/asm-prototypes.h | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/include/asm/asm-prototypes.h b/arch/powerpc/include/asm/asm-prototypes.h
index 0af1925e30db..7c23d9ead694 100644
--- a/arch/powerpc/include/asm/asm-prototypes.h
+++ b/arch/powerpc/include/asm/asm-prototypes.h
@@ -89,6 +89,10 @@ int sys_swapcontext(struct ucontext __user *old_ctx,
long sys_swapcontext(struct ucontext __user *old_ctx,
struct ucontext __user *new_ctx,
int ctx_size, int r6, int r7, int r8, struct pt_regs *regs);
+int sys_debug_setcontext(struct ucontext __user *ctx,
+ int ndbg, struct sig_dbg_op __user *dbg,
+ int r6, int r7, int r8,
+ struct pt_regs *regs);
long sys_switch_endian(void);
notrace unsigned int __check_irq_replay(void);
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