linux-kernel - [RFC PATCH v1 02/19] powerpc/ptrace: Move declaration of ptrace_get_reg() and ptrace_set

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Date:   Wed, 12 Aug 2020 12:05:53 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>, ldv@...linux.org,
        viro@...iv.linux.org.uk
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [RFC PATCH v1 02/19] powerpc/ptrace: Move declaration of
 ptrace_get_reg() and ptrace_set_reg()

ptrace_get_reg() and ptrace_set_reg() are only used internally by
ptrace.

Move them in arch/powerpc/kernel/ptrace/ptrace-decl.h

Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/include/asm/ptrace.h        | 6 ------
 arch/powerpc/kernel/ptrace/ptrace-decl.h | 3 +++
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index 155a197c0aa1..3c3cf537c3bf 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -171,12 +171,6 @@ static inline void regs_set_return_value(struct pt_regs *regs, unsigned long rc)
 		set_thread_flag(TIF_NOERROR); \
 	} while(0)
 
-struct task_struct;
-extern int ptrace_get_reg(struct task_struct *task, int regno,
-			  unsigned long *data);
-extern int ptrace_put_reg(struct task_struct *task, int regno,
-			  unsigned long data);
-
 #define current_pt_regs() \
 	((struct pt_regs *)((unsigned long)task_stack_page(current) + THREAD_SIZE) - 1)
 
diff --git a/arch/powerpc/kernel/ptrace/ptrace-decl.h b/arch/powerpc/kernel/ptrace/ptrace-decl.h
index 67447a6197eb..2ddc68412fa8 100644
--- a/arch/powerpc/kernel/ptrace/ptrace-decl.h
+++ b/arch/powerpc/kernel/ptrace/ptrace-decl.h
@@ -159,6 +159,9 @@ int tm_cgpr32_set(struct task_struct *target, const struct user_regset *regset,
 
 /* ptrace-view */
 
+int ptrace_get_reg(struct task_struct *task, int regno, unsigned long *data);
+int ptrace_put_reg(struct task_struct *task, int regno, unsigned long data);
+
 extern const struct user_regset_view user_ppc_native_view;
 
 /* ptrace-(no)adv */
-- 
2.25.0