linux-kernel - [PATCH v3 08/16] powerpc: declare set

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Message-Id: <918a4533548b1f2b5ffc16c05cac1c6b0a808142.1530807556.git.christophe.leroy@c-s.fr>
Date:   Thu,  5 Jul 2018 16:25:05 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@....fr>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v3 08/16] powerpc: declare set_breakpoint() static

set_breakpoint() is only used in process.c so make it static

Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
---
 arch/powerpc/include/asm/debug.h |  1 -
 arch/powerpc/kernel/process.c    | 14 +++++++-------
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/arch/powerpc/include/asm/debug.h b/arch/powerpc/include/asm/debug.h
index ce5da214ffe5..7756026b95ca 100644
--- a/arch/powerpc/include/asm/debug.h
+++ b/arch/powerpc/include/asm/debug.h
@@ -45,7 +45,6 @@ static inline int debugger_break_match(struct pt_regs *regs) { return 0; }
 static inline int debugger_fault_handler(struct pt_regs *regs) { return 0; }
 #endif
 
-void set_breakpoint(struct arch_hw_breakpoint *brk);
 void __set_breakpoint(struct arch_hw_breakpoint *brk);
 bool ppc_breakpoint_available(void);
 #ifdef CONFIG_PPC_ADV_DEBUG_REGS
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 9ef4aea9fffe..6061efb369e8 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -716,6 +716,13 @@ void switch_booke_debug_regs(struct debug_reg *new_debug)
 EXPORT_SYMBOL_GPL(switch_booke_debug_regs);
 #else	/* !CONFIG_PPC_ADV_DEBUG_REGS */
 #ifndef CONFIG_HAVE_HW_BREAKPOINT
+static void set_breakpoint(struct arch_hw_breakpoint *brk)
+{
+	preempt_disable();
+	__set_breakpoint(brk);
+	preempt_enable();
+}
+
 static void set_debug_reg_defaults(struct thread_struct *thread)
 {
 	thread->hw_brk.address = 0;
@@ -828,13 +835,6 @@ void __set_breakpoint(struct arch_hw_breakpoint *brk)
 		WARN_ON_ONCE(1);
 }
 
-void set_breakpoint(struct arch_hw_breakpoint *brk)
-{
-	preempt_disable();
-	__set_breakpoint(brk);
-	preempt_enable();
-}
-
 /* Check if we have DAWR or DABR hardware */
 bool ppc_breakpoint_available(void)
 {
-- 
2.13.3