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powerpc: declare set_breakpoint() static

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

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy 2018-07-05 16:25:05 +00:00 committed by Michael Ellerman
parent e8cb7a55eb
commit b5ac51d747
2 changed files with 7 additions and 8 deletions
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1
arch/powerpc/include/asm/debug.h
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@ -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; } static inline int debugger_fault_handler(struct pt_regs *regs) { return 0; }
#endif #endif
void set_breakpoint(struct arch_hw_breakpoint *brk);
void __set_breakpoint(struct arch_hw_breakpoint *brk); void __set_breakpoint(struct arch_hw_breakpoint *brk);
bool ppc_breakpoint_available(void); bool ppc_breakpoint_available(void);
#ifdef CONFIG_PPC_ADV_DEBUG_REGS #ifdef CONFIG_PPC_ADV_DEBUG_REGS

14
arch/powerpc/kernel/process.c
View File

@ -717,6 +717,13 @@ void switch_booke_debug_regs(struct debug_reg *new_debug)
EXPORT_SYMBOL_GPL(switch_booke_debug_regs); EXPORT_SYMBOL_GPL(switch_booke_debug_regs);
#else /* !CONFIG_PPC_ADV_DEBUG_REGS */ #else /* !CONFIG_PPC_ADV_DEBUG_REGS */
#ifndef CONFIG_HAVE_HW_BREAKPOINT #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) static void set_debug_reg_defaults(struct thread_struct *thread)
{ {
thread->hw_brk.address = 0; thread->hw_brk.address = 0;
@ -829,13 +836,6 @@ void __set_breakpoint(struct arch_hw_breakpoint *brk)
WARN_ON_ONCE(1); 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 */ /* Check if we have DAWR or DABR hardware */
bool ppc_breakpoint_available(void) bool ppc_breakpoint_available(void)
{ {