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Subject[PATCH] arch: powerpc: kernel: smp.c: Remove unused function
Date
Remove the function generic_mach_cpu_die() that is not used anywhere.

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
---
arch/powerpc/include/asm/smp.h | 1 -
arch/powerpc/kernel/smp.c | 14 --------------
2 files changed, 15 deletions(-)

diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h
index 5a6614a..d607df5 100644
--- a/arch/powerpc/include/asm/smp.h
+++ b/arch/powerpc/include/asm/smp.h
@@ -64,7 +64,6 @@ DECLARE_PER_CPU(unsigned int, cpu_pvr);
extern void migrate_irqs(void);
int generic_cpu_disable(void);
void generic_cpu_die(unsigned int cpu);
-void generic_mach_cpu_die(void);
void generic_set_cpu_dead(unsigned int cpu);
void generic_set_cpu_up(unsigned int cpu);
int generic_check_cpu_restart(unsigned int cpu);
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 71e186d..83d4f3f 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -434,20 +434,6 @@ void generic_cpu_die(unsigned int cpu)
printk(KERN_ERR "CPU%d didn't die...\n", cpu);
}

-void generic_mach_cpu_die(void)
-{
- unsigned int cpu;
-
- local_irq_disable();
- idle_task_exit();
- cpu = smp_processor_id();
- printk(KERN_DEBUG "CPU%d offline\n", cpu);
- __get_cpu_var(cpu_state) = CPU_DEAD;
- smp_wmb();
- while (__get_cpu_var(cpu_state) != CPU_UP_PREPARE)
- cpu_relax();
-}
-
void generic_set_cpu_dead(unsigned int cpu)
{
per_cpu(cpu_state, cpu) = CPU_DEAD;
--
1.7.10.4


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