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powerpc/smp: Remove unused generic_cpu_enable() 

Nobody uses it, besides we should always use the normal __cpu_up
path anyways

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt 2011-02-11 12:46:41 +11:00
parent 4fcb8833af
commit b527d07114
2 changed files with 0 additions and 23 deletions
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1
arch/powerpc/include/asm/smp.h
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@ -43,7 +43,6 @@ DECLARE_PER_CPU(unsigned int, cpu_pvr);
#ifdef CONFIG_HOTPLUG_CPU
extern void fixup_irqs(const struct cpumask *map);
int generic_cpu_disable(void);
int generic_cpu_enable(unsigned int cpu);
void generic_cpu_die(unsigned int cpu);
void generic_mach_cpu_die(void);
#endif

22
arch/powerpc/kernel/smp.c
View File

@ -322,28 +322,6 @@ int generic_cpu_disable(void)
return 0;
}
int generic_cpu_enable(unsigned int cpu)
{
/* Do the normal bootup if we haven't
* already bootstrapped. */
if (system_state != SYSTEM_RUNNING)
return -ENOSYS;
/* get the target out of it's holding state */
per_cpu(cpu_state, cpu) = CPU_UP_PREPARE;
smp_wmb();
while (!cpu_online(cpu))
cpu_relax();
#ifdef CONFIG_PPC64
fixup_irqs(cpu_online_mask);
/* counter the irq disable in fixup_irqs */
local_irq_enable();
#endif
return 0;
}
void generic_cpu_die(unsigned int cpu)
{
int i;