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Commit b527d071 authored by Benjamin Herrenschmidt's avatar Benjamin Herrenschmidt
Browse files

powerpc/smp: Remove unused generic_cpu_enable() 



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

Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 4fcb8833

arch/powerpc/include/asm/smp.h

+0 −1
Original line number Diff line number Diff line
@@ -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

arch/powerpc/kernel/smp.c

+0 −22
Original line number Diff line number Diff line
@@ -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;