From b527d07114fdab83f39040c69b4b0a4b1b232c16 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Fri, 11 Feb 2011 12:46:41 +1100 Subject: [PATCH] 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 --- arch/powerpc/include/asm/smp.h | 1 - arch/powerpc/kernel/smp.c | 22 ---------------------- 2 files changed, 23 deletions(-) diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h index 1de0e97a394..a629b6fef88 100644 --- a/arch/powerpc/include/asm/smp.h +++ b/arch/powerpc/include/asm/smp.h @@ -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 diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 3c0fab5e1e1..19d0c257628 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -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; -- 2.39.2