[POWERPC] Allow smp_call_function_single() to current cpu
This removes the requirement for callers to get_cpu() to check in simple cases. i386 and x86_64 already received a similar treatment. Signed-off-by: Avi Kivity <avi@qumranet.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
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1 changed files with 6 additions and 1 deletions
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@ -284,7 +284,7 @@ int smp_call_function_single(int cpu, void (*func) (void *info), void *info, int
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int wait)
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{
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cpumask_t map = CPU_MASK_NONE;
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int ret = -EBUSY;
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int ret = 0;
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if (!cpu_online(cpu))
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return -EINVAL;
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@ -292,6 +292,11 @@ int smp_call_function_single(int cpu, void (*func) (void *info), void *info, int
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cpu_set(cpu, map);
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if (cpu != get_cpu())
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ret = smp_call_function_map(func,info,nonatomic,wait,map);
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else {
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local_irq_disable();
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func(info);
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local_irq_enable();
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}
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put_cpu();
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return ret;
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}
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