Re: [PATCH] x86: Mark the thermal init functions __init

[Hidetoshi Seto]

Yong Wang wrote:
> Mark the thermal init functions __init so that the init memory can be freed.
> 
> Signed-off-by: Yong Wang <yong.y.wang@xxxxxxxxx>
> ---
>  arch/x86/kernel/cpu/mcheck/therm_throt.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c
> index 7f3cf36..8a73d5c 100644
> --- a/arch/x86/kernel/cpu/mcheck/therm_throt.c
> +++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c
> @@ -256,7 +256,7 @@ asmlinkage void smp_thermal_interrupt(struct pt_regs *regs)
>  	ack_APIC_irq();
>  }
>  
> -void mcheck_intel_therm_init(void)
> +void __init mcheck_intel_therm_init(void)
>  {
>  	/*
>  	 * This function is only called on boot CPU. Save the init thermal

It's OK because it is called only on BP.

> @@ -268,7 +268,7 @@ void mcheck_intel_therm_init(void)
>  		lvtthmr_init = apic_read(APIC_LVTTHMR);
>  }
>  
> -void intel_init_thermal(struct cpuinfo_x86 *c)
> +void __init intel_init_thermal(struct cpuinfo_x86 *c)
>  {
>  	unsigned int cpu = smp_processor_id();
>  	int tm2 = 0;

But I think this could be called on hot-plugged AP.
Should be __cpuinit ?

void __cpuinit mcheck_cpu_init(struct cpuinfo_x86 *c)
 ->  static void __mcheck_cpu_init_vendor(struct cpuinfo_x86 *c)
  ->  void mce_intel_feature_init(struct cpuinfo_x86 *c)
   ->  void intel_init_thermal(struct cpuinfo_x86 *c)

Thanks,
H.Seto


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