On Mon, 8 Nov 2010, Andi Kleen wrote:
quoted text
>  static inline u32 native_apic_msr_read(u32 reg)
>  {
> -	u32 low, high;
> +	u32 low;
>  
>  	if (reg == APIC_DFR)
>  		return -1;
>  
> -	rdmsr(APIC_BASE_MSR + (reg >> 4), low, high);
> -	return low;
> +	rdmsrl(APIC_BASE_MSR + (reg >> 4), low);
> +	return (u32)low;

What's the point of casting u32 to u32 ?

Thanks,

	tglx
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