Re: [PATCHv2 19/29] x86/topology: Disable CPU online/offline control for TDX guests

[Thomas Gleixner]

On Mon, Jan 24 2022 at 18:02, Kirill A. Shutemov wrote:
>  static bool intel_cc_platform_has(enum cc_attr attr)
>  {
> -	if (attr == CC_ATTR_GUEST_UNROLL_STRING_IO)
> +	switch (attr) {
> +	case CC_ATTR_GUEST_UNROLL_STRING_IO:
> +	case CC_ATTR_HOTPLUG_DISABLED:
>  		return true;
> +	default:
> +		return false;
> +	}
>  
>  	return false;

Sigh. If 'default:' returns false then this final return cannot be
reached, no?

Thanks,

        tglx