Re: [PATCH] long format VHPT

Darren Williams wrote:
>  
> -#define ia64_rid(ctx,addr)	(((ctx) << 3) | (addr >> 61))
> +#ifdef CONFIG_IA64_LONG_FORMAT_VHPT
> +#define redistribute_rid(rid)	(((rid) & ~0xffff) | (((rid) << 8) & 0xff00) | (((rid) >> 8) & 0xff))
> +#else
> +#define redistribute_rid(rid)	(rid)
> +#endif
> +#define ia64_rid(ctx,addr)	redistribute_rid(((ctx) << 3) | (addr >> 61))
>  

Hi Darren, Can you explain what this code is trying to do ?

	-Arun

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