Re: [PATCH 5/5] x86: TLS cleanup

[Zachary Amsden]

On Wed, 2007-11-21 at 02:25 -0800, Roland McGrath wrote:
> This consolidates the four different places that implemented the same
> encoding magic for the GDT-slot 32-bit TLS support.  The old tls32.c is
> renamed and only slightly modified to be the shared implementation guts.

> -#define GET_BASE(desc) ( \
> -	(((desc)->a >> 16) & 0x0000ffff) | \
> -	(((desc)->b << 16) & 0x00ff0000) | \
> -	( (desc)->b        & 0xff000000)   )
> -
> -#define GET_LIMIT(desc) ( \
> -	((desc)->a & 0x0ffff) | \
> -	 ((desc)->b & 0xf0000) )

That was the other redundant definition, thanks.

I had a bit of trouble verifying correctness here because of much
brownian motion.  Any possibility of a pure movement / fixup separation
to make it easier on the eyes?

Zach

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