[PATCH 0/9] powerpc: Add kernel support for POWER7 VSX.

[Kumar Gala]

On Jun 19, 2008, at 11:13 PM, Michael Neuling wrote:

> The following set of patches adds Vector Scalar Extentions (VSX)
> support for POWER7.  Includes context switch, ptrace and signals  
> support.
>
> Signed-off-by: Michael Neuling <mikey at neuling.org>
> ---
> Paulus: please consider for your 2.6.27 tree.
>
> Updated with comments from Kumar, Milton, Dave Woodhouse and Mark
> 'NKOTB' Nelson.
> - Changed thread_struct array definition to be cleaner
> - Updated CPU_FTRS_POSSIBLE
> - Updated Kconfig typo and dupilicate
> - Added comment to clarify ibm,vmx = 2 really means VSX.

One question I was wondering about is the "user space" view of VSX.   
Is the intent to have it seem like there is a unique register set for  
VSX separate from FP or AltiVec?

(This gets into what the ABI changes look like).

- k