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SubjectRe: [PATCH 2/7] x86, xsave: introduce xstate enable functions
On 07/22/2010 05:15 AM, Robert Richter wrote:
>
> Just wondering why you are using this_func()? Instead, you could
> simply do:
>
> next_func();
> next_func = xstate_enable;
>
> Do you see races when bringing up multiple cpus in parallel?
>

It allows the compiler to turn it into a tailcall if frame pointers are
disabled.

-hpa

--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.



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