Re: [patch] SMP alternatives

[H. Peter Anvin]

Mikulas Patocka wrote:
> Why should they waste their (already complex) decoding logic with that?
> Why can't an application instead set a bit somewhere if it's running on
> SMP and if it's threaded and branch to variants with and without lock
> prefix?

Why?  Because it would make the same code run faster on their CPU than 
on their competitor's.  That's the kind of things that make x86 vendors 
smile.

	-hpa
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