Re: [PATCH] WorkStruct: Implement generic UP cmpxchg() where an archdoesn't support it

[Linus Torvalds]

On Fri, 8 Dec 2006, Russell King wrote:
> 
> I utterly disagree.  I could code atomic_add() as:

Sure. And Alpha could do that too. If you write the C code a specific way, 
you can make it work. That does NOT mean that you can expose it widely as 
a portable interface - it's still just a very _nonportable_ interface that 
you use internally within one architecture to implement other interfaces.

			Linus
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