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

[Linus Torvalds]

On Fri, 8 Dec 2006, David Howells wrote:
> 
> In fact I think more things have LL/SC than have CMPXCHG.

But you cannot expose ll/sc to C, so that's a bogus argument.

If you do ll/sc, you need to program in assembly language.

		Linus
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