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SubjectRe: [PATCH] WorkStruct: Implement generic UP cmpxchg() where an arch doesn't support it
On Fri, 8 Dec 2006, Russell King wrote:

> > Not having cmpxchg is even worse because it requires the introduction and
> > maintenance of large sets of arch specific operations. Much more complex.
> And which bit of "not available on many architectures" have you not grasped
> yet?

We discussed various forms of emulating that functionality on this thread.
Seems to work satisfactorily. You can discover the information you skipped
by going back to some earlier messages of this thread.

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