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SubjectRe: [PATCH] WorkStruct: Implement generic UP cmpxchg() where an arch doesn't support it
On Wed, 6 Dec 2006, Matthew Wilcox wrote:

> To be honest, it'd be much easier if we only defined these operations on
> atomic_t's. We have all the infrastructure in place for them, and
> they're fairly well understood. If you need different sizes, I'm OK
> with an atomic_pointer_t, or whatever.

An pointer is probably one of the most important entities to use with
cmpxchg (aside from the ints and longs that we already support).

A pointer can be defined to point to any other type. So we would need
atomic_pointer_t(<type_pointed_to>)?
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