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SubjectRe: [PATCH 0/24] make atomic_read() behave consistently across all architectures
On Wed, 15 Aug 2007, Stefan Richter wrote:

> LDD3 says on page 125: "The following operations are defined for the
> type [atomic_t] and are guaranteed to be atomic with respect to all
> processors of an SMP computer."
> Doesn't "atomic WRT all processors" require volatility?

Atomic operations only require exclusive access to the cacheline while the
value is modified.

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