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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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      Last update: 2007-08-15 22:21    [W:0.019 / U:11.096 seconds]
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