Satyam Sharma wrote:
> [ BTW, why do we want the compiler to not optimize atomic_read()'s in
> the first place? Atomic ops guarantee atomicity, which has nothing
> to do with "volatility" -- users that expect "volatility" from
> atomic ops are the ones who must be fixed instead, IMHO. ]
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?
--
Stefan Richter
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http://arcgraph.de/sr/
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