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SubjectRE: Synchronizing Bit operations V2
Date
Christoph Lameter wrote on Thursday, March 30, 2006 7:09 PM
> I was referring to the LOCK prefix. Doesnt that insure the processor to
> go into a special state and make the bus go into a special state that
> implies a barrier?

Yes, that's why on i386 both smp_mb__before_clear_bit() and
smp_mb__after_clear_bit() are noop.
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