Christoph Lameter wrote on Thursday, March 30, 2006 5:09 PM
> In general yes the caller should not be thinking about clear_bit having
> any memory ordering at all. However for IA64 arch specific code the bit
> operations must have a certain ordering semantic and it would be best that
> these are also consistent. clear_bit is not a lock operation and may
> f.e. be used for locking something.
OK, fine. Then please don't change smp_mb__after_clear_bit() for ia64.
i.e., leave it alone as noop.
- Ken
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