where is __memory_barrier in kernel ?

[loody]

hi

2011/3/8 piyush moghe <pmkernel at gmail.com>:
> Yes what you are saying is also right, since in order to prevent the
> ordering all the pending memory operations should have completed
> hence as you mentioned processor stops and make sure all the memory
> operations are completed.
I am not sure whether all the memory operations are completed after
cpu stops running for a while.
I think there should be a more aggressive and precise instruction  to
handle this behavior, right?
appreciate your kind help,
miloody