RE: [PATCH 9/24] make atomic_read() behave consistently on ia64

[Luck, Tony]

> That's distressing.  I'm about to resubmit with a volatile cast in 
> atomic_set as well, since people expect that behavior and I've been 
> shown a legitimate case where it could matter.  Does the assembly look 
> right with that cast in atomic_set() as well?

No.  With the casts to volatile in atomic_set and atomic64_set I
still see places where ld8 is changed to ld4 + sign-extend.

-Tony
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