Bug in ia64 specific down() function??

From: Chen, Kenneth W <kenneth.w.chen_at_intel.com>
Date: 2006-01-12 12:38:14
The memory order semantics for include/asm-ia64/semaphore.h:down()
doesn't look right.  It is using atomic_dec_return, which eventually
translate into ia64_fetch_and_add() that uses release semantics.
Shouldn't it use acquire semantics?

- Ken

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Received on Thu Jan 12 12:38:48 2006

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