| commit | 4b16bfbf8f8013fefb49592d030ff87651ab48cb | [log] [tgz] |
|---|---|---|
| author | Zoltan Menyhart <Zoltan.Menyhart@bull.net> | Fri Jan 13 17:25:23 2006 +0100 |
| committer | Tony Luck <tony.luck@intel.com> | Tue Jan 17 14:04:00 2006 -0800 |
| tree | ce9150f8ceac6150261f5bc69afdf9d2e95def19 | |
| parent | 8d08aed8d7714683b33666cc066e20f957dda01d [diff] |
[IA64] Fix bug in ia64 specific down() function Chen, Kenneth W wrote: > 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? Use ia64_fetchadd() instead of atomic_dec_return() Acked-by: Ken Chen <kenneth.w.chen@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>