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linux/include/asm-powerpc/system.h
Nick Piggin 74f0609526 powerpc: Optimise smp_wmb on 64-bit processors 
For 64-bit processors, lwsync is the recommended method of store/store
ordering on caching enabled memory.  For those subarchs which have
lwsync, use it rather than eieio for smp_wmb.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-06-30 22:30:25 +10:00

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