Dec. 9, 2011
7:50 a.m.
Hi : memory barriers can not make order on other cpus, only the current cpu's order will be promised.
Date: Fri, 9 Dec 2011 12:54:40 +0530 Subject: Memory barrier From: trisha1march@gmail.com To: Kernelnewbies@kernelnewbies.org
Hi All,
I need small clarification on memory barrier. #define smp_mb() mb() #define smp_rmb() rmb() #define smp_wmb() wmb() In case of SMP: is smp_mb() or smp_rmb() make order on current CPU or all cpu's
Thanks
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