From 177a48fdc8a0156b32f96d9d0056361d88203983 Mon Sep 17 00:00:00 2001
From: Steven Miao <realmz6@gmail.com>
Date: Fri, 15 Nov 2013 15:41:35 +0800
Subject: [PATCH] smp: bf561: and smb_wmb()/smp_rmb() at ipi send/receive

add smb_wmb()/smp_rmb() to keep cache coherent

Signed-off-by: Steven Miao <realmz6@gmail.com>
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