Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[sfrench/cifs-2.6.git] / arch / arc / mm / cache.c

diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c
index d408fa21a07c9937a0e2956a6e12a7895ffef684..928562967f3cd02fee4a5de34e687d442d64a4e0 100644 (file)
--- a/arch/arc/mm/cache.c
+++ b/arch/arc/mm/cache.c
@@ -633,6 +633,9 @@ noinline static void slc_entire_op(const int op)
 
        write_aux_reg(ARC_REG_SLC_INVALIDATE, 1);
 
+       /* Make sure "busy" bit reports correct stataus, see STAR 9001165532 */
+       read_aux_reg(r);
+
        /* Important to wait for flush to complete */
        while (read_aux_reg(r) & SLC_CTRL_BUSY);
 }