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authorIngo Molnar <[email protected]>2017-04-03 16:36:32 +0200
committerIngo Molnar <[email protected]>2017-04-03 16:36:32 +0200
commit7f75540ff2ca84dbac26cf9deeb620cbf5646f5e (patch)
tree1eb54748074d3a91f3dd70fb5d4b23bf713f0bd5 /arch/arc/mm/cache.c
parent474aeffd88b87746a75583f356183d5c6caa4213 (diff)
parenta71c9a1c779f2499fb2afc0553e543f18aff6edf (diff)
Merge tag 'v4.11-rc5' into x86/mm, to refresh the branch
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'arch/arc/mm/cache.c')
-rw-r--r--arch/arc/mm/cache.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c
index d408fa21a07c..928562967f3c 100644
--- 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);
}