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Blackfin arch: Add ANOMALY_05000368 workaround
author
Michael Hennerich
<michael.hennerich@analog.com>
Wed, 16 Jul 2008 08:59:05 +0000
(16:59 +0800)
committer
Bryan Wu
<cooloney@kernel.org>
Wed, 16 Jul 2008 08:59:05 +0000
(16:59 +0800)
Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
arch/blackfin/kernel/entry.S
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diff --git
a/arch/blackfin/kernel/entry.S
b/arch/blackfin/kernel/entry.S
index
65f4e67
..
31bd9bf
100644
(file)
--- a/
arch/blackfin/kernel/entry.S
+++ b/
arch/blackfin/kernel/entry.S
@@
-64,6
+64,11
@@
ENDPROC(_ret_from_fork)
ENTRY(_sys_fork)
r0 = -EINVAL;
+#if (ANOMALY_05000371)
+ nop;
+ nop;
+ nop;
+#endif
rts;
ENDPROC(_sys_fork)