RAID/s390: provide raid6 recovery optimization
The XC instruction can be used to improve the speed of the raid6
recovery. The loops now operate on blocks of 256 bytes.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/lib/raid6/algos.c b/lib/raid6/algos.c
index e1923b6..592ff49 100644
--- a/lib/raid6/algos.c
+++ b/lib/raid6/algos.c
@@ -98,6 +98,9 @@
#ifdef CONFIG_AS_SSSE3
&raid6_recov_ssse3,
#endif
+#ifdef CONFIG_S390
+ &raid6_recov_s390xc,
+#endif
&raid6_recov_intx1,
NULL
};