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/Makefile b/lib/raid6/Makefile
index 667b960..29f503e 100644
--- a/lib/raid6/Makefile
+++ b/lib/raid6/Makefile
@@ -7,7 +7,7 @@
raid6_pq-$(CONFIG_ALTIVEC) += altivec1.o altivec2.o altivec4.o altivec8.o
raid6_pq-$(CONFIG_KERNEL_MODE_NEON) += neon.o neon1.o neon2.o neon4.o neon8.o
raid6_pq-$(CONFIG_TILEGX) += tilegx8.o
-raid6_pq-$(CONFIG_S390) += s390vx8.o
+raid6_pq-$(CONFIG_S390) += s390vx8.o recov_s390xc.o
hostprogs-y += mktables