lib/raid6: Add AVX2 optimized recovery functions
Optimize RAID6 recovery functions to take advantage of
the 256-bit YMM integer instructions introduced in AVX2.
The patch was tested and benchmarked before submission.
However hardware is not yet released so benchmark numbers
cannot be reported.
Acked-by: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Jim Kukunas <james.t.kukunas@linux.intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
diff --git a/include/linux/raid/pq.h b/include/linux/raid/pq.h
index 640c69c..3156347 100644
--- a/include/linux/raid/pq.h
+++ b/include/linux/raid/pq.h
@@ -109,6 +109,7 @@
extern const struct raid6_recov_calls raid6_recov_intx1;
extern const struct raid6_recov_calls raid6_recov_ssse3;
+extern const struct raid6_recov_calls raid6_recov_avx2;
/* Algorithm list */
extern const struct raid6_calls * const raid6_algos[];