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authorGayatri Kammela <gayatri.kammela@intel.com>2016-08-12 18:03:19 -0700
committerShaohua Li <shli@fb.com>2016-09-21 09:09:44 -0700
commite0a491c1296874a1aca51cc68452f12a4d950029 (patch)
treed69949fe4db93fc1cc886fa359b8a7c58f4f3021 /include/linux/raid
parentd6385db94196b253ae5eb3678fa95cdf1f839fcc (diff)
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lib/raid6: Add AVX512 optimized gen_syndrome functions
Optimize RAID6 gen_syndrom functions to take advantage of the 512-bit ZMM integer instructions introduced in AVX512. AVX512 optimized gen_syndrom functions, which is simply based on avx2.c written by Yuanhan Liu and sse2.c written by hpa. The patch was tested and benchmarked before submission on a hardware that has AVX512 flags to support such instructions Cc: H. Peter Anvin <hpa@zytor.com> Cc: Jim Kukunas <james.t.kukunas@linux.intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Megha Dey <megha.dey@linux.intel.com> Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com> Reviewed-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Shaohua Li <shli@fb.com>
Diffstat (limited to 'include/linux/raid')
-rw-r--r--include/linux/raid/pq.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/raid/pq.h b/include/linux/raid/pq.h
index a0118d5929a9..0c529a55b52e 100644
--- a/include/linux/raid/pq.h
+++ b/include/linux/raid/pq.h
@@ -102,6 +102,9 @@ extern const struct raid6_calls raid6_altivec8;
extern const struct raid6_calls raid6_avx2x1;
extern const struct raid6_calls raid6_avx2x2;
extern const struct raid6_calls raid6_avx2x4;
+extern const struct raid6_calls raid6_avx512x1;
+extern const struct raid6_calls raid6_avx512x2;
+extern const struct raid6_calls raid6_avx512x4;
extern const struct raid6_calls raid6_tilegx8;
struct raid6_recov_calls {