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authorGayatri Kammela <gayatri.kammela@intel.com>2016-08-12 18:03:20 -0700
committerShaohua Li <shli@fb.com>2016-09-21 09:09:44 -0700
commit13c520b2993c9faae6770264d33ff1e1ea4c2ceb (patch)
treea366455fe39c82e9c522151fbcd8c73c1636d65e /lib/raid6/Makefile
parente0a491c1296874a1aca51cc68452f12a4d950029 (diff)
downloadlinux-13c520b2993c9faae6770264d33ff1e1ea4c2ceb.tar.gz
lib/raid6: Add AVX512 optimized recovery functions
Optimize RAID6 recovery functions to take advantage of
the 512-bit ZMM integer instructions introduced in AVX512.

AVX512 optimized recovery functions, which is simply based
on recov_avx2.c written by Jim Kukunas

This patch was tested and benchmarked before submission on
a hardware that has AVX512 flags to support such instructions

Cc: Jim Kukunas <james.t.kukunas@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.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 'lib/raid6/Makefile')
-rw-r--r--lib/raid6/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/raid6/Makefile b/lib/raid6/Makefile
index 8948268d47b4..cd05ee1fb809 100644
--- a/lib/raid6/Makefile
+++ b/lib/raid6/Makefile
@@ -3,7 +3,7 @@ obj-$(CONFIG_RAID6_PQ)	+= raid6_pq.o
 raid6_pq-y	+= algos.o recov.o tables.o int1.o int2.o int4.o \
 		   int8.o int16.o int32.o
 
-raid6_pq-$(CONFIG_X86) += recov_ssse3.o recov_avx2.o mmx.o sse1.o sse2.o avx2.o avx512.o
+raid6_pq-$(CONFIG_X86) += recov_ssse3.o recov_avx2.o mmx.o sse1.o sse2.o avx2.o avx512.o recov_avx512.o
 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