All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH 3/4] lib/raid6/test/Makefile: Add avx512 gen_syndrome and recovery functions
@ 2016-08-02 23:31 Gayatri Kammela
  0 siblings, 0 replies; only message in thread
From: Gayatri Kammela @ 2016-08-02 23:31 UTC (permalink / raw)
  To: linux-raid
  Cc: shli, linux-kernel, hpa, james.t.kukunas, fenghua.yu, megha.dey,
	ravi.v.shankar, Gayatri Kammela

Adding avx512 gen_syndrome and recovery functions so as to allow code to
be compiled and tested successfully in userspace.

This patch is tested in userspace and improvement in performace is
observed.

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>
---
 lib/raid6/test/Makefile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/raid6/test/Makefile b/lib/raid6/test/Makefile
index 29090f3..2c7b60e 100644
--- a/lib/raid6/test/Makefile
+++ b/lib/raid6/test/Makefile
@@ -32,10 +32,13 @@ ifeq ($(ARCH),arm64)
 endif
 
 ifeq ($(IS_X86),yes)
-        OBJS   += mmx.o sse1.o sse2.o avx2.o recov_ssse3.o recov_avx2.o
+        OBJS   += mmx.o sse1.o sse2.o avx2.o recov_ssse3.o recov_avx2.o avx512.o recov_avx512.o
         CFLAGS += $(shell echo "vpbroadcastb %xmm0, %ymm1" |	\
                     gcc -c -x assembler - >&/dev/null &&	\
                     rm ./-.o && echo -DCONFIG_AS_AVX2=1)
+	CFLAGS += $(shell echo "vpmovm2b %k1, %zmm5" |          \
+		    gcc -c -x assembler - >&/dev/null &&        \
+		    rm ./-.o && echo -DCONFIG_AS_AVX512=1)
 else ifeq ($(HAS_NEON),yes)
         OBJS   += neon.o neon1.o neon2.o neon4.o neon8.o
         CFLAGS += -DCONFIG_KERNEL_MODE_NEON=1
-- 
1.9.1


^ permalink raw reply related	[flat|nested] only message in thread

only message in thread, other threads:[~2016-08-02 23:31 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-08-02 23:31 [PATCH 3/4] lib/raid6/test/Makefile: Add avx512 gen_syndrome and recovery functions Gayatri Kammela

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.