[RFC PATCH 4/5] lib/raid6: Drop IA64 support

From: Ard Biesheuvel
Date: Wed Feb 15 2023 - 05:01:17 EST


Drop Itanium support from the RAID6 code, and along with it, the 16x and
32x unrolled versions, which were only used by IA64.

Signed-off-by: Ard Biesheuvel <ardb@xxxxxxxxxx>
---
include/linux/raid/pq.h | 2 --
lib/raid6/Makefile | 4 ++--
lib/raid6/algos.c | 4 ----
3 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/include/linux/raid/pq.h b/include/linux/raid/pq.h
index f29aaaf2eb21e9bd..f2536c99141aad77 100644
--- a/include/linux/raid/pq.h
+++ b/include/linux/raid/pq.h
@@ -84,8 +84,6 @@ extern const struct raid6_calls raid6_intx1;
extern const struct raid6_calls raid6_intx2;
extern const struct raid6_calls raid6_intx4;
extern const struct raid6_calls raid6_intx8;
-extern const struct raid6_calls raid6_intx16;
-extern const struct raid6_calls raid6_intx32;
extern const struct raid6_calls raid6_mmxx1;
extern const struct raid6_calls raid6_mmxx2;
extern const struct raid6_calls raid6_sse1x1;
diff --git a/lib/raid6/Makefile b/lib/raid6/Makefile
index 45e17619422b4ef4..065a31e8f71df898 100644
--- a/lib/raid6/Makefile
+++ b/lib/raid6/Makefile
@@ -2,7 +2,7 @@
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
+ int8.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 \
@@ -54,7 +54,7 @@ endif
quiet_cmd_unroll = UNROLL $@
cmd_unroll = $(AWK) -v N=$* -f $(srctree)/$(src)/unroll.awk < $< > $@

-targets += int1.c int2.c int4.c int8.c int16.c int32.c
+targets += int1.c int2.c int4.c int8.c
$(obj)/int%.c: $(src)/int.uc $(src)/unroll.awk FORCE
$(call if_changed,unroll)

diff --git a/lib/raid6/algos.c b/lib/raid6/algos.c
index a22a05c9af8a3a75..fd1e699fa5fc19ae 100644
--- a/lib/raid6/algos.c
+++ b/lib/raid6/algos.c
@@ -72,10 +72,6 @@ const struct raid6_calls * const raid6_algos[] = {
&raid6_neonx4,
&raid6_neonx2,
&raid6_neonx1,
-#endif
-#if defined(__ia64__)
- &raid6_intx32,
- &raid6_intx16,
#endif
&raid6_intx8,
&raid6_intx4,
--
2.39.1