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lib/raid6: Drop IA64 support

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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@kernel.org>
This commit is contained in:
Ard Biesheuvel 2023-01-13 18:08:32 +01:00
parent af1f459233
commit b089ea3cc3
4 changed files with 2 additions and 17 deletions
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2
include/linux/raid/pq.h
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@ -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;

4
lib/raid6/Makefile
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@ -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 \
@ -55,7 +55,7 @@ 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)

4
lib/raid6/algos.c
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@ -80,10 +80,6 @@ const struct raid6_calls * const raid6_algos[] = {
#ifdef CONFIG_CPU_HAS_LSX
&raid6_lsx,
#endif
#endif
#if defined(__ia64__)
&raid6_intx32,
&raid6_intx16,
#endif
&raid6_intx8,
&raid6_intx4,

9
lib/raid6/int.uc
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@ -41,13 +41,6 @@ typedef u32 unative_t;
/*
* IA-64 wants insane amounts of unrolling. On other architectures that
* is just a waste of space.
*/
#if ($# <= 8) || defined(__ia64__)
/*
* These sub-operations are separate inlines since they can sometimes be
* specially optimized using architecture-specific hacks.
@ -152,5 +145,3 @@ const struct raid6_calls raid6_intx$# = {
"int" NSTRING "x$#",
0
};
#endif