* + raid6-use-named-initializers-for-struct-raid6_calls.patch added to mm-nonmm-unstable branch
@ 2026-05-18 21:13 Andrew Morton
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From: Andrew Morton @ 2026-05-18 21:13 UTC (permalink / raw)
To: mm-commits, hch, akpm
The patch titled
Subject: raid6: use named initializers for struct raid6_calls
has been added to the -mm mm-nonmm-unstable branch. Its filename is
raid6-use-named-initializers-for-struct-raid6_calls.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/raid6-use-named-initializers-for-struct-raid6_calls.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Christoph Hellwig <hch@lst.de>
Subject: raid6: use named initializers for struct raid6_calls
Date: Mon, 18 May 2026 07:17:49 +0200
Link: https://lore.kernel.org/20260518051804.462141-7-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Ard Biesheuvel <ardb@kernel.org> # kunit only on arm64
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Alexandre Ghiti <alex@ghiti.fr>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "Borislav Petkov (AMD)" <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chris Mason <clm@fb.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: David Sterba <dsterba@suse.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Li Nan <linan122@huawei.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Song Liu <song@kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: WANG Xuerui <kernel@xen0n.name>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
lib/raid/raid6/arm/neon.c | 9 ++---
lib/raid/raid6/int.uc | 8 +---
lib/raid/raid6/loongarch/loongarch_simd.c | 18 ++++------
lib/raid/raid6/powerpc/altivec.uc | 8 +---
lib/raid/raid6/powerpc/vpermxor.uc | 8 +---
lib/raid/raid6/riscv/rvv.h | 9 ++---
lib/raid/raid6/s390/s390vx.uc | 10 +++---
lib/raid/raid6/x86/avx2.c | 33 ++++++++++----------
lib/raid/raid6/x86/avx512.c | 33 ++++++++++----------
lib/raid/raid6/x86/mmx.c | 16 +++------
lib/raid/raid6/x86/sse1.c | 18 ++++------
lib/raid/raid6/x86/sse2.c | 30 +++++++++---------
12 files changed, 95 insertions(+), 105 deletions(-)
--- a/lib/raid/raid6/arm/neon.c~raid6-use-named-initializers-for-struct-raid6_calls
+++ a/lib/raid/raid6/arm/neon.c
@@ -40,11 +40,10 @@
start, stop, (unsigned long)bytes, ptrs);\
} \
struct raid6_calls const raid6_neonx ## _n = { \
- raid6_neon ## _n ## _gen_syndrome, \
- raid6_neon ## _n ## _xor_syndrome, \
- raid6_have_neon, \
- "neonx" #_n, \
- 0 \
+ .gen_syndrome = raid6_neon ## _n ## _gen_syndrome, \
+ .xor_syndrome = raid6_neon ## _n ## _xor_syndrome, \
+ .valid = raid6_have_neon, \
+ .name = "neonx" #_n, \
}
static int raid6_have_neon(void)
--- a/lib/raid/raid6/int.uc~raid6-use-named-initializers-for-struct-raid6_calls
+++ a/lib/raid/raid6/int.uc
@@ -139,9 +139,7 @@ static void raid6_int$#_xor_syndrome(int
}
const struct raid6_calls raid6_intx$# = {
- raid6_int$#_gen_syndrome,
- raid6_int$#_xor_syndrome,
- NULL, /* always valid */
- "int" NSTRING "x$#",
- 0
+ .gen_syndrome = raid6_int$#_gen_syndrome,
+ .xor_syndrome = raid6_int$#_xor_syndrome,
+ .name = "int" NSTRING "x$#",
};
--- a/lib/raid/raid6/loongarch/loongarch_simd.c~raid6-use-named-initializers-for-struct-raid6_calls
+++ a/lib/raid/raid6/loongarch/loongarch_simd.c
@@ -244,11 +244,10 @@ static void raid6_lsx_xor_syndrome(int d
}
const struct raid6_calls raid6_lsx = {
- raid6_lsx_gen_syndrome,
- raid6_lsx_xor_syndrome,
- raid6_has_lsx,
- "lsx",
- .priority = 0 /* see the comment near the top of the file for reason */
+ .gen_syndrome = raid6_lsx_gen_syndrome,
+ .xor_syndrome = raid6_lsx_xor_syndrome,
+ .valid = raid6_has_lsx,
+ .name = "lsx",
};
#undef NSIZE
@@ -413,11 +412,10 @@ static void raid6_lasx_xor_syndrome(int
}
const struct raid6_calls raid6_lasx = {
- raid6_lasx_gen_syndrome,
- raid6_lasx_xor_syndrome,
- raid6_has_lasx,
- "lasx",
- .priority = 0 /* see the comment near the top of the file for reason */
+ .gen_syndrome = raid6_lasx_gen_syndrome,
+ .xor_syndrome = raid6_lasx_xor_syndrome,
+ .valid = raid6_has_lasx,
+ .name = "lasx",
};
#undef NSIZE
#endif /* CONFIG_CPU_HAS_LASX */
--- a/lib/raid/raid6/powerpc/altivec.uc~raid6-use-named-initializers-for-struct-raid6_calls
+++ a/lib/raid/raid6/powerpc/altivec.uc
@@ -114,9 +114,7 @@ int raid6_have_altivec(void)
#endif
const struct raid6_calls raid6_altivec$# = {
- raid6_altivec$#_gen_syndrome,
- NULL, /* XOR not yet implemented */
- raid6_have_altivec,
- "altivecx$#",
- 0
+ .gen_syndrome = raid6_altivec$#_gen_syndrome,
+ .valid = raid6_have_altivec,
+ .name = "altivecx$#",
};
--- a/lib/raid/raid6/powerpc/vpermxor.uc~raid6-use-named-initializers-for-struct-raid6_calls
+++ a/lib/raid/raid6/powerpc/vpermxor.uc
@@ -87,9 +87,7 @@ int raid6_have_altivec_vpermxor(void)
#endif
const struct raid6_calls raid6_vpermxor$# = {
- raid6_vpermxor$#_gen_syndrome,
- NULL,
- raid6_have_altivec_vpermxor,
- "vpermxor$#",
- 0
+ .gen_syndrome = raid6_vpermxor$#_gen_syndrome,
+ .valid = raid6_have_altivec_vpermxor,
+ .name = "vpermxor$#",
};
--- a/lib/raid/raid6/riscv/rvv.h~raid6-use-named-initializers-for-struct-raid6_calls
+++ a/lib/raid/raid6/riscv/rvv.h
@@ -39,9 +39,8 @@ static int rvv_has_vector(void)
kernel_vector_end(); \
} \
struct raid6_calls const raid6_rvvx ## _n = { \
- raid6_rvv ## _n ## _gen_syndrome, \
- raid6_rvv ## _n ## _xor_syndrome, \
- rvv_has_vector, \
- "rvvx" #_n, \
- 0 \
+ .gen_syndrome = raid6_rvv ## _n ## _gen_syndrome, \
+ .xor_syndrome = raid6_rvv ## _n ## _xor_syndrome, \
+ .valid = rvv_has_vector, \
+ .name = "rvvx" #_n, \
}
--- a/lib/raid/raid6/s390/s390vx.uc~raid6-use-named-initializers-for-struct-raid6_calls
+++ a/lib/raid/raid6/s390/s390vx.uc
@@ -127,9 +127,9 @@ static int raid6_s390vx$#_valid(void)
}
const struct raid6_calls raid6_s390vx$# = {
- raid6_s390vx$#_gen_syndrome,
- raid6_s390vx$#_xor_syndrome,
- raid6_s390vx$#_valid,
- "vx128x$#",
- 1
+ .gen_syndrome = raid6_s390vx$#_gen_syndrome,
+ .xor_syndrome = raid6_s390vx$#_xor_syndrome,
+ .valid = raid6_s390vx$#_valid,
+ .name = "vx128x$#",
+ .priority = 1,
};
--- a/lib/raid/raid6/x86/avx2.c~raid6-use-named-initializers-for-struct-raid6_calls
+++ a/lib/raid/raid6/x86/avx2.c
@@ -128,11 +128,12 @@ static void raid6_avx21_xor_syndrome(int
}
const struct raid6_calls raid6_avx2x1 = {
- raid6_avx21_gen_syndrome,
- raid6_avx21_xor_syndrome,
- raid6_have_avx2,
- "avx2x1",
- .priority = 2 /* Prefer AVX2 over priority 1 (SSE2 and others) */
+ .gen_syndrome = raid6_avx21_gen_syndrome,
+ .xor_syndrome = raid6_avx21_xor_syndrome,
+ .valid = raid6_have_avx2,
+ .name = "avx2x1",
+ /* Prefer AVX2 over priority 1 (SSE2 and others) */
+ .priority = 2,
};
/*
@@ -258,11 +259,12 @@ static void raid6_avx22_xor_syndrome(int
}
const struct raid6_calls raid6_avx2x2 = {
- raid6_avx22_gen_syndrome,
- raid6_avx22_xor_syndrome,
- raid6_have_avx2,
- "avx2x2",
- .priority = 2 /* Prefer AVX2 over priority 1 (SSE2 and others) */
+ .gen_syndrome = raid6_avx22_gen_syndrome,
+ .xor_syndrome = raid6_avx22_xor_syndrome,
+ .valid = raid6_have_avx2,
+ .name = "avx2x2",
+ /* Prefer AVX2 over priority 1 (SSE2 and others) */
+ .priority = 2,
};
#ifdef CONFIG_X86_64
@@ -461,10 +463,11 @@ static void raid6_avx24_xor_syndrome(int
}
const struct raid6_calls raid6_avx2x4 = {
- raid6_avx24_gen_syndrome,
- raid6_avx24_xor_syndrome,
- raid6_have_avx2,
- "avx2x4",
- .priority = 2 /* Prefer AVX2 over priority 1 (SSE2 and others) */
+ .gen_syndrome = raid6_avx24_gen_syndrome,
+ .xor_syndrome = raid6_avx24_xor_syndrome,
+ .valid = raid6_have_avx2,
+ .name = "avx2x4",
+ /* Prefer AVX2 over priority 1 (SSE2 and others) */
+ .priority = 2,
};
#endif /* CONFIG_X86_64 */
--- a/lib/raid/raid6/x86/avx512.c~raid6-use-named-initializers-for-struct-raid6_calls
+++ a/lib/raid/raid6/x86/avx512.c
@@ -156,11 +156,12 @@ static void raid6_avx5121_xor_syndrome(i
}
const struct raid6_calls raid6_avx512x1 = {
- raid6_avx5121_gen_syndrome,
- raid6_avx5121_xor_syndrome,
- raid6_have_avx512,
- "avx512x1",
- .priority = 2 /* Prefer AVX512 over priority 1 (SSE2 and others) */
+ .gen_syndrome = raid6_avx5121_gen_syndrome,
+ .xor_syndrome = raid6_avx5121_xor_syndrome,
+ .valid = raid6_have_avx512,
+ .name = "avx512x1",
+ /* Prefer AVX512 over priority 1 (SSE2 and others) */
+ .priority = 2,
};
/*
@@ -313,11 +314,12 @@ static void raid6_avx5122_xor_syndrome(i
}
const struct raid6_calls raid6_avx512x2 = {
- raid6_avx5122_gen_syndrome,
- raid6_avx5122_xor_syndrome,
- raid6_have_avx512,
- "avx512x2",
- .priority = 2 /* Prefer AVX512 over priority 1 (SSE2 and others) */
+ .gen_syndrome = raid6_avx5122_gen_syndrome,
+ .xor_syndrome = raid6_avx5122_xor_syndrome,
+ .valid = raid6_have_avx512,
+ .name = "avx512x2",
+ /* Prefer AVX512 over priority 1 (SSE2 and others) */
+ .priority = 2,
};
#ifdef CONFIG_X86_64
@@ -551,10 +553,11 @@ static void raid6_avx5124_xor_syndrome(i
kernel_fpu_end();
}
const struct raid6_calls raid6_avx512x4 = {
- raid6_avx5124_gen_syndrome,
- raid6_avx5124_xor_syndrome,
- raid6_have_avx512,
- "avx512x4",
- .priority = 2 /* Prefer AVX512 over priority 1 (SSE2 and others) */
+ .gen_syndrome = raid6_avx5124_gen_syndrome,
+ .xor_syndrome = raid6_avx5124_xor_syndrome,
+ .valid = raid6_have_avx512,
+ .name = "avx512x4",
+ /* Prefer AVX512 over priority 1 (SSE2 and others) */
+ .priority = 2,
};
#endif
--- a/lib/raid/raid6/x86/mmx.c~raid6-use-named-initializers-for-struct-raid6_calls
+++ a/lib/raid/raid6/x86/mmx.c
@@ -68,11 +68,9 @@ static void raid6_mmx1_gen_syndrome(int
}
const struct raid6_calls raid6_mmxx1 = {
- raid6_mmx1_gen_syndrome,
- NULL, /* XOR not yet implemented */
- raid6_have_mmx,
- "mmxx1",
- 0
+ .gen_syndrome = raid6_mmx1_gen_syndrome,
+ .valid = raid6_have_mmx,
+ .name = "mmxx1",
};
/*
@@ -127,9 +125,7 @@ static void raid6_mmx2_gen_syndrome(int
}
const struct raid6_calls raid6_mmxx2 = {
- raid6_mmx2_gen_syndrome,
- NULL, /* XOR not yet implemented */
- raid6_have_mmx,
- "mmxx2",
- 0
+ .gen_syndrome = raid6_mmx2_gen_syndrome,
+ .valid = raid6_have_mmx,
+ .name = "mmxx2",
};
--- a/lib/raid/raid6/x86/sse1.c~raid6-use-named-initializers-for-struct-raid6_calls
+++ a/lib/raid/raid6/x86/sse1.c
@@ -84,11 +84,10 @@ static void raid6_sse11_gen_syndrome(int
}
const struct raid6_calls raid6_sse1x1 = {
- raid6_sse11_gen_syndrome,
- NULL, /* XOR not yet implemented */
- raid6_have_sse1_or_mmxext,
- "sse1x1",
- 1 /* Has cache hints */
+ .gen_syndrome = raid6_sse11_gen_syndrome,
+ .valid = raid6_have_sse1_or_mmxext,
+ .name = "sse1x1",
+ .priority = 1, /* Has cache hints */
};
/*
@@ -147,9 +146,8 @@ static void raid6_sse12_gen_syndrome(int
}
const struct raid6_calls raid6_sse1x2 = {
- raid6_sse12_gen_syndrome,
- NULL, /* XOR not yet implemented */
- raid6_have_sse1_or_mmxext,
- "sse1x2",
- 1 /* Has cache hints */
+ .gen_syndrome = raid6_sse12_gen_syndrome,
+ .valid = raid6_have_sse1_or_mmxext,
+ .name = "sse1x2",
+ .priority = 1, /* Has cache hints */
};
--- a/lib/raid/raid6/x86/sse2.c~raid6-use-named-initializers-for-struct-raid6_calls
+++ a/lib/raid/raid6/x86/sse2.c
@@ -133,11 +133,11 @@ static void raid6_sse21_xor_syndrome(int
}
const struct raid6_calls raid6_sse2x1 = {
- raid6_sse21_gen_syndrome,
- raid6_sse21_xor_syndrome,
- raid6_have_sse2,
- "sse2x1",
- 1 /* Has cache hints */
+ .gen_syndrome = raid6_sse21_gen_syndrome,
+ .xor_syndrome = raid6_sse21_xor_syndrome,
+ .valid = raid6_have_sse2,
+ .name = "sse2x1",
+ .priority = 1, /* Has cache hints */
};
/*
@@ -263,11 +263,11 @@ static void raid6_sse22_xor_syndrome(int
}
const struct raid6_calls raid6_sse2x2 = {
- raid6_sse22_gen_syndrome,
- raid6_sse22_xor_syndrome,
- raid6_have_sse2,
- "sse2x2",
- 1 /* Has cache hints */
+ .gen_syndrome = raid6_sse22_gen_syndrome,
+ .xor_syndrome = raid6_sse22_xor_syndrome,
+ .valid = raid6_have_sse2,
+ .name = "sse2x2",
+ .priority = 1, /* Has cache hints */
};
#ifdef CONFIG_X86_64
@@ -470,11 +470,11 @@ static void raid6_sse24_xor_syndrome(int
const struct raid6_calls raid6_sse2x4 = {
- raid6_sse24_gen_syndrome,
- raid6_sse24_xor_syndrome,
- raid6_have_sse2,
- "sse2x4",
- 1 /* Has cache hints */
+ .gen_syndrome = raid6_sse24_gen_syndrome,
+ .xor_syndrome = raid6_sse24_xor_syndrome,
+ .valid = raid6_have_sse2,
+ .name = "sse2x4",
+ .priority = 1, /* Has cache hints */
};
#endif /* CONFIG_X86_64 */
_
Patches currently in -mm which might be from hch@lst.de are
raid6-turn-the-userspace-test-harness-into-a-kunit-test.patch
raid6-remove-__kernel__-ifdefs.patch
raid6-move-to-lib-raid.patch
raid6-remove-unused-defines-in-pqh.patch
raid6-remove-raid6_get_zero_page.patch
raid6-use-named-initializers-for-struct-raid6_calls.patch
raid6-improve-the-public-interface.patch
raid6-warn-when-using-less-than-four-devices.patch
raid6-hide-internals.patch
raid6-rework-registration-of-optimized-algorithms.patch
raid6-use-static_call-for-gen_syndrom-and-xor_syndrom.patch
raid6-use-static_call-for-raid6_recov_2data-and-raid6_recov_datap.patch
raid6-update-top-of-file-comments.patch
raid6_kunit-use-kunit_case_param.patch
raid6_kunit-dynamically-allocate-data-buffers-using-vmalloc.patch
raid6_kunit-cleanup-dataptr-handling.patch
raid6_kunit-randomize-parameters-and-increase-limits.patch
raid6_kunit-randomize-buffer-alignment.patch
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2026-05-18 21:13 + raid6-use-named-initializers-for-struct-raid6_calls.patch added to mm-nonmm-unstable branch Andrew Morton
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