101 files changed, 783 insertions, 1703 deletions

diff --git a/Documentation/core-api/kernel-api.rst b/Documentation/core-api/kernel-api.rst
index ae92a2571388..111f6a595e48 100644
--- a/Documentation/core-api/kernel-api.rst
+++ b/Documentation/core-api/kernel-api.rst
@@ -136,26 +136,28 @@ Arithmetic Overflow Checking
 CRC Functions
 -------------
 
-.. kernel-doc:: lib/crc4.c
+.. kernel-doc:: lib/crc/crc4.c
    :export:
 
-.. kernel-doc:: lib/crc7.c
+.. kernel-doc:: lib/crc/crc7.c
    :export:
 
-.. kernel-doc:: lib/crc8.c
+.. kernel-doc:: lib/crc/crc8.c
    :export:
 
-.. kernel-doc:: lib/crc16.c
+.. kernel-doc:: lib/crc/crc16.c
    :export:
 
-.. kernel-doc:: lib/crc32.c
-
-.. kernel-doc:: lib/crc-ccitt.c
+.. kernel-doc:: lib/crc/crc-ccitt.c
    :export:
 
-.. kernel-doc:: lib/crc-itu-t.c
+.. kernel-doc:: lib/crc/crc-itu-t.c
    :export:
 
+.. kernel-doc:: include/linux/crc32.h
+
+.. kernel-doc:: include/linux/crc64.h
+
 Base 2 log and power Functions
 ------------------------------
 
diff --git a/MAINTAINERS b/MAINTAINERS
index 84f0bc8a9667..5979e7001296 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6362,10 +6362,8 @@ L:	linux-crypto@vger.kernel.org
 S:	Maintained
 T:	git https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git crc-next
 F:	Documentation/staging/crc*
-F:	arch/*/lib/crc*
 F:	include/linux/crc*
-F:	lib/crc*
-F:	lib/tests/crc_kunit.c
+F:	lib/crc/
 F:	scripts/gen-crc-consts.py
 
 CREATIVE SB0540
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 6136d4dc211a..a6e80653abd1 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -8,8 +8,6 @@ config ARM
 	select ARCH_HAS_CACHE_LINE_SIZE if OF
 	select ARCH_HAS_CPU_CACHE_ALIASING
 	select ARCH_HAS_CPU_FINALIZE_INIT if MMU
-	select ARCH_HAS_CRC32 if KERNEL_MODE_NEON
-	select ARCH_HAS_CRC_T10DIF if KERNEL_MODE_NEON
 	select ARCH_HAS_CURRENT_STACK_POINTER
 	select ARCH_HAS_DEBUG_VIRTUAL if MMU
 	select ARCH_HAS_DMA_ALLOC if MMU
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 50c170b4619f..c79495e113c8 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -1298,7 +1298,6 @@ CONFIG_CRYPTO_DEV_MARVELL_CESA=m
 CONFIG_CRYPTO_DEV_QCE=m
 CONFIG_CRYPTO_DEV_QCOM_RNG=m
 CONFIG_CRYPTO_DEV_ROCKCHIP=m
-CONFIG_CRYPTO_DEV_STM32_CRC=m
 CONFIG_CRYPTO_DEV_STM32_HASH=m
 CONFIG_CRYPTO_DEV_STM32_CRYP=m
 CONFIG_CMA_SIZE_MBYTES=64
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index 91ea0e29107a..d1b9ea202364 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -47,9 +47,3 @@ ifeq ($(CONFIG_KERNEL_MODE_NEON),y)
 endif
 
 obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o
-
-obj-$(CONFIG_CRC32_ARCH) += crc32-arm.o
-crc32-arm-y := crc32.o crc32-core.o
-
-obj-$(CONFIG_CRC_T10DIF_ARCH) += crc-t10dif-arm.o
-crc-t10dif-arm-y := crc-t10dif.o crc-t10dif-core.o
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index e09d48eb68e0..7c456aa838b9 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -21,8 +21,6 @@ config ARM64
 	select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE
 	select ARCH_HAS_CACHE_LINE_SIZE
 	select ARCH_HAS_CC_PLATFORM
-	select ARCH_HAS_CRC32
-	select ARCH_HAS_CRC_T10DIF if KERNEL_MODE_NEON
 	select ARCH_HAS_CURRENT_STACK_POINTER
 	select ARCH_HAS_DEBUG_VIRTUAL
 	select ARCH_HAS_DEBUG_VM_PGTABLE
diff --git a/arch/arm64/lib/Makefile b/arch/arm64/lib/Makefile
index 027bfa9689c6..9b255d933247 100644
--- a/arch/arm64/lib/Makefile
+++ b/arch/arm64/lib/Makefile
@@ -16,12 +16,6 @@ endif
 
 lib-$(CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE) += uaccess_flushcache.o
 
-obj-$(CONFIG_CRC32_ARCH) += crc32-arm64.o
-crc32-arm64-y := crc32.o crc32-core.o
-
-obj-$(CONFIG_CRC_T10DIF_ARCH) += crc-t10dif-arm64.o
-crc-t10dif-arm64-y := crc-t10dif.o crc-t10dif-core.o
-
 obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o
 
 obj-$(CONFIG_ARM64_MTE) += mte.o
diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
index 1514789bea4a..fa3eb87f0999 100644
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@ -15,7 +15,6 @@ config LOONGARCH
 	select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE
 	select ARCH_HAS_ACPI_TABLE_UPGRADE	if ACPI
 	select ARCH_HAS_CPU_FINALIZE_INIT
-	select ARCH_HAS_CRC32
 	select ARCH_HAS_CURRENT_STACK_POINTER
 	select ARCH_HAS_DEBUG_VM_PGTABLE
 	select ARCH_HAS_FAST_MULTIPLIER
diff --git a/arch/loongarch/lib/Makefile b/arch/loongarch/lib/Makefile
index fae77809048b..ccea3bbd4353 100644
--- a/arch/loongarch/lib/Makefile
+++ b/arch/loongarch/lib/Makefile
@@ -11,5 +11,3 @@ obj-$(CONFIG_ARCH_SUPPORTS_INT128) += tishift.o
 obj-$(CONFIG_CPU_HAS_LSX) += xor_simd.o xor_simd_glue.o
 
 obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o
-
-obj-$(CONFIG_CRC32_ARCH) += crc32-loongarch.o
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 1e48184ecf1e..934eb961bd0d 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2024,7 +2024,6 @@ config CPU_MIPSR5
 config CPU_MIPSR6
 	bool
 	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
-	select ARCH_HAS_CRC32
 	select CPU_HAS_RIXI
 	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
 	select HAVE_ARCH_BITREVERSE
diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile
index 9d75845ef78e..8c40ffb09c42 100644
--- a/arch/mips/lib/Makefile
+++ b/arch/mips/lib/Makefile
@@ -16,7 +16,5 @@ lib-$(CONFIG_GENERIC_CSUM)	:= $(filter-out csum_partial.o, $(lib-y))
 obj-$(CONFIG_CPU_GENERIC_DUMP_TLB) += dump_tlb.o
 obj-$(CONFIG_CPU_R3000)		+= r3k_dump_tlb.o
 
-obj-$(CONFIG_CRC32_ARCH)	+= crc32-mips.o
-
 # libgcc-style stuff needed in the kernel
 obj-y += bswapsi.o bswapdi.o multi3.o
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index c3e0cc83f120..45b4fa7b9b02 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -127,8 +127,6 @@ config PPC
 	select ARCH_ENABLE_MEMORY_HOTPLUG
 	select ARCH_ENABLE_MEMORY_HOTREMOVE
 	select ARCH_HAS_COPY_MC			if PPC64
-	select ARCH_HAS_CRC32			if PPC64 && ALTIVEC
-	select ARCH_HAS_CRC_T10DIF		if PPC64 && ALTIVEC
 	select ARCH_HAS_CURRENT_STACK_POINTER
 	select ARCH_HAS_DEBUG_VIRTUAL
 	select ARCH_HAS_DEBUG_VM_PGTABLE
diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile
index 481f968e42c7..59de2e2232df 100644
--- a/arch/powerpc/lib/Makefile
+++ b/arch/powerpc/lib/Makefile
@@ -80,10 +80,4 @@ CFLAGS_xor_vmx.o += -mhard-float -maltivec $(call cc-option,-mabi=altivec)
 # Enable <altivec.h>
 CFLAGS_xor_vmx.o += -isystem $(shell $(CC) -print-file-name=include)
 
-obj-$(CONFIG_CRC32_ARCH) += crc32-powerpc.o
-crc32-powerpc-y := crc32.o crc32c-vpmsum_asm.o
-
-obj-$(CONFIG_CRC_T10DIF_ARCH) += crc-t10dif-powerpc.o
-crc-t10dif-powerpc-y := crc-t10dif.o crct10dif-vpmsum_asm.o
-
 obj-$(CONFIG_PPC64) += $(obj64-y)
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 2dd7bc0563a8..5352932badd8 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -24,9 +24,6 @@ config RISCV
 	select ARCH_ENABLE_SPLIT_PMD_PTLOCK if PGTABLE_LEVELS > 2
 	select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE
 	select ARCH_HAS_BINFMT_FLAT
-	select ARCH_HAS_CRC32 if RISCV_ISA_ZBC
-	select ARCH_HAS_CRC64 if 64BIT && RISCV_ISA_ZBC
-	select ARCH_HAS_CRC_T10DIF if RISCV_ISA_ZBC
 	select ARCH_HAS_CURRENT_STACK_POINTER
 	select ARCH_HAS_DEBUG_VIRTUAL if MMU
 	select ARCH_HAS_DEBUG_VM_PGTABLE
diff --git a/arch/riscv/lib/Makefile b/arch/riscv/lib/Makefile
index 0baec92d2f55..a4f4b48ed3a4 100644
--- a/arch/riscv/lib/Makefile
+++ b/arch/riscv/lib/Makefile
@@ -16,12 +16,6 @@ endif
 lib-$(CONFIG_MMU)	+= uaccess.o
 lib-$(CONFIG_64BIT)	+= tishift.o
 lib-$(CONFIG_RISCV_ISA_ZICBOZ)	+= clear_page.o
-obj-$(CONFIG_CRC32_ARCH)	+= crc32-riscv.o
-crc32-riscv-y := crc32.o crc32_msb.o crc32_lsb.o
-obj-$(CONFIG_CRC64_ARCH) += crc64-riscv.o
-crc64-riscv-y := crc64.o crc64_msb.o crc64_lsb.o
-obj-$(CONFIG_CRC_T10DIF_ARCH)	+= crc-t10dif-riscv.o
-crc-t10dif-riscv-y := crc-t10dif.o crc16_msb.o
 obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o
 lib-$(CONFIG_RISCV_ISA_V)	+= xor.o
 lib-$(CONFIG_RISCV_ISA_V)	+= riscv_v_helpers.o
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index a8e74ed8e3cc..25a773e6596e 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -75,7 +75,6 @@ config S390
 	select ARCH_ENABLE_MEMORY_HOTREMOVE
 	select ARCH_ENABLE_SPLIT_PMD_PTLOCK if PGTABLE_LEVELS > 2
 	select ARCH_HAS_CPU_FINALIZE_INIT
-	select ARCH_HAS_CRC32
 	select ARCH_HAS_CURRENT_STACK_POINTER
 	select ARCH_HAS_DEBUG_VIRTUAL
 	select ARCH_HAS_DEBUG_VM_PGTABLE
diff --git a/arch/s390/lib/Makefile b/arch/s390/lib/Makefile
index cd35cdbfa871..7c8583d46eca 100644
--- a/arch/s390/lib/Makefile
+++ b/arch/s390/lib/Makefile
@@ -25,6 +25,3 @@ obj-$(CONFIG_S390_MODULES_SANITY_TEST_HELPERS) += test_modules_helpers.o
 lib-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o
 
 obj-$(CONFIG_EXPOLINE_EXTERN) += expoline.o
-
-obj-$(CONFIG_CRC32_ARCH) += crc32-s390.o
-crc32-s390-y := crc32.o crc32le-vx.o crc32be-vx.o
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 0f88123925a4..dcfdb7f1dae9 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -110,7 +110,6 @@ config SPARC64
 	select HAVE_SETUP_PER_CPU_AREA
 	select NEED_PER_CPU_EMBED_FIRST_CHUNK
 	select NEED_PER_CPU_PAGE_FIRST_CHUNK
-	select ARCH_HAS_CRC32
 
 config ARCH_PROC_KCORE_TEXT
 	def_bool y
diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile
index 5cf9781d68b4..2d6c3c535273 100644
--- a/arch/sparc/lib/Makefile
+++ b/arch/sparc/lib/Makefile
@@ -54,5 +54,3 @@ lib-$(CONFIG_SPARC64) += mcount.o ipcsum.o xor.o hweight.o ffs.o
 obj-$(CONFIG_SPARC64) += iomap.o
 obj-$(CONFIG_SPARC32) += atomic32.o
 obj-$(CONFIG_SPARC64) += PeeCeeI.o
-obj-$(CONFIG_CRC32_ARCH) += crc32-sparc.o
-crc32-sparc-y := crc32.o crc32c_asm.o
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index ce91d47fb553..edaab220d9c1 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -79,9 +79,6 @@ config X86
 	select ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION
 	select ARCH_HAS_CPU_FINALIZE_INIT
 	select ARCH_HAS_CPU_PASID		if IOMMU_SVA
-	select ARCH_HAS_CRC32
-	select ARCH_HAS_CRC64			if X86_64
-	select ARCH_HAS_CRC_T10DIF
 	select ARCH_HAS_CURRENT_STACK_POINTER
 	select ARCH_HAS_DEBUG_VIRTUAL
 	select ARCH_HAS_DEBUG_VM_PGTABLE	if !X86_PAE
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index 4fa5c4e1ba8a..dc5ee2a6938c 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -40,16 +40,6 @@ lib-$(CONFIG_RANDOMIZE_BASE) += kaslr.o
 lib-$(CONFIG_FUNCTION_ERROR_INJECTION)	+= error-inject.o
 lib-$(CONFIG_MITIGATION_RETPOLINE) += retpoline.o
 
-obj-$(CONFIG_CRC32_ARCH) += crc32-x86.o
-crc32-x86-y := crc32.o crc32-pclmul.o
-crc32-x86-$(CONFIG_64BIT) += crc32c-3way.o
-
-obj-$(CONFIG_CRC64_ARCH) += crc64-x86.o
-crc64-x86-y := crc64.o crc64-pclmul.o
-
-obj-$(CONFIG_CRC_T10DIF_ARCH) += crc-t10dif-x86.o
-crc-t10dif-x86-y := crc-t10dif.o crc16-msb-pclmul.o
-
 obj-y += msr.o msr-reg.o msr-reg-export.o hweight.o
 obj-y += iomem.o
 
diff --git a/arch/x86/lib/crc32.c b/arch/x86/lib/crc32.c
deleted file mode 100644
index d09343e2cea9..000000000000
--- a/arch/x86/lib/crc32.c
+++ /dev/null
@@ -1,111 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * x86-optimized CRC32 functions
- *
- * Copyright (C) 2008 Intel Corporation
- * Copyright 2012 Xyratex Technology Limited
- * Copyright 2024 Google LLC
- */
-
-#include <linux/crc32.h>
-#include <linux/module.h>
-#include "crc-pclmul-template.h"
-
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_crc32);
-static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_pclmulqdq);
-
-DECLARE_CRC_PCLMUL_FUNCS(crc32_lsb, u32);
-
-u32 crc32_le_arch(u32 crc, const u8 *p, size_t len)
-{
-	CRC_PCLMUL(crc, p, len, crc32_lsb, crc32_lsb_0xedb88320_consts,
-		   have_pclmulqdq);
-	return crc32_le_base(crc, p, len);
-}
-EXPORT_SYMBOL(crc32_le_arch);
-
-#ifdef CONFIG_X86_64
-#define CRC32_INST "crc32q %1, %q0"
-#else
-#define CRC32_INST "crc32l %1, %0"
-#endif
-
-/*
- * Use carryless multiply version of crc32c when buffer size is >= 512 to
- * account for FPU state save/restore overhead.
- */
-#define CRC32C_PCLMUL_BREAKEVEN	512
-
-asmlinkage u32 crc32c_x86_3way(u32 crc, const u8 *buffer, size_t len);
-
-u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
-{
-	size_t num_longs;
-
-	if (!static_branch_likely(&have_crc32))
-		return crc32c_base(crc, p, len);
-
-	if (IS_ENABLED(CONFIG_X86_64) && len >= CRC32C_PCLMUL_BREAKEVEN &&
-	    static_branch_likely(&have_pclmulqdq) && crypto_simd_usable()) {
-		kernel_fpu_begin();
-		crc = crc32c_x86_3way(crc, p, len);
-		kernel_fpu_end();
-		return crc;
-	}
-
-	for (num_longs = len / sizeof(unsigned long);
-	     num_longs != 0; num_longs--, p += sizeof(unsigned long))
-		asm(CRC32_INST : "+r" (crc) : ASM_INPUT_RM (*(unsigned long *)p));
-
-	if (sizeof(unsigned long) > 4 && (len & 4)) {
-		asm("crc32l %1, %0" : "+r" (crc) : ASM_INPUT_RM (*(u32 *)p));
-		p += 4;
-	}
-	if (len & 2) {
-		asm("crc32w %1, %0" : "+r" (crc) : ASM_INPUT_RM (*(u16 *)p));
-		p += 2;
-	}
-	if (len & 1)
-		asm("crc32b %1, %0" : "+r" (crc) : ASM_INPUT_RM (*p));
-
-	return crc;
-}
-EXPORT_SYMBOL(crc32c_arch);
-
-u32 crc32_be_arch(u32 crc, const u8 *p, size_t len)
-{
-	return crc32_be_base(crc, p, len);
-}
-EXPORT_SYMBOL(crc32_be_arch);
-
-static int __init crc32_x86_init(void)
-{
-	if (boot_cpu_has(X86_FEATURE_XMM4_2))
-		static_branch_enable(&have_crc32);
-	if (boot_cpu_has(X86_FEATURE_PCLMULQDQ)) {
-		static_branch_enable(&have_pclmulqdq);
-		INIT_CRC_PCLMUL(crc32_lsb);
-	}
-	return 0;
-}
-subsys_initcall(crc32_x86_init);
-
-static void __exit crc32_x86_exit(void)
-{
-}
-module_exit(crc32_x86_exit);
-
-u32 crc32_optimizations(void)
-{
-	u32 optimizations = 0;
-
-	if (static_key_enabled(&have_crc32))
-		optimizations |= CRC32C_OPTIMIZATION;
-	if (static_key_enabled(&have_pclmulqdq))
-		optimizations |= CRC32_LE_OPTIMIZATION;
-	return optimizations;
-}
-EXPORT_SYMBOL(crc32_optimizations);
-
-MODULE_DESCRIPTION("x86-optimized CRC32 functions");
-MODULE_LICENSE("GPL");
diff --git a/crypto/Makefile b/crypto/Makefile
index 017df3a2e4bb..55dd56332dc8 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -154,10 +154,8 @@ obj-$(CONFIG_CRYPTO_DEFLATE) += deflate.o
 obj-$(CONFIG_CRYPTO_MICHAEL_MIC) += michael_mic.o
 obj-$(CONFIG_CRYPTO_CRC32C) += crc32c-cryptoapi.o
 crc32c-cryptoapi-y := crc32c.o
-CFLAGS_crc32c.o += -DARCH=$(ARCH)
 obj-$(CONFIG_CRYPTO_CRC32) += crc32-cryptoapi.o
 crc32-cryptoapi-y := crc32.o
-CFLAGS_crc32.o += -DARCH=$(ARCH)
 obj-$(CONFIG_CRYPTO_AUTHENC) += authenc.o authencesn.o
 obj-$(CONFIG_CRYPTO_KRB5ENC) += krb5enc.o
 obj-$(CONFIG_CRYPTO_LZO) += lzo.o lzo-rle.o
diff --git a/crypto/crc32.c b/crypto/crc32.c
index cc371d42601f..489cbed9422e 100644
--- a/crypto/crc32.c
+++ b/crypto/crc32.c
@@ -59,29 +59,12 @@ static int crc32_update(struct shash_desc *desc, const u8 *data,
 {
 	u32 *crcp = shash_desc_ctx(desc);
 
-	*crcp = crc32_le_base(*crcp, data, len);
-	return 0;
-}
-
-static int crc32_update_arch(struct shash_desc *desc, const u8 *data,
-			     unsigned int len)
-{
-	u32 *crcp = shash_desc_ctx(desc);
-
 	*crcp = crc32_le(*crcp, data, len);
 	return 0;
 }
 
 /* No final XOR 0xFFFFFFFF, like crc32_le */
-static int __crc32_finup(u32 *crcp, const u8 *data, unsigned int len,
-			 u8 *out)
-{
-	put_unaligned_le32(crc32_le_base(*crcp, data, len), out);
-	return 0;
-}
-
-static int __crc32_finup_arch(u32 *crcp, const u8 *data, unsigned int len,
-			      u8 *out)
+static int __crc32_finup(u32 *crcp, const u8 *data, unsigned int len, u8 *out)
 {
 	put_unaligned_le32(crc32_le(*crcp, data, len), out);
 	return 0;
@@ -93,12 +76,6 @@ static int crc32_finup(struct shash_desc *desc, const u8 *data,
 	return __crc32_finup(shash_desc_ctx(desc), data, len, out);
 }
 
-static int crc32_finup_arch(struct shash_desc *desc, const u8 *data,
-		       unsigned int len, u8 *out)
-{
-	return __crc32_finup_arch(shash_desc_ctx(desc), data, len, out);
-}
-
 static int crc32_final(struct shash_desc *desc, u8 *out)
 {
 	u32 *crcp = shash_desc_ctx(desc);
@@ -113,13 +90,7 @@ static int crc32_digest(struct shash_desc *desc, const u8 *data,
 	return __crc32_finup(crypto_shash_ctx(desc->tfm), data, len, out);
 }
 
-static int crc32_digest_arch(struct shash_desc *desc, const u8 *data,
-			     unsigned int len, u8 *out)
-{
-	return __crc32_finup_arch(crypto_shash_ctx(desc->tfm), data, len, out);
-}
-
-static struct shash_alg algs[] = {{
+static struct shash_alg alg = {
 	.setkey			= crc32_setkey,
 	.init			= crc32_init,
 	.update			= crc32_update,
@@ -130,46 +101,23 @@ static struct shash_alg algs[] = {{
 	.digestsize		= CHKSUM_DIGEST_SIZE,
 
 	.base.cra_name		= "crc32",
-	.base.cra_driver_name	= "crc32-generic",
+	.base.cra_driver_name	= "crc32-lib",
 	.base.cra_priority	= 100,
 	.base.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,
 	.base.cra_blocksize	= CHKSUM_BLOCK_SIZE,
 	.base.cra_ctxsize	= sizeof(u32),
 	.base.cra_module	= THIS_MODULE,
 	.base.cra_init		= crc32_cra_init,
-}, {
-	.setkey			= crc32_setkey,
-	.init			= crc32_init,
-	.update			= crc32_update_arch,
-	.final			= crc32_final,
-	.finup			= crc32_finup_arch,
-	.digest			= crc32_digest_arch,
-	.descsize		= sizeof(u32),
-	.digestsize		= CHKSUM_DIGEST_SIZE,
-
-	.base.cra_name		= "crc32",
-	.base.cra_driver_name	= "crc32-" __stringify(ARCH),
-	.base.cra_priority	= 150,
-	.base.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,
-	.base.cra_blocksize	= CHKSUM_BLOCK_SIZE,
-	.base.cra_ctxsize	= sizeof(u32),
-	.base.cra_module	= THIS_MODULE,
-	.base.cra_init		= crc32_cra_init,
-}};
-
-static int num_algs;
+};
 
 static int __init crc32_mod_init(void)
 {
-	/* register the arch flavor only if it differs from the generic one */
-	num_algs = 1 + ((crc32_optimizations() & CRC32_LE_OPTIMIZATION) != 0);
-
-	return crypto_register_shashes(algs, num_algs);
+	return crypto_register_shash(&alg);
 }
 
 static void __exit crc32_mod_fini(void)
 {
-	crypto_unregister_shashes(algs, num_algs);
+	crypto_unregister_shash(&alg);
 }
 
 module_init(crc32_mod_init);
@@ -179,4 +127,3 @@ MODULE_AUTHOR("Alexander Boyko <alexander_boyko@xyratex.com>");
 MODULE_DESCRIPTION("CRC32 calculations wrapper for lib/crc32");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_CRYPTO("crc32");
-MODULE_ALIAS_CRYPTO("crc32-generic");
diff --git a/crypto/crc32c.c b/crypto/crc32c.c
index e5377898414a..1eff54dde2f7 100644
--- a/crypto/crc32c.c
+++ b/crypto/crc32c.c
@@ -85,15 +85,6 @@ static int chksum_update(struct shash_desc *desc, const u8 *data,
 {
 	struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
 
-	ctx->crc = crc32c_base(ctx->crc, data, length);
-	return 0;
-}
-
-static int chksum_update_arch(struct shash_desc *desc, const u8 *data,
-			      unsigned int length)
-{
-	struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
-
 	ctx->crc = crc32c(ctx->crc, data, length);
 	return 0;
 }
@@ -108,13 +99,6 @@ static int chksum_final(struct shash_desc *desc, u8 *out)
 
 static int __chksum_finup(u32 *crcp, const u8 *data, unsigned int len, u8 *out)
 {
-	put_unaligned_le32(~crc32c_base(*crcp, data, len), out);
-	return 0;
-}
-
-static int __chksum_finup_arch(u32 *crcp, const u8 *data, unsigned int len,
-			       u8 *out)
-{
 	put_unaligned_le32(~crc32c(*crcp, data, len), out);
 	return 0;
 }
@@ -127,14 +111,6 @@ static int chksum_finup(struct shash_desc *desc, const u8 *data,
 	return __chksum_finup(&ctx->crc, data, len, out);
 }
 
-static int chksum_finup_arch(struct shash_desc *desc, const u8 *data,
-			     unsigned int len, u8 *out)
-{
-	struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
-
-	return __chksum_finup_arch(&ctx->crc, data, len, out);
-}
-
 static int chksum_digest(struct shash_desc *desc, const u8 *data,
 			 unsigned int length, u8 *out)
 {
@@ -143,14 +119,6 @@ static int chksum_digest(struct shash_desc *desc, const u8 *data,
 	return __chksum_finup(&mctx->key, data, length, out);
 }
 
-static int chksum_digest_arch(struct shash_desc *desc, const u8 *data,
-			      unsigned int length, u8 *out)
-{
-	struct chksum_ctx *mctx = crypto_shash_ctx(desc->tfm);
-
-	return __chksum_finup_arch(&mctx->key, data, length, out);
-}
-
 static int crc32c_cra_init(struct crypto_tfm *tfm)
 {
 	struct chksum_ctx *mctx = crypto_tfm_ctx(tfm);
@@ -159,7 +127,7 @@ static int crc32c_cra_init(struct crypto_tfm *tfm)
 	return 0;
 }
 
-static struct shash_alg algs[] = {{
+static struct shash_alg alg = {
 	.digestsize		= CHKSUM_DIGEST_SIZE,
 	.setkey			= chksum_setkey,
 	.init			= chksum_init,
@@ -170,46 +138,23 @@ static struct shash_alg algs[] = {{
 	.descsize		= sizeof(struct chksum_desc_ctx),
 
 	.base.cra_name		= "crc32c",
-	.base.cra_driver_name	= "crc32c-generic",
+	.base.cra_driver_name	= "crc32c-lib",
 	.base.cra_priority	= 100,
 	.base.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,
 	.base.cra_blocksize	= CHKSUM_BLOCK_SIZE,
 	.base.cra_ctxsize	= sizeof(struct chksum_ctx),
 	.base.cra_module	= THIS_MODULE,
 	.base.cra_init		= crc32c_cra_init,
-}, {
-	.digestsize		= CHKSUM_DIGEST_SIZE,
-	.setkey			= chksum_setkey,
-	.init			= chksum_init,
-	.update			= chksum_update_arch,
-	.final			= chksum_final,
-	.finup			= chksum_finup_arch,
-	.digest			= chksum_digest_arch,
-	.descsize		= sizeof(struct chksum_desc_ctx),
-
-	.base.cra_name		= "crc32c",
-	.base.cra_driver_name	= "crc32c-" __stringify(ARCH),
-	.base.cra_priority	= 150,
-	.base.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,
-	.base.cra_blocksize	= CHKSUM_BLOCK_SIZE,
-	.base.cra_ctxsize	= sizeof(struct chksum_ctx),
-	.base.cra_module	= THIS_MODULE,
-	.base.cra_init		= crc32c_cra_init,
-}};
-
-static int num_algs;
+};
 
 static int __init crc32c_mod_init(void)
 {
-	/* register the arch flavor only if it differs from the generic one */
-	num_algs = 1 + ((crc32_optimizations() & CRC32C_OPTIMIZATION) != 0);
-
-	return crypto_register_shashes(algs, num_algs);
+	return crypto_register_shash(&alg);
 }
 
 static void __exit crc32c_mod_fini(void)
 {
-	crypto_unregister_shashes(algs, num_algs);
+	crypto_unregister_shash(&alg);
 }
 
 module_init(crc32c_mod_init);
@@ -219,4 +164,3 @@ MODULE_AUTHOR("Clay Haapala <chaapala@cisco.com>");
 MODULE_DESCRIPTION("CRC32c (Castagnoli) calculations wrapper for lib/crc32c");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_CRYPTO("crc32c");
-MODULE_ALIAS_CRYPTO("crc32c-generic");
diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index 32f753d6c430..78545df20d56 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -3550,59 +3550,6 @@ static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
 	return err;
 }
 
-static int alg_test_crc32c(const struct alg_test_desc *desc,
-			   const char *driver, u32 type, u32 mask)
-{
-	struct crypto_shash *tfm;
-	__le32 val;
-	int err;
-
-	err = alg_test_hash(desc, driver, type, mask);
-	if (err)
-		return err;
-
-	tfm = crypto_alloc_shash(driver, type, mask);
-	if (IS_ERR(tfm)) {
-		if (PTR_ERR(tfm) == -ENOENT) {
-			/*
-			 * This crc32c implementation is only available through
-			 * ahash API, not the shash API, so the remaining part
-			 * of the test is not applicable to it.
-			 */
-			return 0;
-		}
-		printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
-		       "%ld\n", driver, PTR_ERR(tfm));
-		return PTR_ERR(tfm);
-	}
-	driver = crypto_shash_driver_name(tfm);
-
-	do {
-		SHASH_DESC_ON_STACK(shash, tfm);
-		u32 *ctx = (u32 *)shash_desc_ctx(shash);
-
-		shash->tfm = tfm;
-
-		*ctx = 420553207;
-		err = crypto_shash_final(shash, (u8 *)&val);
-		if (err) {
-			printk(KERN_ERR "alg: crc32c: Operation failed for "
-			       "%s: %d\n", driver, err);
-			break;
-		}
-
-		if (val != cpu_to_le32(~420553207)) {
-			pr_err("alg: crc32c: Test failed for %s: %u\n",
-			       driver, le32_to_cpu(val));
-			err = -EINVAL;
-		}
-	} while (0);
-
-	crypto_free_shash(tfm);
-
-	return err;
-}
-
 static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver,
 			  u32 type, u32 mask)
 {
@@ -4555,6 +4502,7 @@ static const struct alg_test_desc alg_test_descs[] = {
 		}
 	}, {
 		.alg = "crc32",
+		.generic_driver = "crc32-lib",
 		.test = alg_test_hash,
 		.fips_allowed = 1,
 		.suite = {
@@ -4562,7 +4510,8 @@ static const struct alg_test_desc alg_test_descs[] = {
 		}
 	}, {
 		.alg = "crc32c",
-		.test = alg_test_crc32c,
+		.generic_driver = "crc32c-lib",
+		.test = alg_test_hash,
 		.fips_allowed = 1,
 		.suite = {
 			.hash = __VECS(crc32c_tv_template)
diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c
index 9ca80d082c4f..c3b2b22934b7 100644
--- a/drivers/crypto/inside-secure/safexcel.c
+++ b/drivers/crypto/inside-secure/safexcel.c
@@ -1218,7 +1218,6 @@ static struct safexcel_alg_template *safexcel_algs[] = {
 	&safexcel_alg_xts_aes,
 	&safexcel_alg_gcm,
 	&safexcel_alg_ccm,
-	&safexcel_alg_crc32,
 	&safexcel_alg_cbcmac,
 	&safexcel_alg_xcbcmac,
 	&safexcel_alg_cmac,
diff --git a/drivers/crypto/inside-secure/safexcel.h b/drivers/crypto/inside-secure/safexcel.h
index 0c79ad78d1c0..0f27367a85fa 100644
--- a/drivers/crypto/inside-secure/safexcel.h
+++ b/drivers/crypto/inside-secure/safexcel.h
@@ -959,7 +959,6 @@ extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha512_ctr_aes;
 extern struct safexcel_alg_template safexcel_alg_xts_aes;
 extern struct safexcel_alg_template safexcel_alg_gcm;
 extern struct safexcel_alg_template safexcel_alg_ccm;
-extern struct safexcel_alg_template safexcel_alg_crc32;
 extern struct safexcel_alg_template safexcel_alg_cbcmac;
 extern struct safexcel_alg_template safexcel_alg_xcbcmac;
 extern struct safexcel_alg_template safexcel_alg_cmac;
diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c
index d2b632193beb..fd34dc8f5707 100644
--- a/drivers/crypto/inside-secure/safexcel_hash.c
+++ b/drivers/crypto/inside-secure/safexcel_hash.c
@@ -289,14 +289,8 @@ static int safexcel_handle_req_result(struct safexcel_crypto_priv *priv,
 			return 1;
 		}
 
-		if (unlikely(sreq->digest == CONTEXT_CONTROL_DIGEST_XCM &&
-			     ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_CRC32)) {
-			/* Undo final XOR with 0xffffffff ...*/
-			*(__le32 *)areq->result = ~sreq->state[0];
-		} else {
-			memcpy(areq->result, sreq->state,
-			       crypto_ahash_digestsize(ahash));
-		}
+		memcpy(areq->result, sreq->state,
+		       crypto_ahash_digestsize(ahash));
 	}
 
 	cache_len = safexcel_queued_len(sreq);
@@ -1881,88 +1875,6 @@ struct safexcel_alg_template safexcel_alg_hmac_md5 = {
 	},
 };
 
-static int safexcel_crc32_cra_init(struct crypto_tfm *tfm)
-{
-	struct safexcel_ahash_ctx *ctx = crypto_tfm_ctx(tfm);
-	int ret = safexcel_ahash_cra_init(tfm);
-
-	/* Default 'key' is all zeroes */
-	memset(&ctx->base.ipad, 0, sizeof(u32));
-	return ret;
-}
-
-static int safexcel_crc32_init(struct ahash_request *areq)
-{
-	struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(areq));
-	struct safexcel_ahash_req *req = ahash_request_ctx_dma(areq);
-
-	memset(req, 0, sizeof(*req));
-
-	/* Start from loaded key */
-	req->state[0]	= cpu_to_le32(~ctx->base.ipad.word[0]);
-	/* Set processed to non-zero to enable invalidation detection */
-	req->len	= sizeof(u32);
-	req->processed	= sizeof(u32);
-
-	ctx->alg = CONTEXT_CONTROL_CRYPTO_ALG_CRC32;
-	req->digest = CONTEXT_CONTROL_DIGEST_XCM;
-	req->state_sz = sizeof(u32);
-	req->digest_sz = sizeof(u32);
-	req->block_sz = sizeof(u32);
-
-	return 0;
-}
-
-static int safexcel_crc32_setkey(struct crypto_ahash *tfm, const u8 *key,
-				 unsigned int keylen)
-{
-	struct safexcel_ahash_ctx *ctx = crypto_tfm_ctx(crypto_ahash_tfm(tfm));
-
-	if (keylen != sizeof(u32))
-		return -EINVAL;
-
-	memcpy(&ctx->base.ipad, key, sizeof(u32));
-	return 0;
-}
-
-static int safexcel_crc32_digest(struct ahash_request *areq)
-{
-	return safexcel_crc32_init(areq) ?: safexcel_ahash_finup(areq);
-}
-
-struct safexcel_alg_template safexcel_alg_crc32 = {
-	.type = SAFEXCEL_ALG_TYPE_AHASH,
-	.algo_mask = 0,
-	.alg.ahash = {
-		.init = safexcel_crc32_init,
-		.update = safexcel_ahash_update,
-		.final = safexcel_ahash_final,
-		.finup = safexcel_ahash_finup,
-		.digest = safexcel_crc32_digest,
-		.setkey = safexcel_crc32_setkey,
-		.export = safexcel_ahash_export,
-		.import = safexcel_ahash_import,
-		.halg = {
-			.digestsize = sizeof(u32),
-			.statesize = sizeof(struct safexcel_ahash_export_state),
-			.base = {
-				.cra_name = "crc32",
-				.cra_driver_name = "safexcel-crc32",
-				.cra_priority = SAFEXCEL_CRA_PRIORITY,
-				.cra_flags = CRYPTO_ALG_OPTIONAL_KEY |
-					     CRYPTO_ALG_ASYNC |
-					     CRYPTO_ALG_ALLOCATES_MEMORY |
-					     CRYPTO_ALG_KERN_DRIVER_ONLY,
-				.cra_blocksize = 1,
-				.cra_ctxsize = sizeof(struct safexcel_ahash_ctx),
-				.cra_init = safexcel_crc32_cra_init,
-				.cra_exit = safexcel_ahash_cra_exit,
-				.cra_module = THIS_MODULE,
-			},
-		},
-	},
-};
-
 static int safexcel_cbcmac_init(struct ahash_request *areq)
 {
 	struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(areq));
diff --git a/drivers/crypto/stm32/Kconfig b/drivers/crypto/stm32/Kconfig
index 49dfd161e9b9..d6dc848c82ee 100644
--- a/drivers/crypto/stm32/Kconfig
+++ b/drivers/crypto/stm32/Kconfig
@@ -1,13 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
-config CRYPTO_DEV_STM32_CRC
-	tristate "Support for STM32 crc accelerators"
-	depends on ARCH_STM32
-	select CRYPTO_HASH
-	select CRC32
-	help
-	  This enables support for the CRC32 hw accelerator which can be found
-	  on STMicroelectronics STM32 SOC.
-
 config CRYPTO_DEV_STM32_HASH
 	tristate "Support for STM32 hash accelerators"
 	depends on ARCH_STM32 || ARCH_U8500
diff --git a/drivers/crypto/stm32/Makefile b/drivers/crypto/stm32/Makefile
index 518e0e0b11a9..c63004026afb 100644
--- a/drivers/crypto/stm32/Makefile
+++ b/drivers/crypto/stm32/Makefile
@@ -1,4 +1,3 @@
 # SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_CRYPTO_DEV_STM32_CRC) += stm32-crc32.o
 obj-$(CONFIG_CRYPTO_DEV_STM32_HASH) += stm32-hash.o
 obj-$(CONFIG_CRYPTO_DEV_STM32_CRYP) += stm32-cryp.o
diff --git a/drivers/crypto/stm32/stm32-crc32.c b/drivers/crypto/stm32/stm32-crc32.c
deleted file mode 100644
index fd29785a3ecf..000000000000
--- a/drivers/crypto/stm32/stm32-crc32.c
+++ /dev/null
@@ -1,480 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (C) STMicroelectronics SA 2017
- * Author: Fabien Dessenne <fabien.dessenne@st.com>
- */
-
-#include <linux/bitrev.h>
-#include <linux/clk.h>
-#include <linux/crc32.h>
-#include <linux/crc32poly.h>
-#include <linux/io.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/mod_devicetable.h>
-#include <linux/platform_device.h>
-#include <linux/pm_runtime.h>
-
-#include <crypto/internal/hash.h>
-
-#include <linux/unaligned.h>
-
-#define DRIVER_NAME             "stm32-crc32"
-#define CHKSUM_DIGEST_SIZE      4
-#define CHKSUM_BLOCK_SIZE       1
-
-/* Registers */
-#define CRC_DR                  0x00000000
-#define CRC_CR                  0x00000008
-#define CRC_INIT                0x00000010
-#define CRC_POL                 0x00000014
-
-/* Registers values */
-#define CRC_CR_RESET            BIT(0)
-#define CRC_CR_REV_IN_WORD      (BIT(6) | BIT(5))
-#define CRC_CR_REV_IN_BYTE      BIT(5)
-#define CRC_CR_REV_OUT          BIT(7)
-#define CRC32C_INIT_DEFAULT     0xFFFFFFFF
-
-#define CRC_AUTOSUSPEND_DELAY	50
-
-static unsigned int burst_size;
-module_param(burst_size, uint, 0644);
-MODULE_PARM_DESC(burst_size, "Select burst byte size (0 unlimited)");
-
-struct stm32_crc {
-	struct list_head list;
-	struct device    *dev;
-	void __iomem     *regs;
-	struct clk       *clk;
-	spinlock_t       lock;
-};
-
-struct stm32_crc_list {
-	struct list_head dev_list;
-	spinlock_t       lock; /* protect dev_list */
-};
-
-static struct stm32_crc_list crc_list = {
-	.dev_list = LIST_HEAD_INIT(crc_list.dev_list),
-	.lock     = __SPIN_LOCK_UNLOCKED(crc_list.lock),
-};
-
-struct stm32_crc_ctx {
-	u32 key;
-	u32 poly;
-};
-
-struct stm32_crc_desc_ctx {
-	u32    partial; /* crc32c: partial in first 4 bytes of that struct */
-};
-
-static int stm32_crc32_cra_init(struct crypto_tfm *tfm)
-{
-	struct stm32_crc_ctx *mctx = crypto_tfm_ctx(tfm);
-
-	mctx->key = 0;
-	mctx->poly = CRC32_POLY_LE;
-	return 0;
-}
-
-static int stm32_crc32c_cra_init(struct crypto_tfm *tfm)
-{
-	struct stm32_crc_ctx *mctx = crypto_tfm_ctx(tfm);
-
-	mctx->key = CRC32C_INIT_DEFAULT;
-	mctx->poly = CRC32C_POLY_LE;
-	return 0;
-}
-
-static int stm32_crc_setkey(struct crypto_shash *tfm, const u8 *key,
-			    unsigned int keylen)
-{
-	struct stm32_crc_ctx *mctx = crypto_shash_ctx(tfm);
-
-	if (keylen != sizeof(u32))
-		return -EINVAL;
-
-	mctx->key = get_unaligned_le32(key);
-	return 0;
-}
-
-static struct stm32_crc *stm32_crc_get_next_crc(void)
-{
-	struct stm32_crc *crc;
-
-	spin_lock_bh(&crc_list.lock);
-	crc = list_first_entry_or_null(&crc_list.dev_list, struct stm32_crc, list);
-	if (crc)
-		list_move_tail(&crc->list, &crc_list.dev_list);
-	spin_unlock_bh(&crc_list.lock);
-
-	return crc;
-}
-
-static int stm32_crc_init(struct shash_desc *desc)
-{
-	struct stm32_crc_desc_ctx *ctx = shash_desc_ctx(desc);
-	struct stm32_crc_ctx *mctx = crypto_shash_ctx(desc->tfm);
-	struct stm32_crc *crc;
-	unsigned long flags;
-
-	crc = stm32_crc_get_next_crc();
-	if (!crc)
-		return -ENODEV;
-
-	pm_runtime_get_sync(crc->dev);
-
-	spin_lock_irqsave(&crc->lock, flags);
-
-	/* Reset, set key, poly and configure in bit reverse mode */
-	writel_relaxed(bitrev32(mctx->key), crc->regs + CRC_INIT);
-	writel_relaxed(bitrev32(mctx->poly), crc->regs + CRC_POL);
-	writel_relaxed(CRC_CR_RESET | CRC_CR_REV_IN_WORD | CRC_CR_REV_OUT,
-		       crc->regs + CRC_CR);
-
-	/* Store partial result */
-	ctx->partial = readl_relaxed(crc->regs + CRC_DR);
-
-	spin_unlock_irqrestore(&crc->lock, flags);
-
-	pm_runtime_mark_last_busy(crc->dev);
-	pm_runtime_put_autosuspend(crc->dev);
-
-	return 0;
-}
-
-static int burst_update(struct shash_desc *desc, const u8 *d8,
-			size_t length)
-{
-	struct stm32_crc_desc_ctx *ctx = shash_desc_ctx(desc);
-	struct stm32_crc_ctx *mctx = crypto_shash_ctx(desc->tfm);
-	struct stm32_crc *crc;
-
-	crc = stm32_crc_get_next_crc();
-	if (!crc)
-		return -ENODEV;
-
-	pm_runtime_get_sync(crc->dev);
-
-	if (!spin_trylock(&crc->lock)) {
-		/* Hardware is busy, calculate crc32 by software */
-		if (mctx->poly == CRC32_POLY_LE)
-			ctx->partial = crc32_le(ctx->partial, d8, length);
-		else
-			ctx->partial = crc32c(ctx->partial, d8, length);
-
-		goto pm_out;
-	}
-
-	/*
-	 * Restore previously calculated CRC for this context as init value
-	 * Restore polynomial configuration
-	 * Configure in register for word input data,
-	 * Configure out register in reversed bit mode data.
-	 */
-	writel_relaxed(bitrev32(ctx->partial), crc->regs + CRC_INIT);
-	writel_relaxed(bitrev32(mctx->poly), crc->regs + CRC_POL);
-	writel_relaxed(CRC_CR_RESET | CRC_CR_REV_IN_WORD | CRC_CR_REV_OUT,
-		       crc->regs + CRC_CR);
-
-	if (d8 != PTR_ALIGN(d8, sizeof(u32))) {
-		/* Configure for byte data */
-		writel_relaxed(CRC_CR_REV_IN_BYTE | CRC_CR_REV_OUT,
-			       crc->regs + CRC_CR);
-		while (d8 != PTR_ALIGN(d8, sizeof(u32)) && length) {
-			writeb_relaxed(*d8++, crc->regs + CRC_DR);
-			length--;
-		}
-		/* Configure for word data */
-		writel_relaxed(CRC_CR_REV_IN_WORD | CRC_CR_REV_OUT,
-			       crc->regs + CRC_CR);
-	}
-
-	for (; length >= sizeof(u32); d8 += sizeof(u32), length -= sizeof(u32))
-		writel_relaxed(*((u32 *)d8), crc->regs + CRC_DR);
-
-	if (length) {
-		/* Configure for byte data */
-		writel_relaxed(CRC_CR_REV_IN_BYTE | CRC_CR_REV_OUT,
-			       crc->regs + CRC_CR);
-		while (length--)
-			writeb_relaxed(*d8++, crc->regs + CRC_DR);
-	}
-
-	/* Store partial result */
-	ctx->partial = readl_relaxed(crc->regs + CRC_DR);
-
-	spin_unlock(&crc->lock);
-
-pm_out:
-	pm_runtime_mark_last_busy(crc->dev);
-	pm_runtime_put_autosuspend(crc->dev);
-
-	return 0;
-}
-
-static int stm32_crc_update(struct shash_desc *desc, const u8 *d8,
-			    unsigned int length)
-{
-	const unsigned int burst_sz = burst_size;
-	unsigned int rem_sz;
-	const u8 *cur;
-	size_t size;
-	int ret;
-
-	if (!burst_sz)
-		return burst_update(desc, d8, length);
-
-	/* Digest first bytes not 32bit aligned at first pass in the loop */
-	size = min_t(size_t, length, burst_sz + (size_t)d8 -
-				     ALIGN_DOWN((size_t)d8, sizeof(u32)));
-	for (rem_sz = length, cur = d8; rem_sz;
-	     rem_sz -= size, cur += size, size = min(rem_sz, burst_sz)) {
-		ret = burst_update(desc, cur, size);
-		if (ret)
-			return ret;
-	}
-
-	return 0;
-}
-
-static int stm32_crc_final(struct shash_desc *desc, u8 *out)
-{
-	struct stm32_crc_desc_ctx *ctx = shash_desc_ctx(desc);
-	struct stm32_crc_ctx *mctx = crypto_shash_ctx(desc->tfm);
-
-	/* Send computed CRC */
-	put_unaligned_le32(mctx->poly == CRC32C_POLY_LE ?
-			   ~ctx->partial : ctx->partial, out);
-
-	return 0;
-}
-
-static int stm32_crc_finup(struct shash_desc *desc, const u8 *data,
-			   unsigned int length, u8 *out)
-{
-	return stm32_crc_update(desc, data, length) ?:
-	       stm32_crc_final(desc, out);
-}
-
-static int stm32_crc_digest(struct shash_desc *desc, const u8 *data,
-			    unsigned int length, u8 *out)
-{
-	return stm32_crc_init(desc) ?: stm32_crc_finup(desc, data, length, out);
-}
-
-static unsigned int refcnt;
-static DEFINE_MUTEX(refcnt_lock);
-static struct shash_alg algs[] = {
-	/* CRC-32 */
-	{
-		.setkey         = stm32_crc_setkey,
-		.init           = stm32_crc_init,
-		.update         = stm32_crc_update,
-		.final          = stm32_crc_final,
-		.finup          = stm32_crc_finup,
-		.digest         = stm32_crc_digest,
-		.descsize       = sizeof(struct stm32_crc_desc_ctx),
-		.digestsize     = CHKSUM_DIGEST_SIZE,
-		.base           = {
-			.cra_name               = "crc32",
-			.cra_driver_name        = "stm32-crc32-crc32",
-			.cra_priority           = 200,
-			.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,
-			.cra_blocksize          = CHKSUM_BLOCK_SIZE,
-			.cra_ctxsize            = sizeof(struct stm32_crc_ctx),
-			.cra_module             = THIS_MODULE,
-			.cra_init               = stm32_crc32_cra_init,
-		}
-	},
-	/* CRC-32Castagnoli */
-	{
-		.setkey         = stm32_crc_setkey,
-		.init           = stm32_crc_init,
-		.update         = stm32_crc_update,
-		.final          = stm32_crc_final,
-		.finup          = stm32_crc_finup,
-		.digest         = stm32_crc_digest,
-		.descsize       = sizeof(struct stm32_crc_desc_ctx),
-		.digestsize     = CHKSUM_DIGEST_SIZE,
-		.base           = {
-			.cra_name               = "crc32c",
-			.cra_driver_name        = "stm32-crc32-crc32c",
-			.cra_priority           = 200,
-			.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,
-			.cra_blocksize          = CHKSUM_BLOCK_SIZE,
-			.cra_ctxsize            = sizeof(struct stm32_crc_ctx),
-			.cra_module             = THIS_MODULE,
-			.cra_init               = stm32_crc32c_cra_init,
-		}
-	}
-};
-
-static int stm32_crc_probe(struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-	struct stm32_crc *crc;
-	int ret;
-
-	crc = devm_kzalloc(dev, sizeof(*crc), GFP_KERNEL);
-	if (!crc)
-		return -ENOMEM;
-
-	crc->dev = dev;
-
-	crc->regs = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(crc->regs)) {
-		dev_err(dev, "Cannot map CRC IO\n");
-		return PTR_ERR(crc->regs);
-	}
-
-	crc->clk = devm_clk_get(dev, NULL);
-	if (IS_ERR(crc->clk)) {
-		dev_err(dev, "Could not get clock\n");
-		return PTR_ERR(crc->clk);
-	}
-
-	ret = clk_prepare_enable(crc->clk);
-	if (ret) {
-		dev_err(crc->dev, "Failed to enable clock\n");
-		return ret;
-	}
-
-	pm_runtime_set_autosuspend_delay(dev, CRC_AUTOSUSPEND_DELAY);
-	pm_runtime_use_autosuspend(dev);
-
-	pm_runtime_get_noresume(dev);
-	pm_runtime_set_active(dev);
-	pm_runtime_irq_safe(dev);
-	pm_runtime_enable(dev);
-
-	spin_lock_init(&crc->lock);
-
-	platform_set_drvdata(pdev, crc);
-
-	spin_lock(&crc_list.lock);
-	list_add(&crc->list, &crc_list.dev_list);
-	spin_unlock(&crc_list.lock);
-
-	mutex_lock(&refcnt_lock);
-	if (!refcnt) {
-		ret = crypto_register_shashes(algs, ARRAY_SIZE(algs));
-		if (ret) {
-			mutex_unlock(&refcnt_lock);
-			dev_err(dev, "Failed to register\n");
-			clk_disable_unprepare(crc->clk);
-			return ret;
-		}
-	}
-	refcnt++;
-	mutex_unlock(&refcnt_lock);
-
-	dev_info(dev, "Initialized\n");
-
-	pm_runtime_put_sync(dev);
-
-	return 0;
-}
-
-static void stm32_crc_remove(struct platform_device *pdev)
-{
-	struct stm32_crc *crc = platform_get_drvdata(pdev);
-	int ret = pm_runtime_get_sync(crc->dev);
-
-	spin_lock(&crc_list.lock);
-	list_del(&crc->list);
-	spin_unlock(&crc_list.lock);
-
-	mutex_lock(&refcnt_lock);
-	if (!--refcnt)
-		crypto_unregister_shashes(algs, ARRAY_SIZE(algs));
-	mutex_unlock(&refcnt_lock);
-
-	pm_runtime_disable(crc->dev);
-	pm_runtime_put_noidle(crc->dev);
-
-	if (ret >= 0)
-		clk_disable(crc->clk);
-	clk_unprepare(crc->clk);
-}
-
-static int __maybe_unused stm32_crc_suspend(struct device *dev)
-{
-	struct stm32_crc *crc = dev_get_drvdata(dev);
-	int ret;
-
-	ret = pm_runtime_force_suspend(dev);
-	if (ret)
-		return ret;
-
-	clk_unprepare(crc->clk);
-
-	return 0;
-}
-
-static int __maybe_unused stm32_crc_resume(struct device *dev)
-{
-	struct stm32_crc *crc = dev_get_drvdata(dev);
-	int ret;
-
-	ret = clk_prepare(crc->clk);
-	if (ret) {
-		dev_err(crc->dev, "Failed to prepare clock\n");
-		return ret;
-	}
-
-	return pm_runtime_force_resume(dev);
-}
-
-static int __maybe_unused stm32_crc_runtime_suspend(struct device *dev)
-{
-	struct stm32_crc *crc = dev_get_drvdata(dev);
-
-	clk_disable(crc->clk);
-
-	return 0;
-}
-
-static int __maybe_unused stm32_crc_runtime_resume(struct device *dev)
-{
-	struct stm32_crc *crc = dev_get_drvdata(dev);
-	int ret;
-
-	ret = clk_enable(crc->clk);
-	if (ret) {
-		dev_err(crc->dev, "Failed to enable clock\n");
-		return ret;
-	}
-
-	return 0;
-}
-
-static const struct dev_pm_ops stm32_crc_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(stm32_crc_suspend,
-				stm32_crc_resume)
-	SET_RUNTIME_PM_OPS(stm32_crc_runtime_suspend,
-			   stm32_crc_runtime_resume, NULL)
-};
-
-static const struct of_device_id stm32_dt_ids[] = {
-	{ .compatible = "st,stm32f7-crc", },
-	{},
-};
-MODULE_DEVICE_TABLE(of, stm32_dt_ids);
-
-static struct platform_driver stm32_crc_driver = {
-	.probe  = stm32_crc_probe,
-	.remove = stm32_crc_remove,
-	.driver = {
-		.name           = DRIVER_NAME,
-		.pm		= &stm32_crc_pm_ops,
-		.of_match_table = stm32_dt_ids,
-	},
-};
-
-module_platform_driver(stm32_crc_driver);
-
-MODULE_AUTHOR("Fabien Dessenne <fabien.dessenne@st.com>");
-MODULE_DESCRIPTION("STMicrolectronics STM32 CRC32 hardware driver");
-MODULE_LICENSE("GPL");
diff --git a/drivers/nvmem/layouts/u-boot-env.c b/drivers/nvmem/layouts/u-boot-env.c
index 8571aac56295..a27eeb08146f 100644
--- a/drivers/nvmem/layouts/u-boot-env.c
+++ b/drivers/nvmem/layouts/u-boot-env.c
@@ -148,7 +148,7 @@ int u_boot_env_parse(struct device *dev, struct nvmem_device *nvmem,
 	crc32_data_len = dev_size - crc32_data_offset;
 	data_len = dev_size - data_offset;
 
-	calc = crc32(~0, buf + crc32_data_offset, crc32_data_len) ^ ~0L;
+	calc = crc32_le(~0, buf + crc32_data_offset, crc32_data_len) ^ ~0L;
 	if (calc != crc32) {
 		dev_err(dev, "Invalid calculated CRC32: 0x%08x (expected: 0x%08x)\n", calc, crc32);
 		err = -EINVAL;
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 9cc14ab35297..70fc4e7cc5a0 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2029,14 +2029,10 @@ static int btrfs_init_csum_hash(struct btrfs_fs_info *fs_info, u16 csum_type)
 
 	fs_info->csum_shash = csum_shash;
 
-	/*
-	 * Check if the checksum implementation is a fast accelerated one.
-	 * As-is this is a bit of a hack and should be replaced once the csum
-	 * implementations provide that information themselves.
-	 */
+	/* Check if the checksum implementation is a fast accelerated one. */
 	switch (csum_type) {
 	case BTRFS_CSUM_TYPE_CRC32:
-		if (!strstr(crypto_shash_driver_name(csum_shash), "generic"))
+		if (crc32_optimizations() & CRC32C_OPTIMIZATION)
 			set_bit(BTRFS_FS_CSUM_IMPL_FAST, &fs_info->flags);
 		break;
 	case BTRFS_CSUM_TYPE_XXHASH:
diff --git a/include/linux/crc-t10dif.h b/include/linux/crc-t10dif.h
index a559fdff3f7e..ecc8bc2dd7f4 100644
--- a/include/linux/crc-t10dif.h
+++ b/include/linux/crc-t10dif.h
@@ -4,15 +4,7 @@
 
 #include <linux/types.h>
 
-u16 crc_t10dif_arch(u16 crc, const u8 *p, size_t len);
-u16 crc_t10dif_generic(u16 crc, const u8 *p, size_t len);
-
-static inline u16 crc_t10dif_update(u16 crc, const u8 *p, size_t len)
-{
-	if (IS_ENABLED(CONFIG_CRC_T10DIF_ARCH))
-		return crc_t10dif_arch(crc, p, len);
-	return crc_t10dif_generic(crc, p, len);
-}
+u16 crc_t10dif_update(u16 crc, const u8 *p, size_t len);
 
 static inline u16 crc_t10dif(const u8 *p, size_t len)
 {
diff --git a/include/linux/crc32.h b/include/linux/crc32.h
index 8c1883b81b42..da78b215ff2e 100644
--- a/include/linux/crc32.h
+++ b/include/linux/crc32.h
@@ -5,33 +5,81 @@
 #include <linux/types.h>
 #include <linux/bitrev.h>
 
-u32 crc32_le_arch(u32 crc, const u8 *p, size_t len);
-u32 crc32_le_base(u32 crc, const u8 *p, size_t len);
-u32 crc32_be_arch(u32 crc, const u8 *p, size_t len);
-u32 crc32_be_base(u32 crc, const u8 *p, size_t len);
-u32 crc32c_arch(u32 crc, const u8 *p, size_t len);
-u32 crc32c_base(u32 crc, const u8 *p, size_t len);
+/**
+ * crc32_le() - Compute least-significant-bit-first IEEE CRC-32
+ * @crc: Initial CRC value.  ~0 (recommended) or 0 for a new CRC computation, or
+ *	 the previous CRC value if computing incrementally.
+ * @p: Pointer to the data buffer
+ * @len: Length of data in bytes
+ *
+ * This implements the CRC variant that is often known as the IEEE CRC-32, or
+ * simply CRC-32, and is widely used in Ethernet and other applications:
+ *
+ * - Polynomial: x^32 + x^26 + x^23 + x^22 + x^16 + x^12 + x^11 + x^10 + x^8 +
+ *		 x^7 + x^5 + x^4 + x^2 + x^1 + x^0
+ * - Bit order: Least-significant-bit-first
+ * - Polynomial in integer form: 0xedb88320
+ *
+ * This does *not* invert the CRC at the beginning or end.  The caller is
+ * expected to do that if it needs to.  Inverting at both ends is recommended.
+ *
+ * For new applications, prefer to use CRC-32C instead.  See crc32c().
+ *
+ * Context: Any context
+ * Return: The new CRC value
+ */
+u32 crc32_le(u32 crc, const void *p, size_t len);
 
-static inline u32 crc32_le(u32 crc, const void *p, size_t len)
+/* This is just an alias for crc32_le(). */
+static inline u32 crc32(u32 crc, const void *p, size_t len)
 {
-	if (IS_ENABLED(CONFIG_CRC32_ARCH))
-		return crc32_le_arch(crc, p, len);
-	return crc32_le_base(crc, p, len);
+	return crc32_le(crc, p, len);
 }
 
-static inline u32 crc32_be(u32 crc, const void *p, size_t len)
-{
-	if (IS_ENABLED(CONFIG_CRC32_ARCH))
-		return crc32_be_arch(crc, p, len);
-	return crc32_be_base(crc, p, len);
-}
+/**
+ * crc32_be() - Compute most-significant-bit-first IEEE CRC-32
+ * @crc: Initial CRC value.  ~0 (recommended) or 0 for a new CRC computation, or
+ *	 the previous CRC value if computing incrementally.
+ * @p: Pointer to the data buffer
+ * @len: Length of data in bytes
+ *
+ * crc32_be() is the same as crc32_le() except that crc32_be() computes the
+ * *most-significant-bit-first* variant of the CRC.  I.e., within each byte, the
+ * most significant bit is processed first (treated as highest order polynomial
+ * coefficient).  The same bit order is also used for the CRC value itself:
+ *
+ * - Polynomial: x^32 + x^26 + x^23 + x^22 + x^16 + x^12 + x^11 + x^10 + x^8 +
+ *		 x^7 + x^5 + x^4 + x^2 + x^1 + x^0
+ * - Bit order: Most-significant-bit-first
+ * - Polynomial in integer form: 0x04c11db7
+ *
+ * Context: Any context
+ * Return: The new CRC value
+ */
+u32 crc32_be(u32 crc, const void *p, size_t len);
 
-static inline u32 crc32c(u32 crc, const void *p, size_t len)
-{
-	if (IS_ENABLED(CONFIG_CRC32_ARCH))
-		return crc32c_arch(crc, p, len);
-	return crc32c_base(crc, p, len);
-}
+/**
+ * crc32c() - Compute CRC-32C
+ * @crc: Initial CRC value.  ~0 (recommended) or 0 for a new CRC computation, or
+ *	 the previous CRC value if computing incrementally.
+ * @p: Pointer to the data buffer
+ * @len: Length of data in bytes
+ *
+ * This implements CRC-32C, i.e. the Castagnoli CRC.  This is the recommended
+ * CRC variant to use in new applications that want a 32-bit CRC.
+ *
+ * - Polynomial: x^32 + x^28 + x^27 + x^26 + x^25 + x^23 + x^22 + x^20 + x^19 +
+ *		 x^18 + x^14 + x^13 + x^11 + x^10 + x^9 + x^8 + x^6 + x^0
+ * - Bit order: Least-significant-bit-first
+ * - Polynomial in integer form: 0x82f63b78
+ *
+ * This does *not* invert the CRC at the beginning or end.  The caller is
+ * expected to do that if it needs to.  Inverting at both ends is recommended.
+ *
+ * Context: Any context
+ * Return: The new CRC value
+ */
+u32 crc32c(u32 crc, const void *p, size_t len);
 
 /*
  * crc32_optimizations() returns flags that indicate which CRC32 library
@@ -48,33 +96,6 @@ u32 crc32_optimizations(void);
 static inline u32 crc32_optimizations(void) { return 0; }
 #endif
 
-/**
- * crc32_le_combine - Combine two crc32 check values into one. For two
- * 		      sequences of bytes, seq1 and seq2 with lengths len1
- * 		      and len2, crc32_le() check values were calculated
- * 		      for each, crc1 and crc2.
- *
- * @crc1: crc32 of the first block
- * @crc2: crc32 of the second block
- * @len2: length of the second block
- *
- * Return: The crc32_le() check value of seq1 and seq2 concatenated,
- * 	   requiring only crc1, crc2, and len2. Note: If seq_full denotes
- * 	   the concatenated memory area of seq1 with seq2, and crc_full
- * 	   the crc32_le() value of seq_full, then crc_full ==
- * 	   crc32_le_combine(crc1, crc2, len2) when crc_full was seeded
- * 	   with the same initializer as crc1, and crc2 seed was 0. See
- * 	   also crc32_combine_test().
- */
-u32 crc32_le_shift(u32 crc, size_t len);
-
-static inline u32 crc32_le_combine(u32 crc1, u32 crc2, size_t len2)
-{
-	return crc32_le_shift(crc1, len2) ^ crc2;
-}
-
-#define crc32(seed, data, length)  crc32_le(seed, (unsigned char const *)(data), length)
-
 /*
  * Helpers for hash table generation of ethernet nics:
  *
diff --git a/include/linux/crc32poly.h b/include/linux/crc32poly.h
index 62c4b7790a28..ccab711295fa 100644
--- a/include/linux/crc32poly.h
+++ b/include/linux/crc32poly.h
@@ -2,19 +2,13 @@
 #ifndef _LINUX_CRC32_POLY_H
 #define _LINUX_CRC32_POLY_H
 
-/*
- * There are multiple 16-bit CRC polynomials in common use, but this is
- * *the* standard CRC-32 polynomial, first popularized by Ethernet.
- * x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x^1+x^0
- */
+/* The polynomial used by crc32_le(), in integer form.  See crc32_le(). */
 #define CRC32_POLY_LE 0xedb88320
+
+/* The polynomial used by crc32_be(), in integer form.  See crc32_be(). */
 #define CRC32_POLY_BE 0x04c11db7
 
-/*
- * This is the CRC32c polynomial, as outlined by Castagnoli.
- * x^32+x^28+x^27+x^26+x^25+x^23+x^22+x^20+x^19+x^18+x^14+x^13+x^11+x^10+x^9+
- * x^8+x^6+x^0
- */
-#define CRC32C_POLY_LE 0x82F63B78
+/* The polynomial used by crc32c(), in integer form.  See crc32c(). */
+#define CRC32C_POLY_LE 0x82f63b78
 
 #endif /* _LINUX_CRC32_POLY_H */
diff --git a/include/linux/crc64.h b/include/linux/crc64.h
index 41de30b907df..fc0c06ab1993 100644
--- a/include/linux/crc64.h
+++ b/include/linux/crc64.h
@@ -1,17 +1,9 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/*
- * See lib/crc64.c for the related specification and polynomial arithmetic.
- */
 #ifndef _LINUX_CRC64_H
 #define _LINUX_CRC64_H
 
 #include <linux/types.h>
 
-u64 crc64_be_arch(u64 crc, const u8 *p, size_t len);
-u64 crc64_be_generic(u64 crc, const u8 *p, size_t len);
-u64 crc64_nvme_arch(u64 crc, const u8 *p, size_t len);
-u64 crc64_nvme_generic(u64 crc, const u8 *p, size_t len);
-
 /**
  * crc64_be - Calculate bitwise big-endian ECMA-182 CRC64
  * @crc: seed value for computation. 0 or (u64)~0 for a new CRC calculation,
@@ -19,12 +11,7 @@ u64 crc64_nvme_generic(u64 crc, const u8 *p, size_t len);
  * @p: pointer to buffer over which CRC64 is run
  * @len: length of buffer @p
  */
-static inline u64 crc64_be(u64 crc, const void *p, size_t len)
-{
-	if (IS_ENABLED(CONFIG_CRC64_ARCH))
-		return crc64_be_arch(crc, p, len);
-	return crc64_be_generic(crc, p, len);
-}
+u64 crc64_be(u64 crc, const void *p, size_t len);
 
 /**
  * crc64_nvme - Calculate CRC64-NVME
@@ -36,11 +23,6 @@ static inline u64 crc64_be(u64 crc, const void *p, size_t len)
  * This computes the CRC64 defined in the NVME NVM Command Set Specification,
  * *including the bitwise inversion at the beginning and end*.
  */
-static inline u64 crc64_nvme(u64 crc, const void *p, size_t len)
-{
-	if (IS_ENABLED(CONFIG_CRC64_ARCH))
-		return ~crc64_nvme_arch(~crc, p, len);
-	return ~crc64_nvme_generic(~crc, p, len);
-}
+u64 crc64_nvme(u64 crc, const void *p, size_t len);
 
 #endif /* _LINUX_CRC64_H */
diff --git a/lib/Kconfig b/lib/Kconfig
index 37db228f70a9..c483951b624f 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -136,95 +136,9 @@ config TRACE_MMIO_ACCESS
 	  Create tracepoints for MMIO read/write operations. These trace events
 	  can be used for logging all MMIO read/write operations.
 
+source "lib/crc/Kconfig"
 source "lib/crypto/Kconfig"
 
-config CRC_CCITT
-	tristate
-	help
-	  The CRC-CCITT library functions.  Select this if your module uses any
-	  of the functions from <linux/crc-ccitt.h>.
-
-config CRC16
-	tristate
-	help
-	  The CRC16 library functions.  Select this if your module uses any of
-	  the functions from <linux/crc16.h>.
-
-config CRC_T10DIF
-	tristate
-	help
-	  The CRC-T10DIF library functions.  Select this if your module uses
-	  any of the functions from <linux/crc-t10dif.h>.
-
-config ARCH_HAS_CRC_T10DIF
-	bool
-
-config CRC_T10DIF_ARCH
-	tristate
-	default CRC_T10DIF if ARCH_HAS_CRC_T10DIF && CRC_OPTIMIZATIONS
-
-config CRC_ITU_T
-	tristate
-	help
-	  The CRC-ITU-T library functions.  Select this if your module uses
-	  any of the functions from <linux/crc-itu-t.h>.
-
-config CRC32
-	tristate
-	select BITREVERSE
-	help
-	  The CRC32 library functions.  Select this if your module uses any of
-	  the functions from <linux/crc32.h> or <linux/crc32c.h>.
-
-config ARCH_HAS_CRC32
-	bool
-
-config CRC32_ARCH
-	tristate
-	default CRC32 if ARCH_HAS_CRC32 && CRC_OPTIMIZATIONS
-
-config CRC64
-	tristate
-	help
-	  The CRC64 library functions.  Select this if your module uses any of
-	  the functions from <linux/crc64.h>.
-
-config ARCH_HAS_CRC64
-	bool
-
-config CRC64_ARCH
-	tristate
-	default CRC64 if ARCH_HAS_CRC64 && CRC_OPTIMIZATIONS
-
-config CRC4
-	tristate
-	help
-	  The CRC4 library functions.  Select this if your module uses any of
-	  the functions from <linux/crc4.h>.
-
-config CRC7
-	tristate
-	help
-	  The CRC7 library functions.  Select this if your module uses any of
-	  the functions from <linux/crc7.h>.
-
-config CRC8
-	tristate
-	help
-	  The CRC8 library functions.  Select this if your module uses any of
-	  the functions from <linux/crc8.h>.
-
-config CRC_OPTIMIZATIONS
-	bool "Enable optimized CRC implementations" if EXPERT
-	default y
-	help
-	  Disabling this option reduces code size slightly by disabling the
-	  architecture-optimized implementations of any CRC variants that are
-	  enabled.  CRC checksumming performance may get much slower.
-
-	  Keep this enabled unless you're really trying to minimize the size of
-	  the kernel.
-
 config XXHASH
 	tristate
 
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 087beae1e8fb..8d969b250b18 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -2910,27 +2910,6 @@ config HW_BREAKPOINT_KUNIT_TEST
 
 	  If unsure, say N.
 
-config CRC_KUNIT_TEST
-	tristate "KUnit tests for CRC functions" if !KUNIT_ALL_TESTS
-	depends on KUNIT
-	default KUNIT_ALL_TESTS
-	select CRC7
-	select CRC16
-	select CRC_T10DIF
-	select CRC32
-	select CRC64
-	help
-	  Unit tests for the CRC library functions.
-
-	  This is intended to help people writing architecture-specific
-	  optimized versions.  If unsure, say N.
-
-config CRC_BENCHMARK
-	bool "Benchmark for the CRC functions"
-	depends on CRC_KUNIT_TEST
-	help
-	  Include benchmarks in the KUnit test suite for the CRC functions.
-
 config SIPHASH_KUNIT_TEST
 	tristate "Perform selftest on siphash functions" if !KUNIT_ALL_TESTS
 	depends on KUNIT
diff --git a/lib/Makefile b/lib/Makefile
index 632e69d25feb..06b954473222 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -122,7 +122,7 @@ endif
 obj-$(CONFIG_DEBUG_INFO_REDUCED) += debug_info.o
 CFLAGS_debug_info.o += $(call cc-option, -femit-struct-debug-detailed=any)
 
-obj-y += math/ crypto/ tests/ vdso/
+obj-y += math/ crc/ crypto/ tests/ vdso/
 
 obj-$(CONFIG_GENERIC_IOMAP) += iomap.o
 obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
@@ -148,15 +148,6 @@ obj-$(CONFIG_BITREVERSE) += bitrev.o
 obj-$(CONFIG_LINEAR_RANGES) += linear_ranges.o
 obj-$(CONFIG_PACKING)	+= packing.o
 obj-$(CONFIG_PACKING_KUNIT_TEST) += packing_test.o
-obj-$(CONFIG_CRC_CCITT)	+= crc-ccitt.o
-obj-$(CONFIG_CRC16)	+= crc16.o
-obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o
-obj-$(CONFIG_CRC_ITU_T)	+= crc-itu-t.o
-obj-$(CONFIG_CRC32)	+= crc32.o
-obj-$(CONFIG_CRC64)     += crc64.o
-obj-$(CONFIG_CRC4)	+= crc4.o
-obj-$(CONFIG_CRC7)	+= crc7.o
-obj-$(CONFIG_CRC8)	+= crc8.o
 obj-$(CONFIG_XXHASH)	+= xxhash.o
 obj-$(CONFIG_GENERIC_ALLOCATOR) += genalloc.o
 
@@ -294,27 +285,6 @@ obj-$(CONFIG_ASN1_ENCODER) += asn1_encoder.o
 
 obj-$(CONFIG_FONT_SUPPORT) += fonts/
 
-hostprogs	:= gen_crc32table
-hostprogs	+= gen_crc64table
-clean-files	:= crc32table.h
-clean-files	+= crc64table.h
-
-$(obj)/crc32.o: $(obj)/crc32table.h
-
-quiet_cmd_crc32 = GEN     $@
-      cmd_crc32 = $< > $@
-
-$(obj)/crc32table.h: $(obj)/gen_crc32table
-	$(call cmd,crc32)
-
-$(obj)/crc64.o: $(obj)/crc64table.h
-
-quiet_cmd_crc64 = GEN     $@
-      cmd_crc64 = $< > $@
-
-$(obj)/crc64table.h: $(obj)/gen_crc64table
-	$(call cmd,crc64)
-
 #
 # Build a fast OID lookip registry from include/linux/oid_registry.h
 #
diff --git a/lib/crc/.gitignore b/lib/crc/.gitignore
new file mode 100644
index 000000000000..a9e48103c9fb
--- /dev/null
+++ b/lib/crc/.gitignore
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+/crc32table.h
+/crc64table.h
+/gen_crc32table
+/gen_crc64table
diff --git a/lib/crc/Kconfig b/lib/crc/Kconfig
new file mode 100644
index 000000000000..70e7a6016de3
--- /dev/null
+++ b/lib/crc/Kconfig
@@ -0,0 +1,119 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+# Kconfig for the kernel's cyclic redundancy check (CRC) library code
+
+config CRC4
+	tristate
+	help
+	  The CRC4 library functions.  Select this if your module uses any of
+	  the functions from <linux/crc4.h>.
+
+config CRC7
+	tristate
+	help
+	  The CRC7 library functions.  Select this if your module uses any of
+	  the functions from <linux/crc7.h>.
+
+config CRC8
+	tristate
+	help
+	  The CRC8 library functions.  Select this if your module uses any of
+	  the functions from <linux/crc8.h>.
+
+config CRC16
+	tristate
+	help
+	  The CRC16 library functions.  Select this if your module uses any of
+	  the functions from <linux/crc16.h>.
+
+config CRC_CCITT
+	tristate
+	help
+	  The CRC-CCITT library functions.  Select this if your module uses any
+	  of the functions from <linux/crc-ccitt.h>.
+
+config CRC_ITU_T
+	tristate
+	help
+	  The CRC-ITU-T library functions.  Select this if your module uses
+	  any of the functions from <linux/crc-itu-t.h>.
+
+config CRC_T10DIF
+	tristate
+	help
+	  The CRC-T10DIF library functions.  Select this if your module uses
+	  any of the functions from <linux/crc-t10dif.h>.
+
+config CRC_T10DIF_ARCH
+	bool
+	depends on CRC_T10DIF && CRC_OPTIMIZATIONS
+	default y if ARM && KERNEL_MODE_NEON
+	default y if ARM64 && KERNEL_MODE_NEON
+	default y if PPC64 && ALTIVEC
+	default y if RISCV && RISCV_ISA_ZBC
+	default y if X86
+
+config CRC32
+	tristate
+	select BITREVERSE
+	help
+	  The CRC32 library functions.  Select this if your module uses any of
+	  the functions from <linux/crc32.h> or <linux/crc32c.h>.
+
+config CRC32_ARCH
+	bool
+	depends on CRC32 && CRC_OPTIMIZATIONS
+	default y if ARM && KERNEL_MODE_NEON
+	default y if ARM64
+	default y if LOONGARCH
+	default y if MIPS && CPU_MIPSR6
+	default y if PPC64 && ALTIVEC
+	default y if RISCV && RISCV_ISA_ZBC
+	default y if S390
+	default y if SPARC64
+	default y if X86
+
+config CRC64
+	tristate
+	help
+	  The CRC64 library functions.  Select this if your module uses any of
+	  the functions from <linux/crc64.h>.
+
+config CRC64_ARCH
+	bool
+	depends on CRC64 && CRC_OPTIMIZATIONS
+	default y if RISCV && RISCV_ISA_ZBC && 64BIT
+	default y if X86_64
+
+config CRC_OPTIMIZATIONS
+	bool "Enable optimized CRC implementations" if EXPERT
+	depends on !UML
+	default y
+	help
+	  Disabling this option reduces code size slightly by disabling the
+	  architecture-optimized implementations of any CRC variants that are
+	  enabled.  CRC checksumming performance may get much slower.
+
+	  Keep this enabled unless you're really trying to minimize the size of
+	  the kernel.
+
+config CRC_KUNIT_TEST
+	tristate "KUnit tests for CRC functions" if !KUNIT_ALL_TESTS
+	depends on KUNIT
+	default KUNIT_ALL_TESTS
+	select CRC7
+	select CRC16
+	select CRC_T10DIF
+	select CRC32
+	select CRC64
+	help
+	  Unit tests for the CRC library functions.
+
+	  This is intended to help people writing architecture-specific
+	  optimized versions.  If unsure, say N.
+
+config CRC_BENCHMARK
+	bool "Benchmark for the CRC functions"
+	depends on CRC_KUNIT_TEST
+	help
+	  Include benchmarks in the KUnit test suite for the CRC functions.
diff --git a/lib/crc/Makefile b/lib/crc/Makefile
new file mode 100644
index 000000000000..7543ad295ab6
--- /dev/null
+++ b/lib/crc/Makefile
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+# Makefile for the kernel's cyclic redundancy check (CRC) library code
+
+obj-$(CONFIG_CRC4) += crc4.o
+obj-$(CONFIG_CRC7) += crc7.o
+obj-$(CONFIG_CRC8) += crc8.o
+obj-$(CONFIG_CRC16) += crc16.o
+obj-$(CONFIG_CRC_CCITT) += crc-ccitt.o
+obj-$(CONFIG_CRC_ITU_T) += crc-itu-t.o
+
+obj-$(CONFIG_CRC_T10DIF) += crc-t10dif.o
+crc-t10dif-y := crc-t10dif-main.o
+ifeq ($(CONFIG_CRC_T10DIF_ARCH),y)
+CFLAGS_crc-t10dif-main.o += -I$(src)/$(SRCARCH)
+crc-t10dif-$(CONFIG_ARM) += arm/crc-t10dif-core.o
+crc-t10dif-$(CONFIG_ARM64) += arm64/crc-t10dif-core.o
+crc-t10dif-$(CONFIG_PPC) += powerpc/crct10dif-vpmsum_asm.o
+crc-t10dif-$(CONFIG_RISCV) += riscv/crc16_msb.o
+crc-t10dif-$(CONFIG_X86) += x86/crc16-msb-pclmul.o
+endif
+
+obj-$(CONFIG_CRC32) += crc32.o
+crc32-y := crc32-main.o
+ifeq ($(CONFIG_CRC32_ARCH),y)
+CFLAGS_crc32-main.o += -I$(src)/$(SRCARCH)
+crc32-$(CONFIG_ARM) += arm/crc32-core.o
+crc32-$(CONFIG_ARM64) += arm64/crc32-core.o
+crc32-$(CONFIG_PPC) += powerpc/crc32c-vpmsum_asm.o
+crc32-$(CONFIG_RISCV) += riscv/crc32_lsb.o riscv/crc32_msb.o
+crc32-$(CONFIG_S390) += s390/crc32le-vx.o s390/crc32be-vx.o
+crc32-$(CONFIG_SPARC) += sparc/crc32c_asm.o
+crc32-$(CONFIG_X86) += x86/crc32-pclmul.o
+crc32-$(CONFIG_X86_64) += x86/crc32c-3way.o
+endif
+
+obj-$(CONFIG_CRC64) += crc64.o
+crc64-y := crc64-main.o
+ifeq ($(CONFIG_CRC64_ARCH),y)
+CFLAGS_crc64-main.o += -I$(src)/$(SRCARCH)
+crc64-$(CONFIG_RISCV) += riscv/crc64_lsb.o riscv/crc64_msb.o
+crc64-$(CONFIG_X86) += x86/crc64-pclmul.o
+endif
+
+obj-y += tests/
+
+hostprogs := gen_crc32table gen_crc64table
+clean-files := crc32table.h crc64table.h
+
+$(obj)/crc32-main.o: $(obj)/crc32table.h
+$(obj)/crc64-main.o: $(obj)/crc64table.h
+
+quiet_cmd_crc32 = GEN     $@
+      cmd_crc32 = $< > $@
+
+quiet_cmd_crc64 = GEN     $@
+      cmd_crc64 = $< > $@
+
+$(obj)/crc32table.h: $(obj)/gen_crc32table
+	$(call cmd,crc32)
+
+$(obj)/crc64table.h: $(obj)/gen_crc64table
+	$(call cmd,crc64)
diff --git a/arch/arm/lib/crc-t10dif-core.S b/lib/crc/arm/crc-t10dif-core.S
index 2bbf2df9c1e2..2bbf2df9c1e2 100644
--- a/arch/arm/lib/crc-t10dif-core.S
+++ b/lib/crc/arm/crc-t10dif-core.S
diff --git a/arch/arm/lib/crc-t10dif.c b/lib/crc/arm/crc-t10dif.h
index 1093f8ec13b0..2edf7e9681d0 100644
--- a/arch/arm/lib/crc-t10dif.c
+++ b/lib/crc/arm/crc-t10dif.h
@@ -5,12 +5,6 @@
  * Copyright (C) 2016 Linaro Ltd <ard.biesheuvel@linaro.org>
  */
 
-#include <linux/crc-t10dif.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/string.h>
-
 #include <crypto/internal/simd.h>
 
 #include <asm/neon.h>
@@ -25,7 +19,7 @@ asmlinkage u16 crc_t10dif_pmull64(u16 init_crc, const u8 *buf, size_t len);
 asmlinkage void crc_t10dif_pmull8(u16 init_crc, const u8 *buf, size_t len,
 				  u8 out[16]);
 
-u16 crc_t10dif_arch(u16 crc, const u8 *data, size_t length)
+static inline u16 crc_t10dif_arch(u16 crc, const u8 *data, size_t length)
 {
 	if (length >= CRC_T10DIF_PMULL_CHUNK_SIZE) {
 		if (static_branch_likely(&have_pmull)) {
@@ -49,24 +43,13 @@ u16 crc_t10dif_arch(u16 crc, const u8 *data, size_t length)
 	}
 	return crc_t10dif_generic(crc, data, length);
 }
-EXPORT_SYMBOL(crc_t10dif_arch);
 
-static int __init crc_t10dif_arm_init(void)
+#define crc_t10dif_mod_init_arch crc_t10dif_mod_init_arch
+static inline void crc_t10dif_mod_init_arch(void)
 {
 	if (elf_hwcap & HWCAP_NEON) {
 		static_branch_enable(&have_neon);
 		if (elf_hwcap2 & HWCAP2_PMULL)
 			static_branch_enable(&have_pmull);
 	}
-	return 0;
 }
-subsys_initcall(crc_t10dif_arm_init);
-
-static void __exit crc_t10dif_arm_exit(void)
-{
-}
-module_exit(crc_t10dif_arm_exit);
-
-MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
-MODULE_DESCRIPTION("Accelerated CRC-T10DIF using ARM NEON and Crypto Extensions");
-MODULE_LICENSE("GPL v2");
diff --git a/arch/arm/lib/crc32-core.S b/lib/crc/arm/crc32-core.S
index 6f674f30c70b..6f674f30c70b 100644
--- a/arch/arm/lib/crc32-core.S
+++ b/lib/crc/arm/crc32-core.S
diff --git a/arch/arm/lib/crc32.c b/lib/crc/arm/crc32.h
index f2bef8849c7c..018007e162a2 100644
--- a/arch/arm/lib/crc32.c
+++ b/lib/crc/arm/crc32.h
@@ -6,11 +6,6 @@
  */
 
 #include <linux/cpufeature.h>
-#include <linux/crc32.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/string.h>
 
 #include <crypto/internal/simd.h>
 
@@ -29,14 +24,14 @@ asmlinkage u32 crc32_armv8_le(u32 init_crc, const u8 buf[], u32 len);
 asmlinkage u32 crc32c_pmull_le(const u8 buf[], u32 len, u32 init_crc);
 asmlinkage u32 crc32c_armv8_le(u32 init_crc, const u8 buf[], u32 len);
 
-static u32 crc32_le_scalar(u32 crc, const u8 *p, size_t len)
+static inline u32 crc32_le_scalar(u32 crc, const u8 *p, size_t len)
 {
 	if (static_branch_likely(&have_crc32))
 		return crc32_armv8_le(crc, p, len);
 	return crc32_le_base(crc, p, len);
 }
 
-u32 crc32_le_arch(u32 crc, const u8 *p, size_t len)
+static inline u32 crc32_le_arch(u32 crc, const u8 *p, size_t len)
 {
 	if (len >= PMULL_MIN_LEN + 15 &&
 	    static_branch_likely(&have_pmull) && crypto_simd_usable()) {
@@ -57,16 +52,15 @@ u32 crc32_le_arch(u32 crc, const u8 *p, size_t len)
 	}
 	return crc32_le_scalar(crc, p, len);
 }
-EXPORT_SYMBOL(crc32_le_arch);
 
-static u32 crc32c_scalar(u32 crc, const u8 *p, size_t len)
+static inline u32 crc32c_scalar(u32 crc, const u8 *p, size_t len)
 {
 	if (static_branch_likely(&have_crc32))
 		return crc32c_armv8_le(crc, p, len);
 	return crc32c_base(crc, p, len);
 }
 
-u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
+static inline u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
 {
 	if (len >= PMULL_MIN_LEN + 15 &&
 	    static_branch_likely(&have_pmull) && crypto_simd_usable()) {
@@ -87,37 +81,21 @@ u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
 	}
 	return crc32c_scalar(crc, p, len);
 }
-EXPORT_SYMBOL(crc32c_arch);
 
-u32 crc32_be_arch(u32 crc, const u8 *p, size_t len)
-{
-	return crc32_be_base(crc, p, len);
-}
-EXPORT_SYMBOL(crc32_be_arch);
+#define crc32_be_arch crc32_be_base /* not implemented on this arch */
 
-static int __init crc32_arm_init(void)
+#define crc32_mod_init_arch crc32_mod_init_arch
+static inline void crc32_mod_init_arch(void)
 {
 	if (elf_hwcap2 & HWCAP2_CRC32)
 		static_branch_enable(&have_crc32);
 	if (elf_hwcap2 & HWCAP2_PMULL)
 		static_branch_enable(&have_pmull);
-	return 0;
 }
-subsys_initcall(crc32_arm_init);
 
-static void __exit crc32_arm_exit(void)
-{
-}
-module_exit(crc32_arm_exit);
-
-u32 crc32_optimizations(void)
+static inline u32 crc32_optimizations_arch(void)
 {
 	if (elf_hwcap2 & (HWCAP2_CRC32 | HWCAP2_PMULL))
 		return CRC32_LE_OPTIMIZATION | CRC32C_OPTIMIZATION;
 	return 0;
 }
-EXPORT_SYMBOL(crc32_optimizations);
-
-MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
-MODULE_DESCRIPTION("Accelerated CRC32(C) using ARM CRC, NEON and Crypto Extensions");
-MODULE_LICENSE("GPL v2");
diff --git a/arch/arm64/lib/crc-t10dif-core.S b/lib/crc/arm64/crc-t10dif-core.S
index 87dd6d46224d..87dd6d46224d 100644
--- a/arch/arm64/lib/crc-t10dif-core.S
+++ b/lib/crc/arm64/crc-t10dif-core.S
diff --git a/arch/arm64/lib/crc-t10dif.c b/lib/crc/arm64/crc-t10dif.h
index c2ffe4fdb59d..c4521a7f1ee9 100644
--- a/arch/arm64/lib/crc-t10dif.c
+++ b/lib/crc/arm64/crc-t10dif.h
@@ -6,11 +6,6 @@
  */
 
 #include <linux/cpufeature.h>
-#include <linux/crc-t10dif.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/string.h>
 
 #include <crypto/internal/simd.h>
 
@@ -26,7 +21,7 @@ asmlinkage void crc_t10dif_pmull_p8(u16 init_crc, const u8 *buf, size_t len,
 				    u8 out[16]);
 asmlinkage u16 crc_t10dif_pmull_p64(u16 init_crc, const u8 *buf, size_t len);
 
-u16 crc_t10dif_arch(u16 crc, const u8 *data, size_t length)
+static inline u16 crc_t10dif_arch(u16 crc, const u8 *data, size_t length)
 {
 	if (length >= CRC_T10DIF_PMULL_CHUNK_SIZE) {
 		if (static_branch_likely(&have_pmull)) {
@@ -50,24 +45,13 @@ u16 crc_t10dif_arch(u16 crc, const u8 *data, size_t length)
 	}
 	return crc_t10dif_generic(crc, data, length);
 }
-EXPORT_SYMBOL(crc_t10dif_arch);
 
-static int __init crc_t10dif_arm64_init(void)
+#define crc_t10dif_mod_init_arch crc_t10dif_mod_init_arch
+static inline void crc_t10dif_mod_init_arch(void)
 {
 	if (cpu_have_named_feature(ASIMD)) {
 		static_branch_enable(&have_asimd);
 		if (cpu_have_named_feature(PMULL))
 			static_branch_enable(&have_pmull);
 	}
-	return 0;
 }
-subsys_initcall(crc_t10dif_arm64_init);
-
-static void __exit crc_t10dif_arm64_exit(void)
-{
-}
-module_exit(crc_t10dif_arm64_exit);
-
-MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
-MODULE_DESCRIPTION("CRC-T10DIF using arm64 NEON and Crypto Extensions");
-MODULE_LICENSE("GPL v2");
diff --git a/arch/arm64/lib/crc32-core.S b/lib/crc/arm64/crc32-core.S
index 68825317460f..68825317460f 100644
--- a/arch/arm64/lib/crc32-core.S
+++ b/lib/crc/arm64/crc32-core.S
diff --git a/arch/arm64/lib/crc32.c b/lib/crc/arm64/crc32.h
index ed3acd71178f..6e5dec45f05d 100644
--- a/arch/arm64/lib/crc32.c
+++ b/lib/crc/arm64/crc32.h
@@ -1,9 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0-only
 
-#include <linux/crc32.h>
-#include <linux/linkage.h>
-#include <linux/module.h>
-
 #include <asm/alternative.h>
 #include <asm/cpufeature.h>
 #include <asm/neon.h>
@@ -22,7 +18,7 @@ asmlinkage u32 crc32_le_arm64_4way(u32 crc, unsigned char const *p, size_t len);
 asmlinkage u32 crc32c_le_arm64_4way(u32 crc, unsigned char const *p, size_t len);
 asmlinkage u32 crc32_be_arm64_4way(u32 crc, unsigned char const *p, size_t len);
 
-u32 crc32_le_arch(u32 crc, const u8 *p, size_t len)
+static inline u32 crc32_le_arch(u32 crc, const u8 *p, size_t len)
 {
 	if (!alternative_has_cap_likely(ARM64_HAS_CRC32))
 		return crc32_le_base(crc, p, len);
@@ -41,9 +37,8 @@ u32 crc32_le_arch(u32 crc, const u8 *p, size_t len)
 
 	return crc32_le_arm64(crc, p, len);
 }
-EXPORT_SYMBOL(crc32_le_arch);
 
-u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
+static inline u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
 {
 	if (!alternative_has_cap_likely(ARM64_HAS_CRC32))
 		return crc32c_base(crc, p, len);
@@ -62,9 +57,8 @@ u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
 
 	return crc32c_le_arm64(crc, p, len);
 }
-EXPORT_SYMBOL(crc32c_arch);
 
-u32 crc32_be_arch(u32 crc, const u8 *p, size_t len)
+static inline u32 crc32_be_arch(u32 crc, const u8 *p, size_t len)
 {
 	if (!alternative_has_cap_likely(ARM64_HAS_CRC32))
 		return crc32_be_base(crc, p, len);
@@ -83,9 +77,8 @@ u32 crc32_be_arch(u32 crc, const u8 *p, size_t len)
 
 	return crc32_be_arm64(crc, p, len);
 }
-EXPORT_SYMBOL(crc32_be_arch);
 
-u32 crc32_optimizations(void)
+static inline u32 crc32_optimizations_arch(void)
 {
 	if (alternative_has_cap_likely(ARM64_HAS_CRC32))
 		return CRC32_LE_OPTIMIZATION |
@@ -93,7 +86,3 @@ u32 crc32_optimizations(void)
 		       CRC32C_OPTIMIZATION;
 	return 0;
 }
-EXPORT_SYMBOL(crc32_optimizations);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("arm64-optimized CRC32 functions");
diff --git a/lib/crc-ccitt.c b/lib/crc/crc-ccitt.c
index 9cddf35d3b66..f8692c3de101 100644
--- a/lib/crc-ccitt.c
+++ b/lib/crc/crc-ccitt.c
@@ -1,11 +1,9 @@
 // SPDX-License-Identifier: GPL-2.0-only
-/*
- *	linux/lib/crc-ccitt.c
- */
 
-#include <linux/types.h>
-#include <linux/module.h>
 #include <linux/crc-ccitt.h>
+#include <linux/export.h>
+#include <linux/module.h>
+#include <linux/types.h>
 
 /*
  * This mysterious table is just the CRC of each possible byte. It can be
diff --git a/lib/crc-itu-t.c b/lib/crc/crc-itu-t.c
index 1d26a1647da5..6e413a290f54 100644
--- a/lib/crc-itu-t.c
+++ b/lib/crc/crc-itu-t.c
@@ -3,9 +3,10 @@
  *      crc-itu-t.c
  */
 
-#include <linux/types.h>
-#include <linux/module.h>
 #include <linux/crc-itu-t.h>
+#include <linux/export.h>
+#include <linux/module.h>
+#include <linux/types.h>
 
 /* CRC table for the CRC ITU-T V.41 0x1021 (x^16 + x^12 + x^5 + 1) */
 const u16 crc_itu_t_table[256] = {
diff --git a/lib/crc-t10dif.c b/lib/crc/crc-t10dif-main.c
index 311c2ab829f1..08dde238e89f 100644
--- a/lib/crc-t10dif.c
+++ b/lib/crc/crc-t10dif-main.c
@@ -6,9 +6,10 @@
  * Written by Martin K. Petersen <martin.petersen@oracle.com>
  */
 
-#include <linux/types.h>
-#include <linux/module.h>
 #include <linux/crc-t10dif.h>
+#include <linux/export.h>
+#include <linux/module.h>
+#include <linux/types.h>
 
 /*
  * Table generated using the following polynomial:
@@ -50,16 +51,39 @@ static const u16 t10_dif_crc_table[256] = {
 	0xF0D8, 0x7B6F, 0x6C01, 0xE7B6, 0x42DD, 0xC96A, 0xDE04, 0x55B3
 };
 
-u16 crc_t10dif_generic(u16 crc, const u8 *p, size_t len)
+static inline u16 __maybe_unused
+crc_t10dif_generic(u16 crc, const u8 *p, size_t len)
 {
-	size_t i;
+	while (len--)
+		crc = (crc << 8) ^ t10_dif_crc_table[(crc >> 8) ^ *p++];
+	return crc;
+}
 
-	for (i = 0; i < len; i++)
-		crc = (crc << 8) ^ t10_dif_crc_table[(crc >> 8) ^ p[i]];
+#ifdef CONFIG_CRC_T10DIF_ARCH
+#include "crc-t10dif.h" /* $(SRCARCH)/crc-t10dif.h */
+#else
+#define crc_t10dif_arch crc_t10dif_generic
+#endif
 
-	return crc;
+u16 crc_t10dif_update(u16 crc, const u8 *p, size_t len)
+{
+	return crc_t10dif_arch(crc, p, len);
+}
+EXPORT_SYMBOL(crc_t10dif_update);
+
+#ifdef crc_t10dif_mod_init_arch
+static int __init crc_t10dif_mod_init(void)
+{
+	crc_t10dif_mod_init_arch();
+	return 0;
+}
+subsys_initcall(crc_t10dif_mod_init);
+
+static void __exit crc_t10dif_mod_exit(void)
+{
 }
-EXPORT_SYMBOL(crc_t10dif_generic);
+module_exit(crc_t10dif_mod_exit);
+#endif
 
-MODULE_DESCRIPTION("T10 DIF CRC calculation");
+MODULE_DESCRIPTION("CRC-T10DIF library functions");
 MODULE_LICENSE("GPL");
diff --git a/lib/crc16.c b/lib/crc/crc16.c
index 9c71eda9bf4b..931660a8cbaa 100644
--- a/lib/crc16.c
+++ b/lib/crc/crc16.c
@@ -3,9 +3,10 @@
  *      crc16.c
  */
 
-#include <linux/types.h>
-#include <linux/module.h>
 #include <linux/crc16.h>
+#include <linux/export.h>
+#include <linux/module.h>
+#include <linux/types.h>
 
 /** CRC table for the CRC-16. The poly is 0x8005 (x^16 + x^15 + x^2 + 1) */
 static const u16 crc16_table[256] = {
diff --git a/lib/crc/crc32-main.c b/lib/crc/crc32-main.c
new file mode 100644
index 000000000000..fbb90c9006e5
--- /dev/null
+++ b/lib/crc/crc32-main.c
@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Aug 8, 2011 Bob Pearson with help from Joakim Tjernlund and George Spelvin
+ * cleaned up code to current version of sparse and added the slicing-by-8
+ * algorithm to the closely similar existing slicing-by-4 algorithm.
+ *
+ * Oct 15, 2000 Matt Domsch <Matt_Domsch@dell.com>
+ * Nicer crc32 functions/docs submitted by linux@horizon.com.  Thanks!
+ * Code was from the public domain, copyright abandoned.  Code was
+ * subsequently included in the kernel, thus was re-licensed under the
+ * GNU GPL v2.
+ *
+ * Oct 12, 2000 Matt Domsch <Matt_Domsch@dell.com>
+ * Same crc32 function was used in 5 other places in the kernel.
+ * I made one version, and deleted the others.
+ * There are various incantations of crc32().  Some use a seed of 0 or ~0.
+ * Some xor at the end with ~0.  The generic crc32() function takes
+ * seed as an argument, and doesn't xor at the end.  Then individual
+ * users can do whatever they need.
+ *   drivers/net/smc9194.c uses seed ~0, doesn't xor with ~0.
+ *   fs/jffs2 uses seed 0, doesn't xor with ~0.
+ *   fs/partitions/efi.c uses seed ~0, xor's with ~0.
+ */
+
+/* see: Documentation/staging/crc32.rst for a description of algorithms */
+
+#include <linux/crc32.h>
+#include <linux/export.h>
+#include <linux/module.h>
+#include <linux/types.h>
+
+#include "crc32table.h"
+
+static inline u32 __maybe_unused
+crc32_le_base(u32 crc, const u8 *p, size_t len)
+{
+	while (len--)
+		crc = (crc >> 8) ^ crc32table_le[(crc & 255) ^ *p++];
+	return crc;
+}
+
+static inline u32 __maybe_unused
+crc32_be_base(u32 crc, const u8 *p, size_t len)
+{
+	while (len--)
+		crc = (crc << 8) ^ crc32table_be[(crc >> 24) ^ *p++];
+	return crc;
+}
+
+static inline u32 __maybe_unused
+crc32c_base(u32 crc, const u8 *p, size_t len)
+{
+	while (len--)
+		crc = (crc >> 8) ^ crc32ctable_le[(crc & 255) ^ *p++];
+	return crc;
+}
+
+#ifdef CONFIG_CRC32_ARCH
+#include "crc32.h" /* $(SRCARCH)/crc32.h */
+
+u32 crc32_optimizations(void)
+{
+	return crc32_optimizations_arch();
+}
+EXPORT_SYMBOL(crc32_optimizations);
+#else
+#define crc32_le_arch crc32_le_base
+#define crc32_be_arch crc32_be_base
+#define crc32c_arch crc32c_base
+#endif
+
+u32 crc32_le(u32 crc, const void *p, size_t len)
+{
+	return crc32_le_arch(crc, p, len);
+}
+EXPORT_SYMBOL(crc32_le);
+
+u32 crc32_be(u32 crc, const void *p, size_t len)
+{
+	return crc32_be_arch(crc, p, len);
+}
+EXPORT_SYMBOL(crc32_be);
+
+u32 crc32c(u32 crc, const void *p, size_t len)
+{
+	return crc32c_arch(crc, p, len);
+}
+EXPORT_SYMBOL(crc32c);
+
+#ifdef crc32_mod_init_arch
+static int __init crc32_mod_init(void)
+{
+	crc32_mod_init_arch();
+	return 0;
+}
+subsys_initcall(crc32_mod_init);
+
+static void __exit crc32_mod_exit(void)
+{
+}
+module_exit(crc32_mod_exit);
+#endif
+
+MODULE_DESCRIPTION("CRC32 library functions");
+MODULE_LICENSE("GPL");
diff --git a/lib/crc4.c b/lib/crc/crc4.c
index e7e1779c67d9..8e83fbe60bdc 100644
--- a/lib/crc4.c
+++ b/lib/crc/crc4.c
@@ -4,6 +4,7 @@
  */
 
 #include <linux/crc4.h>
+#include <linux/export.h>
 #include <linux/module.h>
 
 static const uint8_t crc4_tab[] = {
diff --git a/lib/crc64.c b/lib/crc/crc64-main.c
index 5b1b17057f0a..1337036010fe 100644
--- a/lib/crc64.c
+++ b/lib/crc/crc64-main.c
@@ -33,26 +33,61 @@
  *   Author: Coly Li <colyli@suse.de>
  */
 
+#include <linux/crc64.h>
+#include <linux/export.h>
 #include <linux/module.h>
 #include <linux/types.h>
-#include <linux/crc64.h>
-#include "crc64table.h"
 
-MODULE_DESCRIPTION("CRC64 calculations");
-MODULE_LICENSE("GPL v2");
+#include "crc64table.h"
 
-u64 crc64_be_generic(u64 crc, const u8 *p, size_t len)
+static inline u64 __maybe_unused
+crc64_be_generic(u64 crc, const u8 *p, size_t len)
 {
 	while (len--)
 		crc = (crc << 8) ^ crc64table[(crc >> 56) ^ *p++];
 	return crc;
 }
-EXPORT_SYMBOL_GPL(crc64_be_generic);
 
-u64 crc64_nvme_generic(u64 crc, const u8 *p, size_t len)
+static inline u64 __maybe_unused
+crc64_nvme_generic(u64 crc, const u8 *p, size_t len)
 {
 	while (len--)
 		crc = (crc >> 8) ^ crc64nvmetable[(crc & 0xff) ^ *p++];
 	return crc;
 }
-EXPORT_SYMBOL_GPL(crc64_nvme_generic);
+
+#ifdef CONFIG_CRC64_ARCH
+#include "crc64.h" /* $(SRCARCH)/crc64.h */
+#else
+#define crc64_be_arch crc64_be_generic
+#define crc64_nvme_arch crc64_nvme_generic
+#endif
+
+u64 crc64_be(u64 crc, const void *p, size_t len)
+{
+	return crc64_be_arch(crc, p, len);
+}
+EXPORT_SYMBOL_GPL(crc64_be);
+
+u64 crc64_nvme(u64 crc, const void *p, size_t len)
+{
+	return ~crc64_nvme_arch(~crc, p, len);
+}
+EXPORT_SYMBOL_GPL(crc64_nvme);
+
+#ifdef crc64_mod_init_arch
+static int __init crc64_mod_init(void)
+{
+	crc64_mod_init_arch();
+	return 0;
+}
+subsys_initcall(crc64_mod_init);
+
+static void __exit crc64_mod_exit(void)
+{
+}
+module_exit(crc64_mod_exit);
+#endif
+
+MODULE_DESCRIPTION("CRC64 library functions");
+MODULE_LICENSE("GPL");
diff --git a/lib/crc7.c b/lib/crc/crc7.c
index 8dd991cc6114..46b95d7ac6ce 100644
--- a/lib/crc7.c
+++ b/lib/crc/crc7.c
@@ -3,9 +3,10 @@
  *      crc7.c
  */
 
-#include <linux/types.h>
-#include <linux/module.h>
 #include <linux/crc7.h>
+#include <linux/export.h>
+#include <linux/module.h>
+#include <linux/types.h>
 
 /*
  * Table for CRC-7 (polynomial x^7 + x^3 + 1).
diff --git a/lib/crc8.c b/lib/crc/crc8.c
index 1ad8e501d9b6..329c52158c45 100644
--- a/lib/crc8.c
+++ b/lib/crc/crc8.c
@@ -16,8 +16,9 @@
 
 #define pr_fmt(fmt)		KBUILD_MODNAME ": " fmt
 
-#include <linux/module.h>
 #include <linux/crc8.h>
+#include <linux/export.h>
+#include <linux/module.h>
 #include <linux/printk.h>
 
 /**
diff --git a/lib/gen_crc32table.c b/lib/crc/gen_crc32table.c
index 6d03425b849e..9a7f31658e35 100644
--- a/lib/gen_crc32table.c
+++ b/lib/crc/gen_crc32table.c
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 #include <stdio.h>
-#include "../include/linux/crc32poly.h"
-#include "../include/generated/autoconf.h"
+#include "../../include/linux/crc32poly.h"
+#include "../../include/generated/autoconf.h"
 #include <inttypes.h>
 
 static uint32_t crc32table_le[256];
diff --git a/lib/gen_crc64table.c b/lib/crc/gen_crc64table.c
index e05a4230a0a0..f2be9f62bab7 100644
--- a/lib/gen_crc64table.c
+++ b/lib/crc/gen_crc64table.c
@@ -1,14 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Generate lookup table for the table-driven CRC64 calculation.
- *
- * gen_crc64table is executed in kernel build time and generates
- * lib/crc64table.h. This header is included by lib/crc64.c for
- * the table-driven CRC64 calculation.
- *
- * See lib/crc64.c for more information about which specification
- * and polynomial arithmetic that gen_crc64table.c follows to
- * generate the lookup table.
+ * This host program runs at kernel build time and generates the lookup tables
+ * used by the generic CRC64 code.
  *
  * Copyright 2018 SUSE Linux.
  *   Author: Coly Li <colyli@suse.de>
diff --git a/arch/loongarch/lib/crc32-loongarch.c b/lib/crc/loongarch/crc32.h
index db22c2ec55e2..6de5c96594af 100644
--- a/arch/loongarch/lib/crc32-loongarch.c
+++ b/lib/crc/loongarch/crc32.h
@@ -10,9 +10,6 @@
  */
 
 #include <asm/cpu-features.h>
-#include <linux/crc32.h>
-#include <linux/export.h>
-#include <linux/module.h>
 #include <linux/unaligned.h>
 
 #define _CRC32(crc, value, size, type)			\
@@ -29,7 +26,7 @@ do {							\
 
 static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_crc32);
 
-u32 crc32_le_arch(u32 crc, const u8 *p, size_t len)
+static inline u32 crc32_le_arch(u32 crc, const u8 *p, size_t len)
 {
 	if (!static_branch_likely(&have_crc32))
 		return crc32_le_base(crc, p, len);
@@ -64,9 +61,8 @@ u32 crc32_le_arch(u32 crc, const u8 *p, size_t len)
 
 	return crc;
 }
-EXPORT_SYMBOL(crc32_le_arch);
 
-u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
+static inline u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
 {
 	if (!static_branch_likely(&have_crc32))
 		return crc32c_base(crc, p, len);
@@ -101,36 +97,19 @@ u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
 
 	return crc;
 }
-EXPORT_SYMBOL(crc32c_arch);
 
-u32 crc32_be_arch(u32 crc, const u8 *p, size_t len)
-{
-	return crc32_be_base(crc, p, len);
-}
-EXPORT_SYMBOL(crc32_be_arch);
+#define crc32_be_arch crc32_be_base /* not implemented on this arch */
 
-static int __init crc32_loongarch_init(void)
+#define crc32_mod_init_arch crc32_mod_init_arch
+static inline void crc32_mod_init_arch(void)
 {
 	if (cpu_has_crc32)
 		static_branch_enable(&have_crc32);
-	return 0;
 }
-subsys_initcall(crc32_loongarch_init);
 
-static void __exit crc32_loongarch_exit(void)
-{
-}
-module_exit(crc32_loongarch_exit);
-
-u32 crc32_optimizations(void)
+static inline u32 crc32_optimizations_arch(void)
 {
 	if (static_key_enabled(&have_crc32))
 		return CRC32_LE_OPTIMIZATION | CRC32C_OPTIMIZATION;
 	return 0;
 }
-EXPORT_SYMBOL(crc32_optimizations);
-
-MODULE_AUTHOR("Min Zhou <zhoumin@loongson.cn>");
-MODULE_AUTHOR("Huacai Chen <chenhuacai@loongson.cn>");
-MODULE_DESCRIPTION("CRC32 and CRC32C using LoongArch crc* instructions");
-MODULE_LICENSE("GPL v2");
diff --git a/arch/mips/lib/crc32-mips.c b/lib/crc/mips/crc32.h
index 45e4d2c9fbf5..11cb272c63a6 100644
--- a/arch/mips/lib/crc32-mips.c
+++ b/lib/crc/mips/crc32.h
@@ -9,10 +9,6 @@
  */
 
 #include <linux/cpufeature.h>
-#include <linux/crc32.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
 #include <asm/mipsregs.h>
 #include <linux/unaligned.h>
 
@@ -64,7 +60,7 @@ do {							\
 
 static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_crc32);
 
-u32 crc32_le_arch(u32 crc, const u8 *p, size_t len)
+static inline u32 crc32_le_arch(u32 crc, const u8 *p, size_t len)
 {
 	if (!static_branch_likely(&have_crc32))
 		return crc32_le_base(crc, p, len);
@@ -106,9 +102,8 @@ u32 crc32_le_arch(u32 crc, const u8 *p, size_t len)
 
 	return crc;
 }
-EXPORT_SYMBOL(crc32_le_arch);
 
-u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
+static inline u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
 {
 	if (!static_branch_likely(&have_crc32))
 		return crc32c_base(crc, p, len);
@@ -149,35 +144,19 @@ u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
 	}
 	return crc;
 }
-EXPORT_SYMBOL(crc32c_arch);
 
-u32 crc32_be_arch(u32 crc, const u8 *p, size_t len)
-{
-	return crc32_be_base(crc, p, len);
-}
-EXPORT_SYMBOL(crc32_be_arch);
+#define crc32_be_arch crc32_be_base /* not implemented on this arch */
 
-static int __init crc32_mips_init(void)
+#define crc32_mod_init_arch crc32_mod_init_arch
+static inline void crc32_mod_init_arch(void)
 {
 	if (cpu_have_feature(cpu_feature(MIPS_CRC32)))
 		static_branch_enable(&have_crc32);
-	return 0;
 }
-subsys_initcall(crc32_mips_init);
 
-static void __exit crc32_mips_exit(void)
-{
-}
-module_exit(crc32_mips_exit);
-
-u32 crc32_optimizations(void)
+static inline u32 crc32_optimizations_arch(void)
 {
 	if (static_key_enabled(&have_crc32))
 		return CRC32_LE_OPTIMIZATION | CRC32C_OPTIMIZATION;
 	return 0;
 }
-EXPORT_SYMBOL(crc32_optimizations);
-
-MODULE_AUTHOR("Marcin Nowakowski <marcin.nowakowski@mips.com");
-MODULE_DESCRIPTION("CRC32 and CRC32C using optional MIPS instructions");
-MODULE_LICENSE("GPL v2");
diff --git a/arch/powerpc/lib/crc-t10dif.c b/lib/crc/powerpc/crc-t10dif.h
index be23ded3a9df..59e16804a6ea 100644
--- a/arch/powerpc/lib/crc-t10dif.c
+++ b/lib/crc/powerpc/crc-t10dif.h
@@ -9,10 +9,7 @@
 #include <asm/switch_to.h>
 #include <crypto/internal/simd.h>
 #include <linux/cpufeature.h>
-#include <linux/crc-t10dif.h>
 #include <linux/jump_label.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
 #include <linux/preempt.h>
 #include <linux/uaccess.h>
 
@@ -25,7 +22,7 @@ static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_vec_crypto);
 
 u32 __crct10dif_vpmsum(u32 crc, unsigned char const *p, size_t len);
 
-u16 crc_t10dif_arch(u16 crci, const u8 *p, size_t len)
+static inline u16 crc_t10dif_arch(u16 crci, const u8 *p, size_t len)
 {
 	unsigned int prealign;
 	unsigned int tail;
@@ -62,22 +59,11 @@ u16 crc_t10dif_arch(u16 crci, const u8 *p, size_t len)
 
 	return crc & 0xffff;
 }
-EXPORT_SYMBOL(crc_t10dif_arch);
 
-static int __init crc_t10dif_powerpc_init(void)
+#define crc_t10dif_mod_init_arch crc_t10dif_mod_init_arch
+static inline void crc_t10dif_mod_init_arch(void)
 {
 	if (cpu_has_feature(CPU_FTR_ARCH_207S) &&
 	    (cur_cpu_spec->cpu_user_features2 & PPC_FEATURE2_VEC_CRYPTO))
 		static_branch_enable(&have_vec_crypto);
-	return 0;
 }
-subsys_initcall(crc_t10dif_powerpc_init);
-
-static void __exit crc_t10dif_powerpc_exit(void)
-{
-}
-module_exit(crc_t10dif_powerpc_exit);
-
-MODULE_AUTHOR("Daniel Axtens <dja@axtens.net>");
-MODULE_DESCRIPTION("CRCT10DIF using vector polynomial multiply-sum instructions");
-MODULE_LICENSE("GPL");
diff --git a/arch/powerpc/lib/crc-vpmsum-template.S b/lib/crc/powerpc/crc-vpmsum-template.S
index b0f87f595b26..b0f87f595b26 100644
--- a/arch/powerpc/lib/crc-vpmsum-template.S
+++ b/lib/crc/powerpc/crc-vpmsum-template.S
diff --git a/arch/powerpc/lib/crc32.c b/lib/crc/powerpc/crc32.h
index 0d9befb6e7b8..811cc2e6ed24 100644
--- a/arch/powerpc/lib/crc32.c
+++ b/lib/crc/powerpc/crc32.h
@@ -2,10 +2,7 @@
 #include <asm/switch_to.h>
 #include <crypto/internal/simd.h>
 #include <linux/cpufeature.h>
-#include <linux/crc32.h>
 #include <linux/jump_label.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
 #include <linux/preempt.h>
 #include <linux/uaccess.h>
 
@@ -16,15 +13,12 @@
 
 static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_vec_crypto);
 
-u32 __crc32c_vpmsum(u32 crc, const u8 *p, size_t len);
+#define crc32_le_arch crc32_le_base /* not implemented on this arch */
+#define crc32_be_arch crc32_be_base /* not implemented on this arch */
 
-u32 crc32_le_arch(u32 crc, const u8 *p, size_t len)
-{
-	return crc32_le_base(crc, p, len);
-}
-EXPORT_SYMBOL(crc32_le_arch);
+u32 __crc32c_vpmsum(u32 crc, const u8 *p, size_t len);
 
-u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
+static inline u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
 {
 	unsigned int prealign;
 	unsigned int tail;
@@ -58,36 +52,18 @@ u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
 
 	return crc;
 }
-EXPORT_SYMBOL(crc32c_arch);
-
-u32 crc32_be_arch(u32 crc, const u8 *p, size_t len)
-{
-	return crc32_be_base(crc, p, len);
-}
-EXPORT_SYMBOL(crc32_be_arch);
 
-static int __init crc32_powerpc_init(void)
+#define crc32_mod_init_arch crc32_mod_init_arch
+static inline void crc32_mod_init_arch(void)
 {
 	if (cpu_has_feature(CPU_FTR_ARCH_207S) &&
 	    (cur_cpu_spec->cpu_user_features2 & PPC_FEATURE2_VEC_CRYPTO))
 		static_branch_enable(&have_vec_crypto);
-	return 0;
-}
-subsys_initcall(crc32_powerpc_init);
-
-static void __exit crc32_powerpc_exit(void)
-{
 }
-module_exit(crc32_powerpc_exit);
 
-u32 crc32_optimizations(void)
+static inline u32 crc32_optimizations_arch(void)
 {
 	if (static_key_enabled(&have_vec_crypto))
 		return CRC32C_OPTIMIZATION;
 	return 0;
 }
-EXPORT_SYMBOL(crc32_optimizations);
-
-MODULE_AUTHOR("Anton Blanchard <anton@samba.org>");
-MODULE_DESCRIPTION("CRC32C using vector polynomial multiply-sum instructions");
-MODULE_LICENSE("GPL");
diff --git a/arch/powerpc/lib/crc32c-vpmsum_asm.S b/lib/crc/powerpc/crc32c-vpmsum_asm.S
index 1b35c55cce0a..1b35c55cce0a 100644
--- a/arch/powerpc/lib/crc32c-vpmsum_asm.S
+++ b/lib/crc/powerpc/crc32c-vpmsum_asm.S
diff --git a/arch/powerpc/lib/crct10dif-vpmsum_asm.S b/lib/crc/powerpc/crct10dif-vpmsum_asm.S
index 47a6266d89a8..47a6266d89a8 100644
--- a/arch/powerpc/lib/crct10dif-vpmsum_asm.S
+++ b/lib/crc/powerpc/crct10dif-vpmsum_asm.S
diff --git a/arch/riscv/lib/crc-clmul-consts.h b/lib/crc/riscv/crc-clmul-consts.h
index 8d73449235ef..8d73449235ef 100644
--- a/arch/riscv/lib/crc-clmul-consts.h
+++ b/lib/crc/riscv/crc-clmul-consts.h
diff --git a/arch/riscv/lib/crc-clmul-template.h b/lib/crc/riscv/crc-clmul-template.h
index 77187e7f1762..77187e7f1762 100644
--- a/arch/riscv/lib/crc-clmul-template.h
+++ b/lib/crc/riscv/crc-clmul-template.h
diff --git a/arch/riscv/lib/crc-clmul.h b/lib/crc/riscv/crc-clmul.h
index dd1736245815..dd1736245815 100644
--- a/arch/riscv/lib/crc-clmul.h
+++ b/lib/crc/riscv/crc-clmul.h
diff --git a/arch/riscv/lib/crc-t10dif.c b/lib/crc/riscv/crc-t10dif.h
index e6b0051ccd86..cd6136cbfda1 100644
--- a/arch/riscv/lib/crc-t10dif.c
+++ b/lib/crc/riscv/crc-t10dif.h
@@ -7,18 +7,12 @@
 
 #include <asm/hwcap.h>
 #include <asm/alternative-macros.h>
-#include <linux/crc-t10dif.h>
-#include <linux/module.h>
 
 #include "crc-clmul.h"
 
-u16 crc_t10dif_arch(u16 crc, const u8 *p, size_t len)
+static inline u16 crc_t10dif_arch(u16 crc, const u8 *p, size_t len)
 {
 	if (riscv_has_extension_likely(RISCV_ISA_EXT_ZBC))
 		return crc16_msb_clmul(crc, p, len, &crc16_msb_0x8bb7_consts);
 	return crc_t10dif_generic(crc, p, len);
 }
-EXPORT_SYMBOL(crc_t10dif_arch);
-
-MODULE_DESCRIPTION("RISC-V optimized CRC-T10DIF function");
-MODULE_LICENSE("GPL");
diff --git a/arch/riscv/lib/crc16_msb.c b/lib/crc/riscv/crc16_msb.c
index 554d295e95f5..554d295e95f5 100644
--- a/arch/riscv/lib/crc16_msb.c
+++ b/lib/crc/riscv/crc16_msb.c
diff --git a/arch/riscv/lib/crc32.c b/lib/crc/riscv/crc32.h
index a3188b7d9c40..3ec6eee98afa 100644
--- a/arch/riscv/lib/crc32.c
+++ b/lib/crc/riscv/crc32.h
@@ -7,39 +7,34 @@
 
 #include <asm/hwcap.h>
 #include <asm/alternative-macros.h>
-#include <linux/crc32.h>
-#include <linux/module.h>
 
 #include "crc-clmul.h"
 
-u32 crc32_le_arch(u32 crc, const u8 *p, size_t len)
+static inline u32 crc32_le_arch(u32 crc, const u8 *p, size_t len)
 {
 	if (riscv_has_extension_likely(RISCV_ISA_EXT_ZBC))
 		return crc32_lsb_clmul(crc, p, len,
 				       &crc32_lsb_0xedb88320_consts);
 	return crc32_le_base(crc, p, len);
 }
-EXPORT_SYMBOL(crc32_le_arch);
 
-u32 crc32_be_arch(u32 crc, const u8 *p, size_t len)
+static inline u32 crc32_be_arch(u32 crc, const u8 *p, size_t len)
 {
 	if (riscv_has_extension_likely(RISCV_ISA_EXT_ZBC))
 		return crc32_msb_clmul(crc, p, len,
 				       &crc32_msb_0x04c11db7_consts);
 	return crc32_be_base(crc, p, len);
 }
-EXPORT_SYMBOL(crc32_be_arch);
 
-u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
+static inline u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
 {
 	if (riscv_has_extension_likely(RISCV_ISA_EXT_ZBC))
 		return crc32_lsb_clmul(crc, p, len,
 				       &crc32_lsb_0x82f63b78_consts);
 	return crc32c_base(crc, p, len);
 }
-EXPORT_SYMBOL(crc32c_arch);
 
-u32 crc32_optimizations(void)
+static inline u32 crc32_optimizations_arch(void)
 {
 	if (riscv_has_extension_likely(RISCV_ISA_EXT_ZBC))
 		return CRC32_LE_OPTIMIZATION |
@@ -47,7 +42,3 @@ u32 crc32_optimizations(void)
 		       CRC32C_OPTIMIZATION;
 	return 0;
 }
-EXPORT_SYMBOL(crc32_optimizations);
-
-MODULE_DESCRIPTION("RISC-V optimized CRC32 functions");
-MODULE_LICENSE("GPL");
diff --git a/arch/riscv/lib/crc32_lsb.c b/lib/crc/riscv/crc32_lsb.c
index 72fd67e7470c..72fd67e7470c 100644
--- a/arch/riscv/lib/crc32_lsb.c
+++ b/lib/crc/riscv/crc32_lsb.c
diff --git a/arch/riscv/lib/crc32_msb.c b/lib/crc/riscv/crc32_msb.c
index fdbeaccc369f..fdbeaccc369f 100644
--- a/arch/riscv/lib/crc32_msb.c
+++ b/lib/crc/riscv/crc32_msb.c
diff --git a/arch/riscv/lib/crc64.c b/lib/crc/riscv/crc64.h
index f0015a27836a..a1b7873fde57 100644
--- a/arch/riscv/lib/crc64.c
+++ b/lib/crc/riscv/crc64.h
@@ -7,28 +7,21 @@
 
 #include <asm/hwcap.h>
 #include <asm/alternative-macros.h>
-#include <linux/crc64.h>
-#include <linux/module.h>
 
 #include "crc-clmul.h"
 
-u64 crc64_be_arch(u64 crc, const u8 *p, size_t len)
+static inline u64 crc64_be_arch(u64 crc, const u8 *p, size_t len)
 {
 	if (riscv_has_extension_likely(RISCV_ISA_EXT_ZBC))
 		return crc64_msb_clmul(crc, p, len,
 				       &crc64_msb_0x42f0e1eba9ea3693_consts);
 	return crc64_be_generic(crc, p, len);
 }
-EXPORT_SYMBOL(crc64_be_arch);
 
-u64 crc64_nvme_arch(u64 crc, const u8 *p, size_t len)
+static inline u64 crc64_nvme_arch(u64 crc, const u8 *p, size_t len)
 {
 	if (riscv_has_extension_likely(RISCV_ISA_EXT_ZBC))
 		return crc64_lsb_clmul(crc, p, len,
 				       &crc64_lsb_0x9a6c9329ac4bc9b5_consts);
 	return crc64_nvme_generic(crc, p, len);
 }
-EXPORT_SYMBOL(crc64_nvme_arch);
-
-MODULE_DESCRIPTION("RISC-V optimized CRC64 functions");
-MODULE_LICENSE("GPL");
diff --git a/arch/riscv/lib/crc64_lsb.c b/lib/crc/riscv/crc64_lsb.c
index c5371bb85d90..c5371bb85d90 100644
--- a/arch/riscv/lib/crc64_lsb.c
+++ b/lib/crc/riscv/crc64_lsb.c
diff --git a/arch/riscv/lib/crc64_msb.c b/lib/crc/riscv/crc64_msb.c
index 1925d1dbe225..1925d1dbe225 100644
--- a/arch/riscv/lib/crc64_msb.c
+++ b/lib/crc/riscv/crc64_msb.c
diff --git a/arch/s390/lib/crc32-vx.h b/lib/crc/s390/crc32-vx.h
index 652c96e1a822..652c96e1a822 100644
--- a/arch/s390/lib/crc32-vx.h
+++ b/lib/crc/s390/crc32-vx.h
diff --git a/arch/s390/lib/crc32.c b/lib/crc/s390/crc32.h
index 3c4b344417c1..59c8983d428b 100644
--- a/arch/s390/lib/crc32.c
+++ b/lib/crc/s390/crc32.h
@@ -5,12 +5,8 @@
  * Copyright IBM Corp. 2015
  * Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
  */
-#define KMSG_COMPONENT	"crc32-vx"
-#define pr_fmt(fmt)	KMSG_COMPONENT ": " fmt
 
-#include <linux/module.h>
 #include <linux/cpufeature.h>
-#include <linux/crc32.h>
 #include <asm/fpu.h>
 #include "crc32-vx.h"
 
@@ -27,7 +23,7 @@
  * operations of VECTOR LOAD MULTIPLE instructions.
  */
 #define DEFINE_CRC32_VX(___fname, ___crc32_vx, ___crc32_sw)		    \
-	u32 ___fname(u32 crc, const u8 *data, size_t datalen)		    \
+	static inline u32 ___fname(u32 crc, const u8 *data, size_t datalen) \
 	{								    \
 		unsigned long prealign, aligned, remaining;		    \
 		DECLARE_KERNEL_FPU_ONSTACK16(vxstate);			    \
@@ -54,14 +50,13 @@
 			crc = ___crc32_sw(crc, data + aligned, remaining);  \
 									    \
 		return crc;						    \
-	}								    \
-	EXPORT_SYMBOL(___fname);
+	}
 
 DEFINE_CRC32_VX(crc32_le_arch, crc32_le_vgfm_16, crc32_le_base)
 DEFINE_CRC32_VX(crc32_be_arch, crc32_be_vgfm_16, crc32_be_base)
 DEFINE_CRC32_VX(crc32c_arch, crc32c_le_vgfm_16, crc32c_base)
 
-u32 crc32_optimizations(void)
+static inline u32 crc32_optimizations_arch(void)
 {
 	if (cpu_has_vx()) {
 		return CRC32_LE_OPTIMIZATION |
@@ -70,8 +65,3 @@ u32 crc32_optimizations(void)
 	}
 	return 0;
 }
-EXPORT_SYMBOL(crc32_optimizations);
-
-MODULE_AUTHOR("Hendrik Brueckner <brueckner@linux.vnet.ibm.com>");
-MODULE_DESCRIPTION("CRC-32 algorithms using z/Architecture Vector Extension Facility");
-MODULE_LICENSE("GPL");
diff --git a/arch/s390/lib/crc32be-vx.c b/lib/crc/s390/crc32be-vx.c
index fed7c9c70d05..fed7c9c70d05 100644
--- a/arch/s390/lib/crc32be-vx.c
+++ b/lib/crc/s390/crc32be-vx.c
diff --git a/arch/s390/lib/crc32le-vx.c b/lib/crc/s390/crc32le-vx.c
index 2f629f394df7..2f629f394df7 100644
--- a/arch/s390/lib/crc32le-vx.c
+++ b/lib/crc/s390/crc32le-vx.c
diff --git a/arch/sparc/lib/crc32.c b/lib/crc/sparc/crc32.h
index 40d4720a42a1..60f2765ac015 100644
--- a/arch/sparc/lib/crc32.c
+++ b/lib/crc/sparc/crc32.h
@@ -8,26 +8,17 @@
  *          Kent Liu <kent.liu@intel.com>
  */
 
-#define pr_fmt(fmt)	KBUILD_MODNAME ": " fmt
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/crc32.h>
 #include <asm/pstate.h>
 #include <asm/elf.h>
 
 static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_crc32c_opcode);
 
-u32 crc32_le_arch(u32 crc, const u8 *data, size_t len)
-{
-	return crc32_le_base(crc, data, len);
-}
-EXPORT_SYMBOL(crc32_le_arch);
+#define crc32_le_arch crc32_le_base /* not implemented on this arch */
+#define crc32_be_arch crc32_be_base /* not implemented on this arch */
 
 void crc32c_sparc64(u32 *crcp, const u64 *data, size_t len);
 
-u32 crc32c_arch(u32 crc, const u8 *data, size_t len)
+static inline u32 crc32c_arch(u32 crc, const u8 *data, size_t len)
 {
 	size_t n = -(uintptr_t)data & 7;
 
@@ -51,43 +42,26 @@ u32 crc32c_arch(u32 crc, const u8 *data, size_t len)
 		crc = crc32c_base(crc, data, len);
 	return crc;
 }
-EXPORT_SYMBOL(crc32c_arch);
-
-u32 crc32_be_arch(u32 crc, const u8 *data, size_t len)
-{
-	return crc32_be_base(crc, data, len);
-}
-EXPORT_SYMBOL(crc32_be_arch);
 
-static int __init crc32_sparc_init(void)
+#define crc32_mod_init_arch crc32_mod_init_arch
+static inline void crc32_mod_init_arch(void)
 {
 	unsigned long cfr;
 
 	if (!(sparc64_elf_hwcap & HWCAP_SPARC_CRYPTO))
-		return 0;
+		return;
 
 	__asm__ __volatile__("rd %%asr26, %0" : "=r" (cfr));
 	if (!(cfr & CFR_CRC32C))
-		return 0;
+		return;
 
 	static_branch_enable(&have_crc32c_opcode);
 	pr_info("Using sparc64 crc32c opcode optimized CRC32C implementation\n");
-	return 0;
 }
-subsys_initcall(crc32_sparc_init);
 
-static void __exit crc32_sparc_exit(void)
-{
-}
-module_exit(crc32_sparc_exit);
-
-u32 crc32_optimizations(void)
+static inline u32 crc32_optimizations_arch(void)
 {
 	if (static_key_enabled(&have_crc32c_opcode))
 		return CRC32C_OPTIMIZATION;
 	return 0;
 }
-EXPORT_SYMBOL(crc32_optimizations);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("CRC32c (Castagnoli), sparc64 crc32c opcode accelerated");
diff --git a/arch/sparc/lib/crc32c_asm.S b/lib/crc/sparc/crc32c_asm.S
index 4db873850f44..4db873850f44 100644
--- a/arch/sparc/lib/crc32c_asm.S
+++ b/lib/crc/sparc/crc32c_asm.S
diff --git a/lib/crc/tests/Makefile b/lib/crc/tests/Makefile
new file mode 100644
index 000000000000..65f63c318ef5
--- /dev/null
+++ b/lib/crc/tests/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_CRC_KUNIT_TEST) += crc_kunit.o
diff --git a/lib/tests/crc_kunit.c b/lib/crc/tests/crc_kunit.c
index 064c2d581557..f08d985d8860 100644
--- a/lib/tests/crc_kunit.c
+++ b/lib/crc/tests/crc_kunit.c
@@ -36,14 +36,12 @@ static size_t test_buflen;
  *	  can fit any CRC up to CRC-64.  The CRC is passed in, and is expected
  *	  to be returned in, the least significant bits of the u64.  The
  *	  function is expected to *not* invert the CRC at the beginning and end.
- * @combine_func: Optional function to combine two CRCs.
  */
 struct crc_variant {
 	int bits;
 	bool le;
 	u64 poly;
 	u64 (*func)(u64 crc, const u8 *p, size_t len);
-	u64 (*combine_func)(u64 crc1, u64 crc2, size_t len2);
 };
 
 static u32 rand32(void)
@@ -144,7 +142,7 @@ static size_t generate_random_length(size_t max_length)
 }
 
 /* Test that v->func gives the same CRCs as a reference implementation. */
-static void crc_main_test(struct kunit *test, const struct crc_variant *v)
+static void crc_test(struct kunit *test, const struct crc_variant *v)
 {
 	size_t i;
 
@@ -188,35 +186,6 @@ static void crc_main_test(struct kunit *test, const struct crc_variant *v)
 	}
 }
 
-/* Test that CRC(concat(A, B)) == combine_CRCs(CRC(A), CRC(B), len(B)). */
-static void crc_combine_test(struct kunit *test, const struct crc_variant *v)
-{
-	int i;
-
-	for (i = 0; i < 100; i++) {
-		u64 init_crc = generate_random_initial_crc(v);
-		size_t len1 = generate_random_length(CRC_KUNIT_MAX_LEN);
-		size_t len2 = generate_random_length(CRC_KUNIT_MAX_LEN - len1);
-		u64 crc1, crc2, expected_crc, actual_crc;
-
-		prandom_bytes_state(&rng, test_buffer, len1 + len2);
-		crc1 = v->func(init_crc, test_buffer, len1);
-		crc2 = v->func(0, &test_buffer[len1], len2);
-		expected_crc = v->func(init_crc, test_buffer, len1 + len2);
-		actual_crc = v->combine_func(crc1, crc2, len2);
-		KUNIT_EXPECT_EQ_MSG(test, expected_crc, actual_crc,
-				    "CRC combination gave wrong result with len1=%zu len2=%zu\n",
-				    len1, len2);
-	}
-}
-
-static void crc_test(struct kunit *test, const struct crc_variant *v)
-{
-	crc_main_test(test, v);
-	if (v->combine_func)
-		crc_combine_test(test, v);
-}
-
 static __always_inline void
 crc_benchmark(struct kunit *test,
 	      u64 (*crc_func)(u64 crc, const u8 *p, size_t len))
@@ -337,17 +306,11 @@ static u64 crc32_le_wrapper(u64 crc, const u8 *p, size_t len)
 	return crc32_le(crc, p, len);
 }
 
-static u64 crc32_le_combine_wrapper(u64 crc1, u64 crc2, size_t len2)
-{
-	return crc32_le_combine(crc1, crc2, len2);
-}
-
 static const struct crc_variant crc_variant_crc32_le = {
 	.bits = 32,
 	.le = true,
 	.poly = 0xedb88320,
 	.func = crc32_le_wrapper,
-	.combine_func = crc32_le_combine_wrapper,
 };
 
 static void crc32_le_test(struct kunit *test)
diff --git a/arch/x86/lib/crc-pclmul-consts.h b/lib/crc/x86/crc-pclmul-consts.h
index fcc63c064333..6ae94158fca2 100644
--- a/arch/x86/lib/crc-pclmul-consts.h
+++ b/lib/crc/x86/crc-pclmul-consts.h
@@ -2,7 +2,7 @@
 /*
  * CRC constants generated by:
  *
- *	./scripts/gen-crc-consts.py x86_pclmul crc16_msb_0x8bb7,crc32_lsb_0xedb88320,crc64_msb_0x42f0e1eba9ea3693,crc64_lsb_0x9a6c9329ac4bc9b5
+ *	./scripts/gen-crc-consts.py x86_pclmul crc16_msb_0x8bb7,crc32_lsb_0xedb88320,crc32_lsb_0x82f63b78,crc64_msb_0x42f0e1eba9ea3693,crc64_lsb_0x9a6c9329ac4bc9b5
  *
  * Do not edit manually.
  */
@@ -99,6 +99,51 @@ static const struct {
 };
 
 /*
+ * CRC folding constants generated for least-significant-bit-first CRC-32 using
+ * G(x) = x^32 + x^28 + x^27 + x^26 + x^25 + x^23 + x^22 + x^20 + x^19 + x^18 +
+ *        x^14 + x^13 + x^11 + x^10 + x^9 + x^8 + x^6 + x^0
+ */
+static const struct {
+	u64 fold_across_2048_bits_consts[2];
+	u64 fold_across_1024_bits_consts[2];
+	u64 fold_across_512_bits_consts[2];
+	u64 fold_across_256_bits_consts[2];
+	u64 fold_across_128_bits_consts[2];
+	u8 shuf_table[48];
+	u64 barrett_reduction_consts[2];
+} crc32_lsb_0x82f63b78_consts ____cacheline_aligned __maybe_unused = {
+	.fold_across_2048_bits_consts = {
+		0x00000000dcb17aa4,	/* HI64_TERMS: (x^2079 mod G) * x^32 */
+		0x00000000b9e02b86,	/* LO64_TERMS: (x^2015 mod G) * x^32 */
+	},
+	.fold_across_1024_bits_consts = {
+		0x000000006992cea2,	/* HI64_TERMS: (x^1055 mod G) * x^32 */
+		0x000000000d3b6092,	/* LO64_TERMS: (x^991 mod G) * x^32 */
+	},
+	.fold_across_512_bits_consts = {
+		0x00000000740eef02,	/* HI64_TERMS: (x^543 mod G) * x^32 */
+		0x000000009e4addf8,	/* LO64_TERMS: (x^479 mod G) * x^32 */
+	},
+	.fold_across_256_bits_consts = {
+		0x000000003da6d0cb,	/* HI64_TERMS: (x^287 mod G) * x^32 */
+		0x00000000ba4fc28e,	/* LO64_TERMS: (x^223 mod G) * x^32 */
+	},
+	.fold_across_128_bits_consts = {
+		0x00000000f20c0dfe,	/* HI64_TERMS: (x^159 mod G) * x^32 */
+		0x00000000493c7d27,	/* LO64_TERMS: (x^95 mod G) * x^32 */
+	},
+	.shuf_table = {
+		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+		 0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
+		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+	},
+	.barrett_reduction_consts = {
+		0x4869ec38dea713f1,	/* HI64_TERMS: floor(x^95 / G) */
+		0x0000000105ec76f0,	/* LO64_TERMS: (G - x^32) * x^31 */
+	},
+};
+
+/*
  * CRC folding constants generated for most-significant-bit-first CRC-64 using
  * G(x) = x^64 + x^62 + x^57 + x^55 + x^54 + x^53 + x^52 + x^47 + x^46 + x^45 +
  *        x^40 + x^39 + x^38 + x^37 + x^35 + x^33 + x^32 + x^31 + x^29 + x^27 +
diff --git a/arch/x86/lib/crc-pclmul-template.S b/lib/crc/x86/crc-pclmul-template.S
index ae0b6144c503..a02f7dc8053e 100644
--- a/arch/x86/lib/crc-pclmul-template.S
+++ b/lib/crc/x86/crc-pclmul-template.S
@@ -561,7 +561,6 @@
 	RET
 .endm
 
-#ifdef CONFIG_AS_VPCLMULQDQ
 #define DEFINE_CRC_PCLMUL_FUNCS(prefix, bits, lsb)			\
 SYM_FUNC_START(prefix##_pclmul_sse);					\
 	_crc_pclmul	n=bits, lsb_crc=lsb, vl=16, avx_level=0;	\
@@ -574,9 +573,3 @@ SYM_FUNC_END(prefix##_vpclmul_avx2);					\
 SYM_FUNC_START(prefix##_vpclmul_avx512);				\
 	_crc_pclmul	n=bits, lsb_crc=lsb, vl=64, avx_level=512;	\
 SYM_FUNC_END(prefix##_vpclmul_avx512);
-#else
-#define DEFINE_CRC_PCLMUL_FUNCS(prefix, bits, lsb)			\
-SYM_FUNC_START(prefix##_pclmul_sse);					\
-	_crc_pclmul	n=bits, lsb_crc=lsb, vl=16, avx_level=0;	\
-SYM_FUNC_END(prefix##_pclmul_sse);
-#endif // !CONFIG_AS_VPCLMULQDQ
diff --git a/arch/x86/lib/crc-pclmul-template.h b/lib/crc/x86/crc-pclmul-template.h
index c5b3bfe11d8d..35c950d7010c 100644
--- a/arch/x86/lib/crc-pclmul-template.h
+++ b/lib/crc/x86/crc-pclmul-template.h
@@ -25,24 +25,20 @@ crc_t prefix##_vpclmul_avx512(crc_t crc, const u8 *p, size_t len,	\
 			      const void *consts_ptr);			\
 DEFINE_STATIC_CALL(prefix##_pclmul, prefix##_pclmul_sse)
 
-#define INIT_CRC_PCLMUL(prefix)						\
-do {									\
-	if (IS_ENABLED(CONFIG_AS_VPCLMULQDQ) &&				\
-	    boot_cpu_has(X86_FEATURE_VPCLMULQDQ) &&			\
-	    boot_cpu_has(X86_FEATURE_AVX2) &&				\
-	    cpu_has_xfeatures(XFEATURE_MASK_YMM, NULL)) {		\
-		if (boot_cpu_has(X86_FEATURE_AVX512BW) &&		\
-		    boot_cpu_has(X86_FEATURE_AVX512VL) &&		\
-		    !boot_cpu_has(X86_FEATURE_PREFER_YMM) &&		\
-		    cpu_has_xfeatures(XFEATURE_MASK_AVX512, NULL)) {	\
-			static_call_update(prefix##_pclmul,		\
-					   prefix##_vpclmul_avx512);	\
-		} else {						\
-			static_call_update(prefix##_pclmul,		\
-					   prefix##_vpclmul_avx2);	\
-		}							\
-	}								\
-} while (0)
+static inline bool have_vpclmul(void)
+{
+	return boot_cpu_has(X86_FEATURE_VPCLMULQDQ) &&
+	       boot_cpu_has(X86_FEATURE_AVX2) &&
+	       cpu_has_xfeatures(XFEATURE_MASK_YMM, NULL);
+}
+
+static inline bool have_avx512(void)
+{
+	return boot_cpu_has(X86_FEATURE_AVX512BW) &&
+	       boot_cpu_has(X86_FEATURE_AVX512VL) &&
+	       !boot_cpu_has(X86_FEATURE_PREFER_YMM) &&
+	       cpu_has_xfeatures(XFEATURE_MASK_AVX512, NULL);
+}
 
 /*
  * Call a [V]PCLMULQDQ optimized CRC function if the data length is at least 16
diff --git a/arch/x86/lib/crc-t10dif.c b/lib/crc/x86/crc-t10dif.h
index db7ce59c31ac..2a02a3026f3f 100644
--- a/arch/x86/lib/crc-t10dif.c
+++ b/lib/crc/x86/crc-t10dif.h
@@ -5,36 +5,31 @@
  * Copyright 2024 Google LLC
  */
 
-#include <linux/crc-t10dif.h>
-#include <linux/module.h>
 #include "crc-pclmul-template.h"
 
 static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_pclmulqdq);
 
 DECLARE_CRC_PCLMUL_FUNCS(crc16_msb, u16);
 
-u16 crc_t10dif_arch(u16 crc, const u8 *p, size_t len)
+static inline u16 crc_t10dif_arch(u16 crc, const u8 *p, size_t len)
 {
 	CRC_PCLMUL(crc, p, len, crc16_msb, crc16_msb_0x8bb7_consts,
 		   have_pclmulqdq);
 	return crc_t10dif_generic(crc, p, len);
 }
-EXPORT_SYMBOL(crc_t10dif_arch);
 
-static int __init crc_t10dif_x86_init(void)
+#define crc_t10dif_mod_init_arch crc_t10dif_mod_init_arch
+static inline void crc_t10dif_mod_init_arch(void)
 {
 	if (boot_cpu_has(X86_FEATURE_PCLMULQDQ)) {
 		static_branch_enable(&have_pclmulqdq);
-		INIT_CRC_PCLMUL(crc16_msb);
+		if (have_vpclmul()) {
+			if (have_avx512())
+				static_call_update(crc16_msb_pclmul,
+						   crc16_msb_vpclmul_avx512);
+			else
+				static_call_update(crc16_msb_pclmul,
+						   crc16_msb_vpclmul_avx2);
+		}
 	}
-	return 0;
 }
-subsys_initcall(crc_t10dif_x86_init);
-
-static void __exit crc_t10dif_x86_exit(void)
-{
-}
-module_exit(crc_t10dif_x86_exit);
-
-MODULE_DESCRIPTION("CRC-T10DIF using [V]PCLMULQDQ instructions");
-MODULE_LICENSE("GPL");
diff --git a/arch/x86/lib/crc16-msb-pclmul.S b/lib/crc/x86/crc16-msb-pclmul.S
index e9fe248093a8..e9fe248093a8 100644
--- a/arch/x86/lib/crc16-msb-pclmul.S
+++ b/lib/crc/x86/crc16-msb-pclmul.S
diff --git a/arch/x86/lib/crc32-pclmul.S b/lib/crc/x86/crc32-pclmul.S
index f20f40fb0172..f20f40fb0172 100644
--- a/arch/x86/lib/crc32-pclmul.S
+++ b/lib/crc/x86/crc32-pclmul.S
diff --git a/lib/crc/x86/crc32.h b/lib/crc/x86/crc32.h
new file mode 100644
index 000000000000..cea2c96d08d0
--- /dev/null
+++ b/lib/crc/x86/crc32.h
@@ -0,0 +1,137 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * x86-optimized CRC32 functions
+ *
+ * Copyright (C) 2008 Intel Corporation
+ * Copyright 2012 Xyratex Technology Limited
+ * Copyright 2024 Google LLC
+ */
+
+#include "crc-pclmul-template.h"
+
+static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_crc32);
+static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_pclmulqdq);
+static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_vpclmul_avx512);
+
+DECLARE_CRC_PCLMUL_FUNCS(crc32_lsb, u32);
+
+static inline u32 crc32_le_arch(u32 crc, const u8 *p, size_t len)
+{
+	CRC_PCLMUL(crc, p, len, crc32_lsb, crc32_lsb_0xedb88320_consts,
+		   have_pclmulqdq);
+	return crc32_le_base(crc, p, len);
+}
+
+#ifdef CONFIG_X86_64
+#define CRC32_INST "crc32q %1, %q0"
+#else
+#define CRC32_INST "crc32l %1, %0"
+#endif
+
+/*
+ * Use carryless multiply version of crc32c when buffer size is >= 512 to
+ * account for FPU state save/restore overhead.
+ */
+#define CRC32C_PCLMUL_BREAKEVEN	512
+
+asmlinkage u32 crc32c_x86_3way(u32 crc, const u8 *buffer, size_t len);
+
+static inline u32 crc32c_arch(u32 crc, const u8 *p, size_t len)
+{
+	size_t num_longs;
+
+	if (!static_branch_likely(&have_crc32))
+		return crc32c_base(crc, p, len);
+
+	if (IS_ENABLED(CONFIG_X86_64) && len >= CRC32C_PCLMUL_BREAKEVEN &&
+	    static_branch_likely(&have_pclmulqdq) && crypto_simd_usable()) {
+		/*
+		 * Long length, the vector registers are usable, and the CPU is
+		 * 64-bit and supports both CRC32 and PCLMULQDQ instructions.
+		 * It is worthwhile to divide the data into multiple streams,
+		 * CRC them independently, and combine them using PCLMULQDQ.
+		 * crc32c_x86_3way() does this using 3 streams, which is the
+		 * most that x86_64 CPUs have traditionally been capable of.
+		 *
+		 * However, due to improved VPCLMULQDQ performance on newer
+		 * CPUs, use crc32_lsb_vpclmul_avx512() instead of
+		 * crc32c_x86_3way() when the CPU supports VPCLMULQDQ and has a
+		 * "good" implementation of AVX-512.
+		 *
+		 * Future work: the optimal strategy on Zen 3--5 is actually to
+		 * use both crc32q and VPCLMULQDQ in parallel.  Unfortunately,
+		 * different numbers of streams and vector lengths are optimal
+		 * on each CPU microarchitecture, making it challenging to take
+		 * advantage of this.  (Zen 5 even supports 7 parallel crc32q, a
+		 * major upgrade.)  For now, just choose between
+		 * crc32c_x86_3way() and crc32_lsb_vpclmul_avx512().  The latter
+		 * is needed anyway for crc32_le(), so we just reuse it here.
+		 */
+		kernel_fpu_begin();
+		if (static_branch_likely(&have_vpclmul_avx512))
+			crc = crc32_lsb_vpclmul_avx512(crc, p, len,
+				       crc32_lsb_0x82f63b78_consts.fold_across_128_bits_consts);
+		else
+			crc = crc32c_x86_3way(crc, p, len);
+		kernel_fpu_end();
+		return crc;
+	}
+
+	/*
+	 * Short length, XMM registers unusable, or the CPU is 32-bit; but the
+	 * CPU supports CRC32 instructions.  Just issue a single stream of CRC32
+	 * instructions inline.  While this doesn't use the CPU's CRC32
+	 * throughput very well, it avoids the need to combine streams.  Stream
+	 * combination would be inefficient here.
+	 */
+
+	for (num_longs = len / sizeof(unsigned long);
+	     num_longs != 0; num_longs--, p += sizeof(unsigned long))
+		asm(CRC32_INST : "+r" (crc) : ASM_INPUT_RM (*(unsigned long *)p));
+
+	if (sizeof(unsigned long) > 4 && (len & 4)) {
+		asm("crc32l %1, %0" : "+r" (crc) : ASM_INPUT_RM (*(u32 *)p));
+		p += 4;
+	}
+	if (len & 2) {
+		asm("crc32w %1, %0" : "+r" (crc) : ASM_INPUT_RM (*(u16 *)p));
+		p += 2;
+	}
+	if (len & 1)
+		asm("crc32b %1, %0" : "+r" (crc) : ASM_INPUT_RM (*p));
+
+	return crc;
+}
+
+#define crc32_be_arch crc32_be_base /* not implemented on this arch */
+
+#define crc32_mod_init_arch crc32_mod_init_arch
+static inline void crc32_mod_init_arch(void)
+{
+	if (boot_cpu_has(X86_FEATURE_XMM4_2))
+		static_branch_enable(&have_crc32);
+	if (boot_cpu_has(X86_FEATURE_PCLMULQDQ)) {
+		static_branch_enable(&have_pclmulqdq);
+		if (have_vpclmul()) {
+			if (have_avx512()) {
+				static_call_update(crc32_lsb_pclmul,
+						   crc32_lsb_vpclmul_avx512);
+				static_branch_enable(&have_vpclmul_avx512);
+			} else {
+				static_call_update(crc32_lsb_pclmul,
+						   crc32_lsb_vpclmul_avx2);
+			}
+		}
+	}
+}
+
+static inline u32 crc32_optimizations_arch(void)
+{
+	u32 optimizations = 0;
+
+	if (static_key_enabled(&have_crc32))
+		optimizations |= CRC32C_OPTIMIZATION;
+	if (static_key_enabled(&have_pclmulqdq))
+		optimizations |= CRC32_LE_OPTIMIZATION;
+	return optimizations;
+}
diff --git a/arch/x86/lib/crc32c-3way.S b/lib/crc/x86/crc32c-3way.S
index 9b8770503bbc..9b8770503bbc 100644
--- a/arch/x86/lib/crc32c-3way.S
+++ b/lib/crc/x86/crc32c-3way.S
diff --git a/arch/x86/lib/crc64-pclmul.S b/lib/crc/x86/crc64-pclmul.S
index 4173051b5197..4173051b5197 100644
--- a/arch/x86/lib/crc64-pclmul.S
+++ b/lib/crc/x86/crc64-pclmul.S
diff --git a/arch/x86/lib/crc64.c b/lib/crc/x86/crc64.h
index 351a09f5813e..fde1222c4c58 100644
--- a/arch/x86/lib/crc64.c
+++ b/lib/crc/x86/crc64.h
@@ -5,8 +5,6 @@
  * Copyright 2025 Google LLC
  */
 
-#include <linux/crc64.h>
-#include <linux/module.h>
 #include "crc-pclmul-template.h"
 
 static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_pclmulqdq);
@@ -14,37 +12,37 @@ static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_pclmulqdq);
 DECLARE_CRC_PCLMUL_FUNCS(crc64_msb, u64);
 DECLARE_CRC_PCLMUL_FUNCS(crc64_lsb, u64);
 
-u64 crc64_be_arch(u64 crc, const u8 *p, size_t len)
+static inline u64 crc64_be_arch(u64 crc, const u8 *p, size_t len)
 {
 	CRC_PCLMUL(crc, p, len, crc64_msb, crc64_msb_0x42f0e1eba9ea3693_consts,
 		   have_pclmulqdq);
 	return crc64_be_generic(crc, p, len);
 }
-EXPORT_SYMBOL_GPL(crc64_be_arch);
 
-u64 crc64_nvme_arch(u64 crc, const u8 *p, size_t len)
+static inline u64 crc64_nvme_arch(u64 crc, const u8 *p, size_t len)
 {
 	CRC_PCLMUL(crc, p, len, crc64_lsb, crc64_lsb_0x9a6c9329ac4bc9b5_consts,
 		   have_pclmulqdq);
 	return crc64_nvme_generic(crc, p, len);
 }
-EXPORT_SYMBOL_GPL(crc64_nvme_arch);
 
-static int __init crc64_x86_init(void)
+#define crc64_mod_init_arch crc64_mod_init_arch
+static inline void crc64_mod_init_arch(void)
 {
 	if (boot_cpu_has(X86_FEATURE_PCLMULQDQ)) {
 		static_branch_enable(&have_pclmulqdq);
-		INIT_CRC_PCLMUL(crc64_msb);
-		INIT_CRC_PCLMUL(crc64_lsb);
+		if (have_vpclmul()) {
+			if (have_avx512()) {
+				static_call_update(crc64_msb_pclmul,
+						   crc64_msb_vpclmul_avx512);
+				static_call_update(crc64_lsb_pclmul,
+						   crc64_lsb_vpclmul_avx512);
+			} else {
+				static_call_update(crc64_msb_pclmul,
+						   crc64_msb_vpclmul_avx2);
+				static_call_update(crc64_lsb_pclmul,
+						   crc64_lsb_vpclmul_avx2);
+			}
+		}
 	}
-	return 0;
 }
-subsys_initcall(crc64_x86_init);
-
-static void __exit crc64_x86_exit(void)
-{
-}
-module_exit(crc64_x86_exit);
-
-MODULE_DESCRIPTION("CRC64 using [V]PCLMULQDQ instructions");
-MODULE_LICENSE("GPL");
diff --git a/lib/crc32.c b/lib/crc32.c
deleted file mode 100644
index 95429861d3ac..000000000000
--- a/lib/crc32.c
+++ /dev/null
@@ -1,126 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Aug 8, 2011 Bob Pearson with help from Joakim Tjernlund and George Spelvin
- * cleaned up code to current version of sparse and added the slicing-by-8
- * algorithm to the closely similar existing slicing-by-4 algorithm.
- *
- * Oct 15, 2000 Matt Domsch <Matt_Domsch@dell.com>
- * Nicer crc32 functions/docs submitted by linux@horizon.com.  Thanks!
- * Code was from the public domain, copyright abandoned.  Code was
- * subsequently included in the kernel, thus was re-licensed under the
- * GNU GPL v2.
- *
- * Oct 12, 2000 Matt Domsch <Matt_Domsch@dell.com>
- * Same crc32 function was used in 5 other places in the kernel.
- * I made one version, and deleted the others.
- * There are various incantations of crc32().  Some use a seed of 0 or ~0.
- * Some xor at the end with ~0.  The generic crc32() function takes
- * seed as an argument, and doesn't xor at the end.  Then individual
- * users can do whatever they need.
- *   drivers/net/smc9194.c uses seed ~0, doesn't xor with ~0.
- *   fs/jffs2 uses seed 0, doesn't xor with ~0.
- *   fs/partitions/efi.c uses seed ~0, xor's with ~0.
- */
-
-/* see: Documentation/staging/crc32.rst for a description of algorithms */
-
-#include <linux/crc32.h>
-#include <linux/crc32poly.h>
-#include <linux/module.h>
-#include <linux/types.h>
-
-#include "crc32table.h"
-
-MODULE_AUTHOR("Matt Domsch <Matt_Domsch@dell.com>");
-MODULE_DESCRIPTION("Various CRC32 calculations");
-MODULE_LICENSE("GPL");
-
-u32 crc32_le_base(u32 crc, const u8 *p, size_t len)
-{
-	while (len--)
-		crc = (crc >> 8) ^ crc32table_le[(crc & 255) ^ *p++];
-	return crc;
-}
-EXPORT_SYMBOL(crc32_le_base);
-
-u32 crc32c_base(u32 crc, const u8 *p, size_t len)
-{
-	while (len--)
-		crc = (crc >> 8) ^ crc32ctable_le[(crc & 255) ^ *p++];
-	return crc;
-}
-EXPORT_SYMBOL(crc32c_base);
-
-/*
- * This multiplies the polynomials x and y modulo the given modulus.
- * This follows the "little-endian" CRC convention that the lsbit
- * represents the highest power of x, and the msbit represents x^0.
- */
-static u32 gf2_multiply(u32 x, u32 y, u32 modulus)
-{
-	u32 product = x & 1 ? y : 0;
-	int i;
-
-	for (i = 0; i < 31; i++) {
-		product = (product >> 1) ^ (product & 1 ? modulus : 0);
-		x >>= 1;
-		product ^= x & 1 ? y : 0;
-	}
-
-	return product;
-}
-
-/**
- * crc32_generic_shift - Append @len 0 bytes to crc, in logarithmic time
- * @crc: The original little-endian CRC (i.e. lsbit is x^31 coefficient)
- * @len: The number of bytes. @crc is multiplied by x^(8*@len)
- * @polynomial: The modulus used to reduce the result to 32 bits.
- *
- * It's possible to parallelize CRC computations by computing a CRC
- * over separate ranges of a buffer, then summing them.
- * This shifts the given CRC by 8*len bits (i.e. produces the same effect
- * as appending len bytes of zero to the data), in time proportional
- * to log(len).
- */
-static u32 crc32_generic_shift(u32 crc, size_t len, u32 polynomial)
-{
-	u32 power = polynomial;	/* CRC of x^32 */
-	int i;
-
-	/* Shift up to 32 bits in the simple linear way */
-	for (i = 0; i < 8 * (int)(len & 3); i++)
-		crc = (crc >> 1) ^ (crc & 1 ? polynomial : 0);
-
-	len >>= 2;
-	if (!len)
-		return crc;
-
-	for (;;) {
-		/* "power" is x^(2^i), modulo the polynomial */
-		if (len & 1)
-			crc = gf2_multiply(crc, power, polynomial);
-
-		len >>= 1;
-		if (!len)
-			break;
-
-		/* Square power, advancing to x^(2^(i+1)) */
-		power = gf2_multiply(power, power, polynomial);
-	}
-
-	return crc;
-}
-
-u32 crc32_le_shift(u32 crc, size_t len)
-{
-	return crc32_generic_shift(crc, len, CRC32_POLY_LE);
-}
-EXPORT_SYMBOL(crc32_le_shift);
-
-u32 crc32_be_base(u32 crc, const u8 *p, size_t len)
-{
-	while (len--)
-		crc = (crc << 8) ^ crc32table_be[(crc >> 24) ^ *p++];
-	return crc;
-}
-EXPORT_SYMBOL(crc32_be_base);
diff --git a/lib/tests/Makefile b/lib/tests/Makefile
index 8294abbe21f1..83434b722193 100644
--- a/lib/tests/Makefile
+++ b/lib/tests/Makefile
@@ -10,7 +10,6 @@ obj-$(CONFIG_BLACKHOLE_DEV_KUNIT_TEST) += blackhole_dev_kunit.o
 obj-$(CONFIG_CHECKSUM_KUNIT) += checksum_kunit.o
 obj-$(CONFIG_CMDLINE_KUNIT_TEST) += cmdline_kunit.o
 obj-$(CONFIG_CPUMASK_KUNIT_TEST) += cpumask_kunit.o
-obj-$(CONFIG_CRC_KUNIT_TEST) += crc_kunit.o
 CFLAGS_fortify_kunit.o += $(call cc-disable-warning, unsequenced)
 CFLAGS_fortify_kunit.o += $(call cc-disable-warning, stringop-overread)
 CFLAGS_fortify_kunit.o += $(call cc-disable-warning, stringop-truncation)