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Message-ID: <20250323222415.GC9584@sol.localdomain>
Date: Sun, 23 Mar 2025 15:24:15 -0700
From: Eric Biggers <ebiggers@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
x86@...nel.org, linux-crypto@...r.kernel.org,
Alexandre Ghiti <alexghiti@...osinc.com>,
Ard Biesheuvel <ardb@...nel.org>, Keith Busch <kbusch@...nel.org>,
"Martin K. Petersen" <martin.petersen@...cle.com>,
Uros Bizjak <ubizjak@...il.com>
Subject: [GIT PULL] CRC updates for 6.15
The following changes since commit 2014c95afecee3e76ca4a56956a936e23283f05b:
Linux 6.14-rc1 (2025-02-02 15:39:26 -0800)
are available in the Git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git tags/crc-for-linus
for you to fetch changes up to acf9f8da5e19fc1cbf26f2ecb749369e13e7cd85:
x86/crc: drop the avx10_256 functions and rename avx10_512 to avx512 (2025-03-19 12:22:00 -0700)
----------------------------------------------------------------
Another set of improvements to the kernel's CRC (cyclic redundancy
check) code:
- Rework the CRC64 library functions to be directly optimized, like what
I did last cycle for the CRC32 and CRC-T10DIF library functions.
- Rewrite the x86 PCLMULQDQ-optimized CRC code, and add VPCLMULQDQ
support and acceleration for crc64_be and crc64_nvme.
- Rewrite the riscv Zbc-optimized CRC code, and add acceleration for
crc_t10dif, crc64_be, and crc64_nvme.
- Remove crc_t10dif and crc64_rocksoft from the crypto API, since they
are no longer needed there.
- Rename crc64_rocksoft to crc64_nvme, as the old name was incorrect.
- Add kunit test cases for crc64_nvme and crc7.
- Eliminate redundant functions for calculating the Castagnoli CRC32,
settling on just crc32c().
- Remove unnecessary prompts from some of the CRC kconfig options.
- Further optimize the x86 crc32c code.
----------------------------------------------------------------
Eric Biggers (36):
lib/crc64-rocksoft: stop wrapping the crypto API
crypto: crc64-rocksoft - remove from crypto API
lib/crc64: rename CRC64-Rocksoft to CRC64-NVME
lib/crc_kunit.c: add test and benchmark for CRC64-NVME
lib/crc64: add support for arch-optimized implementations
lib/crc32: remove obsolete CRC32 options from defconfig files
mips/crc32: remove unused enums
lib/crc32: use void pointer for data
lib/crc32: don't bother with pure and const function attributes
lib/crc32: standardize on crc32c() name for Castagnoli CRC32
lib/crc32: rename __crc32c_le_combine() to crc32c_combine()
lib/crc32: remove "_le" from crc32c base and arch functions
crypto: crct10dif - remove from crypto API
lib/crc-t10dif: remove crc_t10dif_is_optimized()
x86: move ZMM exclusion list into CPU feature flag
scripts/gen-crc-consts: add gen-crc-consts.py
x86/crc: add "template" for [V]PCLMULQDQ based CRC functions
x86/crc32: implement crc32_le using new template
x86/crc-t10dif: implement crc_t10dif using new template
x86/crc64: implement crc64_be and crc64_nvme using new template
x86/crc32: improve crc32c_arch() code generation with clang
x86/crc: add ANNOTATE_NOENDBR to suppress objtool warnings
riscv/crc: add "template" for Zbc optimized CRC functions
riscv/crc32: reimplement the CRC32 functions using new template
riscv/crc-t10dif: add Zbc optimized CRC-T10DIF function
riscv/crc64: add Zbc optimized CRC64 functions
x86/crc32: optimize tail handling for crc32c short inputs
lib/crc_kunit.c: add test and benchmark for crc7_be()
lib/crc_kunit.c: update comment in crc_benchmark()
lib/crc7: unexport crc7_be_syndrome_table
lib/crc: remove unnecessary prompt for CONFIG_CRC4
lib/crc: remove unnecessary prompt for CONFIG_CRC7
lib/crc: remove unnecessary prompt for CONFIG_CRC8
lib/crc: remove unnecessary prompt for CONFIG_LIBCRC32C
lib/crc: remove unnecessary prompt for CONFIG_CRC64
x86/crc: drop the avx10_256 functions and rename avx10_512 to avx512
MAINTAINERS | 1 +
arch/arm/configs/dove_defconfig | 1 -
arch/arm/configs/ep93xx_defconfig | 1 -
arch/arm/configs/imx_v6_v7_defconfig | 2 -
arch/arm/configs/lpc18xx_defconfig | 1 -
arch/arm/configs/moxart_defconfig | 1 -
arch/arm/configs/multi_v5_defconfig | 1 -
arch/arm/configs/mvebu_v5_defconfig | 1 -
arch/arm/configs/mxs_defconfig | 1 -
arch/arm/configs/omap1_defconfig | 1 -
arch/arm/configs/omap2plus_defconfig | 2 -
arch/arm/configs/spitz_defconfig | 1 -
arch/arm/configs/stm32_defconfig | 1 -
arch/arm/configs/wpcm450_defconfig | 1 -
arch/arm/lib/crc-t10dif-glue.c | 6 -
arch/arm/lib/crc32-glue.c | 12 +-
arch/arm64/lib/crc-t10dif-glue.c | 6 -
arch/arm64/lib/crc32-glue.c | 10 +-
arch/hexagon/configs/comet_defconfig | 1 -
arch/loongarch/lib/crc32-loongarch.c | 6 +-
arch/mips/configs/bcm47xx_defconfig | 1 -
arch/mips/configs/bigsur_defconfig | 1 -
arch/mips/configs/cobalt_defconfig | 1 -
arch/mips/configs/db1xxx_defconfig | 1 -
arch/mips/configs/decstation_64_defconfig | 1 -
arch/mips/configs/decstation_defconfig | 1 -
arch/mips/configs/decstation_r4k_defconfig | 1 -
arch/mips/configs/fuloong2e_defconfig | 1 -
arch/mips/configs/ip32_defconfig | 1 -
arch/mips/configs/rt305x_defconfig | 1 -
arch/mips/configs/xway_defconfig | 1 -
arch/mips/lib/crc32-mips.c | 15 +-
arch/parisc/configs/generic-64bit_defconfig | 1 -
arch/powerpc/configs/85xx/ge_imp3a_defconfig | 1 -
arch/powerpc/configs/adder875_defconfig | 1 -
arch/powerpc/configs/ep88xc_defconfig | 1 -
arch/powerpc/configs/mpc866_ads_defconfig | 1 -
arch/powerpc/configs/mpc885_ads_defconfig | 1 -
arch/powerpc/configs/skiroot_defconfig | 1 -
arch/powerpc/configs/tqm8xx_defconfig | 1 -
arch/powerpc/lib/crc-t10dif-glue.c | 6 -
arch/powerpc/lib/crc32-glue.c | 10 +-
arch/riscv/Kconfig | 2 +
arch/riscv/lib/Makefile | 5 +
arch/riscv/lib/crc-clmul-consts.h | 122 ++++++
arch/riscv/lib/crc-clmul-template.h | 265 +++++++++++
arch/riscv/lib/crc-clmul.h | 23 +
arch/riscv/lib/crc-t10dif.c | 24 +
arch/riscv/lib/crc16_msb.c | 18 +
arch/riscv/lib/crc32-riscv.c | 311 -------------
arch/riscv/lib/crc32.c | 53 +++
arch/riscv/lib/crc32_lsb.c | 18 +
arch/riscv/lib/crc32_msb.c | 18 +
arch/riscv/lib/crc64.c | 34 ++
arch/riscv/lib/crc64_lsb.c | 18 +
arch/riscv/lib/crc64_msb.c | 18 +
arch/s390/configs/debug_defconfig | 3 -
arch/s390/configs/defconfig | 3 -
arch/s390/lib/crc32-glue.c | 2 +-
arch/sh/configs/se7206_defconfig | 2 -
arch/sh/configs/sh2007_defconfig | 1 -
arch/sh/configs/titan_defconfig | 1 -
arch/sparc/configs/sparc32_defconfig | 1 -
arch/sparc/configs/sparc64_defconfig | 1 -
arch/sparc/lib/crc32_glue.c | 10 +-
arch/x86/Kconfig | 3 +-
arch/x86/crypto/aesni-intel_glue.c | 22 +-
arch/x86/include/asm/cpufeatures.h | 1 +
arch/x86/kernel/cpu/intel.c | 22 +
arch/x86/lib/Makefile | 5 +-
arch/x86/lib/crc-pclmul-consts.h | 195 +++++++++
arch/x86/lib/crc-pclmul-template.S | 582 +++++++++++++++++++++++++
arch/x86/lib/crc-pclmul-template.h | 76 ++++
arch/x86/lib/crc-t10dif-glue.c | 29 +-
arch/x86/lib/crc16-msb-pclmul.S | 6 +
arch/x86/lib/crc32-glue.c | 57 +--
arch/x86/lib/crc32-pclmul.S | 219 +---------
arch/x86/lib/crc64-glue.c | 50 +++
arch/x86/lib/crc64-pclmul.S | 7 +
arch/x86/lib/crct10dif-pcl-asm_64.S | 332 --------------
block/Kconfig | 2 +-
block/t10-pi.c | 2 +-
crypto/Kconfig | 20 -
crypto/Makefile | 3 -
crypto/crc32c_generic.c | 8 +-
crypto/crc64_rocksoft_generic.c | 89 ----
crypto/crct10dif_generic.c | 168 -------
crypto/tcrypt.c | 8 -
crypto/testmgr.c | 14 -
crypto/testmgr.h | 303 -------------
drivers/crypto/stm32/stm32-crc32.c | 2 +-
drivers/infiniband/sw/siw/siw.h | 4 +-
drivers/md/raid5-cache.c | 31 +-
drivers/md/raid5-ppl.c | 16 +-
drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c | 2 +-
drivers/thunderbolt/ctl.c | 2 +-
drivers/thunderbolt/eeprom.c | 2 +-
include/linux/crc-t10dif.h | 12 -
include/linux/crc32.h | 55 ++-
include/linux/crc32c.h | 8 -
include/linux/crc64.h | 38 +-
include/linux/crc7.h | 7 -
include/net/sctp/checksum.h | 7 +-
lib/Kconfig | 45 +-
lib/Kconfig.debug | 1 +
lib/Makefile | 1 -
lib/crc32.c | 21 +-
lib/crc64-rocksoft.c | 126 ------
lib/crc64.c | 49 +--
lib/crc7.c | 6 +-
lib/crc_kunit.c | 68 ++-
lib/gen_crc64table.c | 10 +-
scripts/gen-crc-consts.py | 291 +++++++++++++
sound/soc/codecs/aw88395/aw88395_device.c | 2 +-
tools/testing/selftests/arm64/fp/kernel-test.c | 1 -
115 files changed, 2121 insertions(+), 1969 deletions(-)
create mode 100644 arch/riscv/lib/crc-clmul-consts.h
create mode 100644 arch/riscv/lib/crc-clmul-template.h
create mode 100644 arch/riscv/lib/crc-clmul.h
create mode 100644 arch/riscv/lib/crc-t10dif.c
create mode 100644 arch/riscv/lib/crc16_msb.c
delete mode 100644 arch/riscv/lib/crc32-riscv.c
create mode 100644 arch/riscv/lib/crc32.c
create mode 100644 arch/riscv/lib/crc32_lsb.c
create mode 100644 arch/riscv/lib/crc32_msb.c
create mode 100644 arch/riscv/lib/crc64.c
create mode 100644 arch/riscv/lib/crc64_lsb.c
create mode 100644 arch/riscv/lib/crc64_msb.c
create mode 100644 arch/x86/lib/crc-pclmul-consts.h
create mode 100644 arch/x86/lib/crc-pclmul-template.S
create mode 100644 arch/x86/lib/crc-pclmul-template.h
create mode 100644 arch/x86/lib/crc16-msb-pclmul.S
create mode 100644 arch/x86/lib/crc64-glue.c
create mode 100644 arch/x86/lib/crc64-pclmul.S
delete mode 100644 arch/x86/lib/crct10dif-pcl-asm_64.S
delete mode 100644 crypto/crc64_rocksoft_generic.c
delete mode 100644 crypto/crct10dif_generic.c
delete mode 100644 lib/crc64-rocksoft.c
create mode 100755 scripts/gen-crc-consts.py
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