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| author |   Eric Biggers <ebiggers@google.com> | 2025-05-19 10:50:09 -0700 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2025-05-21 15:40:17 -0700 |
| commit | b82f72292ab4c65250bd734281464a6ab1ff4133 (patch) | |
| tree | 3c01c3fe2d331e513314e112c7531056b801228b /lib | |
| parent | net: fold __skb_checksum() into skb_checksum() (diff) | |
| download | linux-rng-b82f72292ab4c65250bd734281464a6ab1ff4133.tar.xz linux-rng-b82f72292ab4c65250bd734281464a6ab1ff4133.zip | |
lib/crc32: remove unused support for CRC32C combination
crc32c_combine() and crc32c_shift() are no longer used (except by the
KUnit test that tests them), and their current implementation is very
slow. Remove them.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://patch.msgid.link/20250519175012.36581-8-ebiggers@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/crc32.c | 6 | ||||
| -rw-r--r-- | lib/tests/crc_kunit.c | 6 |
2 files changed, 0 insertions, 12 deletions
diff --git a/lib/crc32.c b/lib/crc32.c index fddd424ff224..ade48bbb0083 100644 --- a/lib/crc32.c +++ b/lib/crc32.c @@ -119,12 +119,6 @@ u32 crc32_le_shift(u32 crc, size_t len) } EXPORT_SYMBOL(crc32_le_shift); -u32 crc32c_shift(u32 crc, size_t len) -{ - return crc32_generic_shift(crc, len, CRC32C_POLY_LE); -} -EXPORT_SYMBOL(crc32c_shift); - u32 crc32_be_base(u32 crc, const u8 *p, size_t len) { while (len--) diff --git a/lib/tests/crc_kunit.c b/lib/tests/crc_kunit.c index 585c48b65cef..064c2d581557 100644 --- a/lib/tests/crc_kunit.c +++ b/lib/tests/crc_kunit.c @@ -391,17 +391,11 @@ static u64 crc32c_wrapper(u64 crc, const u8 *p, size_t len) return crc32c(crc, p, len); } -static u64 crc32c_combine_wrapper(u64 crc1, u64 crc2, size_t len2) -{ - return crc32c_combine(crc1, crc2, len2); -} - static const struct crc_variant crc_variant_crc32c = { .bits = 32, .le = true, .poly = 0x82f63b78, .func = crc32c_wrapper, - .combine_func = crc32c_combine_wrapper, }; static void crc32c_test(struct kunit *test) |