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lib/crc: arm64: Drop unnecessary chunking logic from crc64

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On arm64, kernel mode NEON executes with preemption enabled, so there is
no need to chunk the input by hand.

Signed-off-by: Ard Biesheuvel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Eric Biggers <[email protected]>
This commit is contained in:
Ard Biesheuvel authored and Eric Biggers committed 2026-04-02 16:14:53 -07:00
1 parent 5276ea17a2
commit e0718ed60d
1 file changed
+5 -7
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lib/crc/arm64/crc64.h
+5 -7
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@@ -16,15 +16,13 @@ static inline u64 crc64_nvme_arch(u64 crc, const u8 *p, size_t len)
{
if (len >= 128 && cpu_have_named_feature(PMULL) &&
likely(may_use_simd())) {
do {
size_t chunk = min_t(size_t, len & ~15, SZ_4K);
size_t chunk = len & ~15;
scoped_ksimd()
crc = crc64_nvme_arm64_c(crc, p, chunk);
scoped_ksimd()
crc = crc64_nvme_arm64_c(crc, p, chunk);
p += chunk;
len -= chunk;
} while (len >= 128);
p += chunk;
len &= 15;
}
return crc64_nvme_generic(crc, p, len);
}