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| author | Arvind Sankar <nivedita@alum.mit.edu> | 2020-10-25 10:31:18 -0400 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-10-30 17:35:03 +1100 |
| commit | 63642d5c141f1bcbe97f7895467a724ad2e3f346 (patch) | |
| tree | 35003e2ad39f82b068ab6df515c87e9db8dee19c /mm/debug_vm_pgtable.c | |
| parent | b8399819b2dd6f29195ed7535217b66c01b1e57d (diff) | |
crypto: lib/sha256 - Unroll SHA256 loop 8 times intead of 64
This reduces code size substantially (on x86_64 with gcc-10 the size of
sha256_update() goes from 7593 bytes to 1952 bytes including the new
SHA256_K array), and on x86 is slightly faster than the full unroll
(tested on Broadwell Xeon).
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'mm/debug_vm_pgtable.c')
0 files changed, 0 insertions, 0 deletions