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Move the contents of arch/s390/lib/crypto/ into lib/crypto/s390/.
The new code organization makes a lot more sense for how this code
actually works and is developed. In particular, it makes it possible to
build each algorithm as a single module, with better inlining and dead
code elimination. For a more detailed explanation, see the patchset
which did this for the CRC library code:
https://lore.kernel.org/r/20250607200454.73587-1-ebiggers@kernel.org/.
Also see the patchset which did this for SHA-512:
https://lore.kernel.org/linux-crypto/20250616014019.415791-1-ebiggers@kernel.org/
This is just a preparatory commit, which does the move to get the files
into their new location but keeps them building the same way as before.
Later commits will make the actual improvements to the way the
arch-optimized code is integrated for each algorithm.
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Sohil Mehta <sohil.mehta@intel.com>
Link: https://lore.kernel.org/r/20250619191908.134235-7-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
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When the s390 SHA-256 code is built as a loadable module, name it
sha256-s390.ko instead of sha256.ko. This avoids a module name
collision with crypto/sha256.ko and makes it consistent with the other
architectures.
We should consider making a single module provide all the SHA-256
library code, which would prevent issues like this. But for now this is
the fix that's needed.
Fixes: b9eac03edcf8 ("crypto: s390/sha256 - implement library instead of shash")
Reported-by: Alex Williamson <alex.williamson@redhat.com>
Closes: https://lore.kernel.org/r/20250529110526.6d2959a9.alex.williamson@redhat.com/
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Instead of providing crypto_shash algorithms for the arch-optimized
SHA-256 code, instead implement the SHA-256 library. This is much
simpler, it makes the SHA-256 library functions be arch-optimized, and
it fixes the longstanding issue where the arch-optimized SHA-256 was
disabled by default. SHA-256 still remains available through
crypto_shash, but individual architectures no longer need to handle it.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Continue disentangling the crypto library functions from the generic
crypto infrastructure by moving the s390 ChaCha library functions into a
new directory arch/s390/lib/crypto/ that does not depend on CRYPTO.
This mirrors the distinction between crypto/ and lib/crypto/.
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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