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crypto: arm64/sha - add missing module aliases

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commit 0df07d8117c3576f1603b05b84089742a118d10a upstream.

The accelerated, instruction based implementations of SHA1, SHA2 and
SHA3 are autoloaded based on CPU capabilities, given that the code is
modest in size, and widely used, which means that resolving the algo
name, loading all compatible modules and picking the one with the
highest priority is taken to be suboptimal.

However, if these algorithms are requested before this CPU feature
based matching and autoloading occurs, these modules are not even
considered, and we end up with suboptimal performance.

So add the missing module aliases for the various SHA implementations.

Cc: <stable@vger.kernel.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ard Biesheuvel 2021-01-14 19:10:10 +01:00 committed by Greg Kroah-Hartman
parent 1f8586fb4e
commit e2c540e181
4 changed files with 9 additions and 0 deletions
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1
arch/arm64/crypto/sha1-ce-glue.c
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@ -19,6 +19,7 @@
MODULE_DESCRIPTION("SHA1 secure hash using ARMv8 Crypto Extensions");
MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS_CRYPTO("sha1");
struct sha1_ce_state {
struct sha1_state sst;

2
arch/arm64/crypto/sha2-ce-glue.c
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@ -19,6 +19,8 @@
MODULE_DESCRIPTION("SHA-224/SHA-256 secure hash using ARMv8 Crypto Extensions");
MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS_CRYPTO("sha224");
MODULE_ALIAS_CRYPTO("sha256");
struct sha256_ce_state {
struct sha256_state sst;

4
arch/arm64/crypto/sha3-ce-glue.c
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@ -23,6 +23,10 @@
MODULE_DESCRIPTION("SHA3 secure hash using ARMv8 Crypto Extensions");
MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS_CRYPTO("sha3-224");
MODULE_ALIAS_CRYPTO("sha3-256");
MODULE_ALIAS_CRYPTO("sha3-384");
MODULE_ALIAS_CRYPTO("sha3-512");
asmlinkage void sha3_ce_transform(u64 *st, const u8 *data, int blocks,
int md_len);

2
arch/arm64/crypto/sha512-ce-glue.c
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@ -23,6 +23,8 @@
MODULE_DESCRIPTION("SHA-384/SHA-512 secure hash using ARMv8 Crypto Extensions");
MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS_CRYPTO("sha384");
MODULE_ALIAS_CRYPTO("sha512");
asmlinkage void sha512_ce_transform(struct sha512_state *sst, u8 const *src,
int blocks);