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Donenfeld" , Ard Biesheuvel Subject: [PATCH v3 04/13] crypto: x86 - drop redundant dependencies on X86 Date: Tue, 22 Apr 2025 08:27:07 -0700 Message-ID: <20250422152716.5923-5-ebiggers@kernel.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250422152716.5923-1-ebiggers@kernel.org> References: <20250422152716.5923-1-ebiggers@kernel.org> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Eric Biggers arch/x86/crypto/Kconfig is sourced only when CONFIG_X86=y, so there is no need for the symbols defined inside it to depend on X86. In the case of CRYPTO_TWOFISH_586 and CRYPTO_TWOFISH_X86_64, the dependency was actually on '(X86 || UML_X86)', which suggests that these two symbols were intended to be available under user-mode Linux as well. Yet, again these symbols were defined only when CONFIG_X86=y, so that was not the case. Just remove this redundant dependency. Acked-by: Ard Biesheuvel Signed-off-by: Eric Biggers --- arch/x86/crypto/Kconfig | 67 ++++++++++++++++++++--------------------- 1 file changed, 33 insertions(+), 34 deletions(-) diff --git a/arch/x86/crypto/Kconfig b/arch/x86/crypto/Kconfig index 9a3cade49f638..b4df6cf37e0ea 100644 --- a/arch/x86/crypto/Kconfig +++ b/arch/x86/crypto/Kconfig @@ -2,11 +2,11 @@ menu "Accelerated Cryptographic Algorithms for CPU (x86)" config CRYPTO_CURVE25519_X86 tristate - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_KPP select CRYPTO_LIB_CURVE25519_GENERIC select CRYPTO_ARCH_HAVE_LIB_CURVE25519 default CRYPTO_LIB_CURVE25519_INTERNAL help @@ -15,11 +15,10 @@ config CRYPTO_CURVE25519_X86 Architecture: x86_64 using: - ADX (large integer arithmetic) config CRYPTO_AES_NI_INTEL tristate "Ciphers: AES, modes: ECB, CBC, CTS, CTR, XCTR, XTS, GCM (AES-NI/VAES)" - depends on X86 select CRYPTO_AEAD select CRYPTO_LIB_AES select CRYPTO_LIB_GF128MUL select CRYPTO_ALGAPI select CRYPTO_SKCIPHER @@ -35,11 +34,11 @@ config CRYPTO_AES_NI_INTEL Some algorithm implementations are supported only in 64-bit builds, and some have additional prerequisites such as AVX2 or AVX512. config CRYPTO_BLOWFISH_X86_64 tristate "Ciphers: Blowfish, modes: ECB, CBC" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_SKCIPHER select CRYPTO_BLOWFISH_COMMON imply CRYPTO_CTR help Block cipher: Blowfish cipher algorithm @@ -47,22 +46,22 @@ config CRYPTO_BLOWFISH_X86_64 Architecture: x86_64 config CRYPTO_CAMELLIA_X86_64 tristate "Ciphers: Camellia with modes: ECB, CBC" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_SKCIPHER imply CRYPTO_CTR help Block cipher: Camellia cipher algorithms Length-preserving ciphers: Camellia with ECB and CBC modes Architecture: x86_64 config CRYPTO_CAMELLIA_AESNI_AVX_X86_64 tristate "Ciphers: Camellia with modes: ECB, CBC (AES-NI/AVX)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_SKCIPHER select CRYPTO_CAMELLIA_X86_64 imply CRYPTO_XTS help Length-preserving ciphers: Camellia with ECB and CBC modes @@ -71,22 +70,22 @@ config CRYPTO_CAMELLIA_AESNI_AVX_X86_64 - AES-NI (AES New Instructions) - AVX (Advanced Vector Extensions) config CRYPTO_CAMELLIA_AESNI_AVX2_X86_64 tristate "Ciphers: Camellia with modes: ECB, CBC (AES-NI/AVX2)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_CAMELLIA_AESNI_AVX_X86_64 help Length-preserving ciphers: Camellia with ECB and CBC modes Architecture: x86_64 using: - AES-NI (AES New Instructions) - AVX2 (Advanced Vector Extensions 2) config CRYPTO_CAST5_AVX_X86_64 tristate "Ciphers: CAST5 with modes: ECB, CBC (AVX)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_SKCIPHER select CRYPTO_CAST5 select CRYPTO_CAST_COMMON imply CRYPTO_CTR help @@ -98,11 +97,11 @@ config CRYPTO_CAST5_AVX_X86_64 Processes 16 blocks in parallel. config CRYPTO_CAST6_AVX_X86_64 tristate "Ciphers: CAST6 with modes: ECB, CBC (AVX)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_SKCIPHER select CRYPTO_CAST6 select CRYPTO_CAST_COMMON imply CRYPTO_XTS imply CRYPTO_CTR @@ -115,11 +114,11 @@ config CRYPTO_CAST6_AVX_X86_64 Processes eight blocks in parallel. config CRYPTO_DES3_EDE_X86_64 tristate "Ciphers: Triple DES EDE with modes: ECB, CBC" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_SKCIPHER select CRYPTO_LIB_DES imply CRYPTO_CTR help Block cipher: Triple DES EDE (FIPS 46-3) cipher algorithm @@ -129,11 +128,11 @@ config CRYPTO_DES3_EDE_X86_64 Processes one or three blocks in parallel. config CRYPTO_SERPENT_SSE2_X86_64 tristate "Ciphers: Serpent with modes: ECB, CBC (SSE2)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_SKCIPHER select CRYPTO_SERPENT imply CRYPTO_CTR help Length-preserving ciphers: Serpent cipher algorithm @@ -144,11 +143,11 @@ config CRYPTO_SERPENT_SSE2_X86_64 Processes eight blocks in parallel. config CRYPTO_SERPENT_SSE2_586 tristate "Ciphers: Serpent with modes: ECB, CBC (32-bit with SSE2)" - depends on X86 && !64BIT + depends on !64BIT select CRYPTO_SKCIPHER select CRYPTO_SERPENT imply CRYPTO_CTR help Length-preserving ciphers: Serpent cipher algorithm @@ -159,11 +158,11 @@ config CRYPTO_SERPENT_SSE2_586 Processes four blocks in parallel. config CRYPTO_SERPENT_AVX_X86_64 tristate "Ciphers: Serpent with modes: ECB, CBC (AVX)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_SKCIPHER select CRYPTO_SERPENT imply CRYPTO_XTS imply CRYPTO_CTR help @@ -175,11 +174,11 @@ config CRYPTO_SERPENT_AVX_X86_64 Processes eight blocks in parallel. config CRYPTO_SERPENT_AVX2_X86_64 tristate "Ciphers: Serpent with modes: ECB, CBC (AVX2)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_SERPENT_AVX_X86_64 help Length-preserving ciphers: Serpent cipher algorithm with ECB and CBC modes @@ -188,11 +187,11 @@ config CRYPTO_SERPENT_AVX2_X86_64 Processes 16 blocks in parallel. config CRYPTO_SM4_AESNI_AVX_X86_64 tristate "Ciphers: SM4 with modes: ECB, CBC, CTR (AES-NI/AVX)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_SKCIPHER select CRYPTO_ALGAPI select CRYPTO_SM4 help Length-preserving ciphers: SM4 cipher algorithms @@ -208,11 +207,11 @@ config CRYPTO_SM4_AESNI_AVX_X86_64 If unsure, say N. config CRYPTO_SM4_AESNI_AVX2_X86_64 tristate "Ciphers: SM4 with modes: ECB, CBC, CTR (AES-NI/AVX2)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_SKCIPHER select CRYPTO_ALGAPI select CRYPTO_SM4 select CRYPTO_SM4_AESNI_AVX_X86_64 help @@ -229,33 +228,33 @@ config CRYPTO_SM4_AESNI_AVX2_X86_64 If unsure, say N. config CRYPTO_TWOFISH_586 tristate "Ciphers: Twofish (32-bit)" - depends on (X86 || UML_X86) && !64BIT + depends on !64BIT select CRYPTO_ALGAPI select CRYPTO_TWOFISH_COMMON imply CRYPTO_CTR help Block cipher: Twofish cipher algorithm Architecture: x86 (32-bit) config CRYPTO_TWOFISH_X86_64 tristate "Ciphers: Twofish" - depends on (X86 || UML_X86) && 64BIT + depends on 64BIT select CRYPTO_ALGAPI select CRYPTO_TWOFISH_COMMON imply CRYPTO_CTR help Block cipher: Twofish cipher algorithm Architecture: x86_64 config CRYPTO_TWOFISH_X86_64_3WAY tristate "Ciphers: Twofish with modes: ECB, CBC (3-way parallel)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_SKCIPHER select CRYPTO_TWOFISH_COMMON select CRYPTO_TWOFISH_X86_64 help Length-preserving cipher: Twofish cipher algorithm @@ -266,11 +265,11 @@ config CRYPTO_TWOFISH_X86_64_3WAY Processes three blocks in parallel, better utilizing resources of out-of-order CPUs. config CRYPTO_TWOFISH_AVX_X86_64 tristate "Ciphers: Twofish with modes: ECB, CBC (AVX)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_SKCIPHER select CRYPTO_TWOFISH_COMMON select CRYPTO_TWOFISH_X86_64 select CRYPTO_TWOFISH_X86_64_3WAY imply CRYPTO_XTS @@ -283,11 +282,11 @@ config CRYPTO_TWOFISH_AVX_X86_64 Processes eight blocks in parallel. config CRYPTO_ARIA_AESNI_AVX_X86_64 tristate "Ciphers: ARIA with modes: ECB, CTR (AES-NI/AVX/GFNI)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_SKCIPHER select CRYPTO_ALGAPI select CRYPTO_ARIA help Length-preserving cipher: ARIA cipher algorithms @@ -300,11 +299,11 @@ config CRYPTO_ARIA_AESNI_AVX_X86_64 Processes 16 blocks in parallel. config CRYPTO_ARIA_AESNI_AVX2_X86_64 tristate "Ciphers: ARIA with modes: ECB, CTR (AES-NI/AVX2/GFNI)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_SKCIPHER select CRYPTO_ALGAPI select CRYPTO_ARIA select CRYPTO_ARIA_AESNI_AVX_X86_64 help @@ -318,11 +317,11 @@ config CRYPTO_ARIA_AESNI_AVX2_X86_64 Processes 32 blocks in parallel. config CRYPTO_ARIA_GFNI_AVX512_X86_64 tristate "Ciphers: ARIA with modes: ECB, CTR (AVX512/GFNI)" - depends on X86 && 64BIT && AS_GFNI + depends on 64BIT && AS_GFNI select CRYPTO_SKCIPHER select CRYPTO_ALGAPI select CRYPTO_ARIA select CRYPTO_ARIA_AESNI_AVX_X86_64 select CRYPTO_ARIA_AESNI_AVX2_X86_64 @@ -336,49 +335,49 @@ config CRYPTO_ARIA_GFNI_AVX512_X86_64 Processes 64 blocks in parallel. config CRYPTO_CHACHA20_X86_64 tristate - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_LIB_CHACHA_GENERIC select CRYPTO_ARCH_HAVE_LIB_CHACHA default CRYPTO_LIB_CHACHA_INTERNAL config CRYPTO_AEGIS128_AESNI_SSE2 tristate "AEAD ciphers: AEGIS-128 (AES-NI/SSE4.1)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_AEAD help AEGIS-128 AEAD algorithm Architecture: x86_64 using: - AES-NI (AES New Instructions) - SSE4.1 (Streaming SIMD Extensions 4.1) config CRYPTO_NHPOLY1305_SSE2 tristate "Hash functions: NHPoly1305 (SSE2)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_NHPOLY1305 help NHPoly1305 hash function for Adiantum Architecture: x86_64 using: - SSE2 (Streaming SIMD Extensions 2) config CRYPTO_NHPOLY1305_AVX2 tristate "Hash functions: NHPoly1305 (AVX2)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_NHPOLY1305 help NHPoly1305 hash function for Adiantum Architecture: x86_64 using: - AVX2 (Advanced Vector Extensions 2) config CRYPTO_BLAKE2S_X86 bool "Hash functions: BLAKE2s (SSSE3/AVX-512)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_LIB_BLAKE2S_GENERIC select CRYPTO_ARCH_HAVE_LIB_BLAKE2S help BLAKE2s cryptographic hash function (RFC 7693) @@ -386,27 +385,27 @@ config CRYPTO_BLAKE2S_X86 - SSSE3 (Supplemental SSE3) - AVX-512 (Advanced Vector Extensions-512) config CRYPTO_POLYVAL_CLMUL_NI tristate "Hash functions: POLYVAL (CLMUL-NI)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_POLYVAL help POLYVAL hash function for HCTR2 Architecture: x86_64 using: - CLMUL-NI (carry-less multiplication new instructions) config CRYPTO_POLY1305_X86_64 tristate - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_ARCH_HAVE_LIB_POLY1305 default CRYPTO_LIB_POLY1305_INTERNAL config CRYPTO_SHA1_SSSE3 tristate "Hash functions: SHA-1 (SSSE3/AVX/AVX2/SHA-NI)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_SHA1 select CRYPTO_HASH help SHA-1 secure hash algorithm (FIPS 180) @@ -416,11 +415,11 @@ config CRYPTO_SHA1_SSSE3 - AVX2 (Advanced Vector Extensions 2) - SHA-NI (SHA Extensions New Instructions) config CRYPTO_SHA256_SSSE3 tristate "Hash functions: SHA-224 and SHA-256 (SSSE3/AVX/AVX2/SHA-NI)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_SHA256 select CRYPTO_HASH help SHA-224 and SHA-256 secure hash algorithms (FIPS 180) @@ -430,11 +429,11 @@ config CRYPTO_SHA256_SSSE3 - AVX2 (Advanced Vector Extensions 2) - SHA-NI (SHA Extensions New Instructions) config CRYPTO_SHA512_SSSE3 tristate "Hash functions: SHA-384 and SHA-512 (SSSE3/AVX/AVX2)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_SHA512 select CRYPTO_HASH help SHA-384 and SHA-512 secure hash algorithms (FIPS 180) @@ -443,11 +442,11 @@ config CRYPTO_SHA512_SSSE3 - AVX (Advanced Vector Extensions) - AVX2 (Advanced Vector Extensions 2) config CRYPTO_SM3_AVX_X86_64 tristate "Hash functions: SM3 (AVX)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_HASH select CRYPTO_LIB_SM3 help SM3 secure hash function as defined by OSCCA GM/T 0004-2012 SM3 @@ -456,11 +455,11 @@ config CRYPTO_SM3_AVX_X86_64 If unsure, say N. config CRYPTO_GHASH_CLMUL_NI_INTEL tristate "Hash functions: GHASH (CLMUL-NI)" - depends on X86 && 64BIT + depends on 64BIT select CRYPTO_CRYPTD help GCM GHASH hash function (NIST SP800-38D) Architecture: x86_64 using: -- 2.49.0