lib/crypto: poly1305: Remove unused function poly1305_is_arch_optimized()

poly1305_is_arch_optimized() is unused, so remove it.

Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20250829152513.92459-2-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>

diff --git a/include/crypto/poly1305.h b/include/crypto/poly1305.h
index e54abda8cfe95e591efc446e62e14cfa27a290f4..d4daeec8da19d84e3838085c3cdca86270acc2f1 100644 (file)
--- a/include/crypto/poly1305.h
+++ b/include/crypto/poly1305.h
@@ -64,13 +64,4 @@ void poly1305_update(struct poly1305_desc_ctx *desc,
                     const u8 *src, unsigned int nbytes);
 void poly1305_final(struct poly1305_desc_ctx *desc, u8 *digest);
 
-#if IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_POLY1305)
-bool poly1305_is_arch_optimized(void);
-#else
-static inline bool poly1305_is_arch_optimized(void)
-{
-       return false;
-}
-#endif
-
 #endif

diff --git a/lib/crypto/arm/poly1305-glue.c b/lib/crypto/arm/poly1305-glue.c
index 2d86c78af8837b0d2a7ac83fb1153d47e117765a..9e513e319e37c979f8934535382832b325e34116 100644 (file)
--- a/lib/crypto/arm/poly1305-glue.c
+++ b/lib/crypto/arm/poly1305-glue.c
@@ -51,13 +51,6 @@ void poly1305_blocks_arch(struct poly1305_block_state *state, const u8 *src,
 }
 EXPORT_SYMBOL_GPL(poly1305_blocks_arch);
 
-bool poly1305_is_arch_optimized(void)
-{
-       /* We always can use at least the ARM scalar implementation. */
-       return true;
-}
-EXPORT_SYMBOL(poly1305_is_arch_optimized);
-
 static int __init arm_poly1305_mod_init(void)
 {
        if (IS_ENABLED(CONFIG_KERNEL_MODE_NEON) &&

diff --git a/lib/crypto/arm64/poly1305-glue.c b/lib/crypto/arm64/poly1305-glue.c
index 31aea21ce42f79e08e4e028229deaebf61eab07b..d4a522e7d25a9698159722c1714b6013395a9184 100644 (file)
--- a/lib/crypto/arm64/poly1305-glue.c
+++ b/lib/crypto/arm64/poly1305-glue.c
@@ -50,13 +50,6 @@ void poly1305_blocks_arch(struct poly1305_block_state *state, const u8 *src,
 }
 EXPORT_SYMBOL_GPL(poly1305_blocks_arch);
 
-bool poly1305_is_arch_optimized(void)
-{
-       /* We always can use at least the ARM64 scalar implementation. */
-       return true;
-}
-EXPORT_SYMBOL(poly1305_is_arch_optimized);
-
 static int __init neon_poly1305_mod_init(void)
 {
        if (cpu_have_named_feature(ASIMD))

diff --git a/lib/crypto/mips/poly1305-glue.c b/lib/crypto/mips/poly1305-glue.c
index 764a38a652002aa80ccf4723deb6ba44cac8abd1..002f50f710aba90ab192098d71633f25f5571991 100644 (file)
--- a/lib/crypto/mips/poly1305-glue.c
+++ b/lib/crypto/mips/poly1305-glue.c
@@ -23,11 +23,5 @@ asmlinkage void poly1305_emit_arch(const struct poly1305_state *state,
                                   const u32 nonce[4]);
 EXPORT_SYMBOL_GPL(poly1305_emit_arch);
 
-bool poly1305_is_arch_optimized(void)
-{
-       return true;
-}
-EXPORT_SYMBOL(poly1305_is_arch_optimized);
-
 MODULE_DESCRIPTION("Poly1305 transform (MIPS accelerated");
 MODULE_LICENSE("GPL v2");

diff --git a/lib/crypto/powerpc/poly1305-p10-glue.c b/lib/crypto/powerpc/poly1305-p10-glue.c
index 3f1664a724b655f0be0ab4d268b3a0d383add1c2..184a71f9c1dee024ad2f516342b89a1fd9c5eb6a 100644 (file)
--- a/lib/crypto/powerpc/poly1305-p10-glue.c
+++ b/lib/crypto/powerpc/poly1305-p10-glue.c
@@ -72,12 +72,6 @@ void poly1305_emit_arch(const struct poly1305_state *state,
 }
 EXPORT_SYMBOL_GPL(poly1305_emit_arch);
 
-bool poly1305_is_arch_optimized(void)
-{
-       return static_key_enabled(&have_p10);
-}
-EXPORT_SYMBOL(poly1305_is_arch_optimized);
-
 static int __init poly1305_p10_init(void)
 {
        if (cpu_has_feature(CPU_FTR_ARCH_31))

diff --git a/lib/crypto/x86/poly1305_glue.c b/lib/crypto/x86/poly1305_glue.c
index 856d48fd422b02cd6381fdd006b4941c4b978c7b..deb5841cb0ada64afbaa6974545138bf51a5c01a 100644 (file)
--- a/lib/crypto/x86/poly1305_glue.c
+++ b/lib/crypto/x86/poly1305_glue.c
@@ -141,12 +141,6 @@ void poly1305_emit_arch(const struct poly1305_state *ctx,
 }
 EXPORT_SYMBOL_GPL(poly1305_emit_arch);
 
-bool poly1305_is_arch_optimized(void)
-{
-       return static_key_enabled(&poly1305_use_avx);
-}
-EXPORT_SYMBOL(poly1305_is_arch_optimized);
-
 static int __init poly1305_simd_mod_init(void)
 {
        if (boot_cpu_has(X86_FEATURE_AVX) &&