linux-kernel - [PATCH 2/9] crypto: tcrypt - rename CRYPTO_TEST to CRYPTO

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Message-ID: <20250419161543.139344-3-ebiggers@kernel.org>
Date: Sat, 19 Apr 2025 09:15:36 -0700
From: Eric Biggers <ebiggers@...nel.org>
To: linux-crypto@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH 2/9] crypto: tcrypt - rename CRYPTO_TEST to CRYPTO_BENCHMARK

From: Eric Biggers <ebiggers@...gle.com>

tcrypt is actually a benchmarking module and not the actual tests.  This
regularly causes confusion.  Update the kconfig option name and help
text accordingly.

Signed-off-by: Eric Biggers <ebiggers@...gle.com>
---
 crypto/Kconfig  | 10 +++++++---
 crypto/Makefile |  2 +-
 crypto/tcrypt.c |  8 ++++----
 crypto/tcrypt.h |  4 ++--
 4 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 9322e42e562d..48283975fb2b 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -244,16 +244,20 @@ config CRYPTO_KRB5ENC
 	help
 	  Combined hash and cipher support for Kerberos 5 RFC3961 simplified
 	  profile.  This is required for Kerberos 5-style encryption, used by
 	  sunrpc/NFS and rxrpc/AFS.
 
-config CRYPTO_TEST
-	tristate "Testing module"
+config CRYPTO_BENCHMARK
+	tristate "Crypto benchmarking module"
 	depends on m || EXPERT
 	select CRYPTO_MANAGER
 	help
-	  Quick & dirty crypto test module.
+	  Quick & dirty crypto benchmarking module.
+
+	  This is mainly intended for use by people developing cryptographic
+	  algorithms in the kernel.  It should not be enabled in production
+	  kernels.
 
 config CRYPTO_SIMD
 	tristate
 	select CRYPTO_CRYPTD
 
diff --git a/crypto/Makefile b/crypto/Makefile
index 5d2f2a28d8a0..18b057a799b0 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -171,11 +171,11 @@ obj-$(CONFIG_CRYPTO_JITTERENTROPY) += jitterentropy_rng.o
 CFLAGS_jitterentropy.o = -O0
 KASAN_SANITIZE_jitterentropy.o = n
 UBSAN_SANITIZE_jitterentropy.o = n
 jitterentropy_rng-y := jitterentropy.o jitterentropy-kcapi.o
 obj-$(CONFIG_CRYPTO_JITTERENTROPY_TESTINTERFACE) += jitterentropy-testing.o
-obj-$(CONFIG_CRYPTO_TEST) += tcrypt.o
+obj-$(CONFIG_CRYPTO_BENCHMARK) += tcrypt.o
 obj-$(CONFIG_CRYPTO_GHASH) += ghash-generic.o
 obj-$(CONFIG_CRYPTO_POLYVAL) += polyval-generic.o
 obj-$(CONFIG_CRYPTO_USER_API) += af_alg.o
 obj-$(CONFIG_CRYPTO_USER_API_HASH) += algif_hash.o
 obj-$(CONFIG_CRYPTO_USER_API_SKCIPHER) += algif_skcipher.o
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index 879fc21dcc16..d1d88debbd71 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -1,10 +1,10 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Quick & dirty crypto testing module.
+ * Quick & dirty crypto benchmarking module.
  *
- * This will only exist until we have a better testing mechanism
+ * This will only exist until we have a better benchmarking mechanism
  * (e.g. a char device).
  *
  * Copyright (c) 2002 James Morris <jmorris@...ercode.com.au>
  * Copyright (c) 2002 Jean-Francois Dive <jef@...uxbe.org>
  * Copyright (c) 2007 Nokia Siemens Networks
@@ -37,11 +37,11 @@
 
 #include "internal.h"
 #include "tcrypt.h"
 
 /*
- * Need slab memory for testing (size in number of pages).
+ * Need slab memory for benchmarking (size in number of pages).
  */
 #define TVMEMSIZE	4
 
 /*
 * Used by test_cipher_speed()
@@ -2866,7 +2866,7 @@ module_param(num_mb, uint, 0000);
 MODULE_PARM_DESC(num_mb, "Number of concurrent requests to be used in mb speed tests (defaults to 8)");
 module_param(klen, uint, 0);
 MODULE_PARM_DESC(klen, "Key length (defaults to 0)");
 
 MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Quick & dirty crypto testing module");
+MODULE_DESCRIPTION("Quick & dirty crypto benchmarking module");
 MODULE_AUTHOR("James Morris <jmorris@...ercode.com.au>");
diff --git a/crypto/tcrypt.h b/crypto/tcrypt.h
index 96c843a24607..7f938ac93e58 100644
--- a/crypto/tcrypt.h
+++ b/crypto/tcrypt.h
@@ -1,10 +1,10 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Quick & dirty crypto testing module.
+ * Quick & dirty crypto benchmarking module.
  *
- * This will only exist until we have a better testing mechanism
+ * This will only exist until we have a better benchmarking mechanism
  * (e.g. a char device).
  *
  * Copyright (c) 2002 James Morris <jmorris@...ercode.com.au>
  * Copyright (c) 2002 Jean-Francois Dive <jef@...uxbe.org>
  * Copyright (c) 2007 Nokia Siemens Networks
-- 
2.49.0