From 0b767f96164b2b27488e3daa722ff16e89d49314 Mon Sep 17 00:00:00 2001
From: Alexander Shishkin <virtuoso@slind.org>
Date: Thu, 3 Jun 2010 20:53:43 +1000
Subject: [PATCH] crypto: testmgr - add an option to disable cryptoalgos'
 self-tests

By default, CONFIG_CRYPTO_MANAGER_TESTS will be enabled and thus
self-tests will still run, but it is now possible to disable them
to gain some time during bootup.

Signed-off-by: Alexander Shishkin <virtuoso@slind.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 crypto/Kconfig   |  8 ++++++++
 crypto/algboss.c |  4 ++++
 crypto/testmgr.c | 14 ++++++++++++++
 3 files changed, 26 insertions(+)

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 11d0f21fd417..1cd497d7a15a 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -101,6 +101,14 @@ config CRYPTO_MANAGER2
 	select CRYPTO_BLKCIPHER2
 	select CRYPTO_PCOMP2
 
+config CRYPTO_MANAGER_TESTS
+	bool "Run algolithms' self-tests"
+	default y
+	depends on CRYPTO_MANAGER2
+	help
+	  Run cryptomanager's tests for the new crypto algorithms being
+	  registered.
+
 config CRYPTO_GF128MUL
 	tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
 	depends on EXPERIMENTAL
diff --git a/crypto/algboss.c b/crypto/algboss.c
index c3c196b5823a..40bd391f34d9 100644
--- a/crypto/algboss.c
+++ b/crypto/algboss.c
@@ -206,6 +206,7 @@ err:
 	return NOTIFY_OK;
 }
 
+#ifdef CONFIG_CRYPTO_MANAGER_TESTS
 static int cryptomgr_test(void *data)
 {
 	struct crypto_test_param *param = data;
@@ -266,6 +267,7 @@ err_put_module:
 err:
 	return NOTIFY_OK;
 }
+#endif /* CONFIG_CRYPTO_MANAGER_TESTS */
 
 static int cryptomgr_notify(struct notifier_block *this, unsigned long msg,
 			    void *data)
@@ -273,8 +275,10 @@ static int cryptomgr_notify(struct notifier_block *this, unsigned long msg,
 	switch (msg) {
 	case CRYPTO_MSG_ALG_REQUEST:
 		return cryptomgr_schedule_probe(data);
+#ifdef CONFIG_CRYPTO_MANAGER_TESTS
 	case CRYPTO_MSG_ALG_REGISTER:
 		return cryptomgr_schedule_test(data);
+#endif
 	}
 
 	return NOTIFY_DONE;
diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index 5c8aaa0cb0b9..abd980c729eb 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -22,6 +22,17 @@
 #include <crypto/rng.h>
 
 #include "internal.h"
+
+#ifndef CONFIG_CRYPTO_MANAGER_TESTS
+
+/* a perfect nop */
+int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
+{
+	return 0;
+}
+
+#else
+
 #include "testmgr.h"
 
 /*
@@ -2530,4 +2541,7 @@ notest:
 non_fips_alg:
 	return -EINVAL;
 }
+
+#endif /* CONFIG_CRYPTO_MANAGER_TESTS */
+
 EXPORT_SYMBOL_GPL(alg_test);