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>

3 files changed, 26 insertions, 0 deletions

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 11d0f21fd41..1cd497d7a15 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 c3c196b5823..40bd391f34d 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 5c8aaa0cb0b..abd980c729e 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);