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crypto: testmgr - add an option to disable cryptoalgos' self-tests

commit 0b767f9 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit c1e592f0ba284b88ade340fe2c5963bfdc621f28 1 parent 925a7e4
@virtuoso virtuoso authored gregkh committed
Showing with 26 additions and 0 deletions.
  1. +8 −0 crypto/Kconfig
  2. +4 −0 crypto/algboss.c
  3. +14 −0 crypto/testmgr.c
View
8 crypto/Kconfig
@@ -96,6 +96,14 @@ config CRYPTO_MANAGER2
select CRYPTO_BLKCIPHER2
select CRYPTO_PCOMP
+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
View
4 crypto/algboss.c
@@ -206,6 +206,7 @@ static int cryptomgr_schedule_probe(struct crypto_larval *larval)
return NOTIFY_OK;
}
+#ifdef CONFIG_CRYPTO_MANAGER_TESTS
static int cryptomgr_test(void *data)
{
struct crypto_test_param *param = data;
@@ -266,6 +267,7 @@ static int cryptomgr_schedule_test(struct crypto_alg *alg)
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;
View
14 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 @@ int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
non_fips_alg:
return -EINVAL;
}
+
+#endif /* CONFIG_CRYPTO_MANAGER_TESTS */
+
EXPORT_SYMBOL_GPL(alg_test);
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