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authorFelix Fietkau <nbd@openwrt.org>2013-01-27 16:21:08 +0000
committerFelix Fietkau <nbd@openwrt.org>2013-01-27 16:21:08 +0000
commit044c316167e076479a344c59905e5b435b84a77f (patch)
treee8bf99a2125c8afb7c21d1873f16bfabf71faac4
parente083c7926bb549230b3dbbf9956105a3c99a9b3a (diff)
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kernel: prevent cryptomgr from pulling in useless extra dependencies for tests that are not run
Reduces kernel size after LZMA by about 5k on MIPS SVN-Revision: 35325
-rw-r--r--target/linux/generic/patches-3.7/260-crypto_test_dependencies.patch37
-rw-r--r--target/linux/generic/patches-3.8/260-crypto_test_dependencies.patch37
2 files changed, 74 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.7/260-crypto_test_dependencies.patch b/target/linux/generic/patches-3.7/260-crypto_test_dependencies.patch
new file mode 100644
index 0000000..8cc15e4
--- /dev/null
+++ b/target/linux/generic/patches-3.7/260-crypto_test_dependencies.patch
@@ -0,0 +1,37 @@
+--- a/crypto/Kconfig
++++ b/crypto/Kconfig
+@@ -95,10 +95,10 @@ config CRYPTO_MANAGER
+
+ config CRYPTO_MANAGER2
+ def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y)
+- select CRYPTO_AEAD2
+- select CRYPTO_HASH2
+- select CRYPTO_BLKCIPHER2
+- select CRYPTO_PCOMP2
++ select CRYPTO_AEAD2 if !CRYPTO_MANAGER_DISABLE_TESTS
++ select CRYPTO_HASH2 if !CRYPTO_MANAGER_DISABLE_TESTS
++ select CRYPTO_BLKCIPHER2 if !CRYPTO_MANAGER_DISABLE_TESTS
++ select CRYPTO_PCOMP2 if !CRYPTO_MANAGER_DISABLE_TESTS
+
+ config CRYPTO_USER
+ tristate "Userspace cryptographic algorithm configuration"
+--- a/crypto/algboss.c
++++ b/crypto/algboss.c
+@@ -247,6 +247,9 @@ static int cryptomgr_schedule_test(struc
+ type = alg->cra_flags;
+
+ /* This piece of crap needs to disappear into per-type test hooks. */
++#ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
++ type |= CRYPTO_ALG_TESTED;
++#else
+ if ((!((type ^ CRYPTO_ALG_TYPE_BLKCIPHER) &
+ CRYPTO_ALG_TYPE_BLKCIPHER_MASK) && !(type & CRYPTO_ALG_GENIV) &&
+ ((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) ==
+@@ -255,6 +258,7 @@ static int cryptomgr_schedule_test(struc
+ (!((type ^ CRYPTO_ALG_TYPE_AEAD) & CRYPTO_ALG_TYPE_MASK) &&
+ alg->cra_type == &crypto_nivaead_type && alg->cra_aead.ivsize))
+ type |= CRYPTO_ALG_TESTED;
++#endif
+
+ param->type = type;
+
diff --git a/target/linux/generic/patches-3.8/260-crypto_test_dependencies.patch b/target/linux/generic/patches-3.8/260-crypto_test_dependencies.patch
new file mode 100644
index 0000000..8cc15e4
--- /dev/null
+++ b/target/linux/generic/patches-3.8/260-crypto_test_dependencies.patch
@@ -0,0 +1,37 @@
+--- a/crypto/Kconfig
++++ b/crypto/Kconfig
+@@ -95,10 +95,10 @@ config CRYPTO_MANAGER
+
+ config CRYPTO_MANAGER2
+ def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y)
+- select CRYPTO_AEAD2
+- select CRYPTO_HASH2
+- select CRYPTO_BLKCIPHER2
+- select CRYPTO_PCOMP2
++ select CRYPTO_AEAD2 if !CRYPTO_MANAGER_DISABLE_TESTS
++ select CRYPTO_HASH2 if !CRYPTO_MANAGER_DISABLE_TESTS
++ select CRYPTO_BLKCIPHER2 if !CRYPTO_MANAGER_DISABLE_TESTS
++ select CRYPTO_PCOMP2 if !CRYPTO_MANAGER_DISABLE_TESTS
+
+ config CRYPTO_USER
+ tristate "Userspace cryptographic algorithm configuration"
+--- a/crypto/algboss.c
++++ b/crypto/algboss.c
+@@ -247,6 +247,9 @@ static int cryptomgr_schedule_test(struc
+ type = alg->cra_flags;
+
+ /* This piece of crap needs to disappear into per-type test hooks. */
++#ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
++ type |= CRYPTO_ALG_TESTED;
++#else
+ if ((!((type ^ CRYPTO_ALG_TYPE_BLKCIPHER) &
+ CRYPTO_ALG_TYPE_BLKCIPHER_MASK) && !(type & CRYPTO_ALG_GENIV) &&
+ ((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) ==
+@@ -255,6 +258,7 @@ static int cryptomgr_schedule_test(struc
+ (!((type ^ CRYPTO_ALG_TYPE_AEAD) & CRYPTO_ALG_TYPE_MASK) &&
+ alg->cra_type == &crypto_nivaead_type && alg->cra_aead.ivsize))
+ type |= CRYPTO_ALG_TESTED;
++#endif
+
+ param->type = type;
+