From 044c316167e076479a344c59905e5b435b84a77f Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 27 Jan 2013 16:21:08 +0000
Subject: [PATCH] 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
---
 .../260-crypto_test_dependencies.patch        | 37 +++++++++++++++++++
 .../260-crypto_test_dependencies.patch        | 37 +++++++++++++++++++
 2 files changed, 74 insertions(+)
 create mode 100644 target/linux/generic/patches-3.7/260-crypto_test_dependencies.patch
 create mode 100644 target/linux/generic/patches-3.8/260-crypto_test_dependencies.patch

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 00000000000..8cc15e470ba
--- /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 00000000000..8cc15e470ba
--- /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;
+