target/linux/generic/hack-6.6/260-crypto_test_dependencies.patch

   1 From fd1799b0bf5efa46dd3e6dfbbf3955564807e508 Mon Sep 17 00:00:00 2001
   2 From: Felix Fietkau <nbd@nbd.name>
   3 Date: Fri, 7 Jul 2017 17:12:51 +0200
   4 Subject: kernel: prevent cryptomgr from pulling in useless extra dependencies for tests that are not run
   5
   6 Reduces kernel size after LZMA by about 5k on MIPS
   7
   8 lede-commit: 044c316167e076479a344c59905e5b435b84a77f
   9 Signed-off-by: Felix Fietkau <nbd@nbd.name>
  10 ---
  11  crypto/Kconfig   | 13 ++++++-------
  12  crypto/algboss.c |  4 ++++
  13  2 files changed, 10 insertions(+), 7 deletions(-)
  14
  15 --- a/crypto/Kconfig
  16 +++ b/crypto/Kconfig
  17 @@ -148,15 +148,15 @@ config CRYPTO_MANAGER
  18           cbc(aes).
  19
  20  config CRYPTO_MANAGER2
  21 -       def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y)
  22 -       select CRYPTO_ACOMP2
  23 -       select CRYPTO_AEAD2
  24 -       select CRYPTO_AKCIPHER2
  25 -       select CRYPTO_SIG2
  26 -       select CRYPTO_HASH2
  27 -       select CRYPTO_KPP2
  28 -       select CRYPTO_RNG2
  29 -       select CRYPTO_SKCIPHER2
  30 +       def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y && !CRYPTO_MANAGER_DISABLE_TESTS)
  31 +       select CRYPTO_ACOMP2 if !CRYPTO_MANAGER_DISABLE_TESTS
  32 +       select CRYPTO_AEAD2 if !CRYPTO_MANAGER_DISABLE_TESTS
  33 +       select CRYPTO_AKCIPHER2 if !CRYPTO_MANAGER_DISABLE_TESTS
  34 +       select CRYPTO_SIG2 if !CRYPTO_MANAGER_DISABLE_TESTS
  35 +       select CRYPTO_HASH2 if !CRYPTO_MANAGER_DISABLE_TESTS
  36 +       select CRYPTO_KPP2 if !CRYPTO_MANAGER_DISABLE_TESTS
  37 +       select CRYPTO_RNG2 if !CRYPTO_MANAGER_DISABLE_TESTS
  38 +       select CRYPTO_SKCIPHER2 if !CRYPTO_MANAGER_DISABLE_TESTS
  39
  40  config CRYPTO_USER
  41         tristate "Userspace cryptographic algorithm configuration"
  42 --- a/crypto/algboss.c
  43 +++ b/crypto/algboss.c
  44 @@ -204,6 +204,10 @@ static int cryptomgr_schedule_test(struc
  45         memcpy(param->alg, alg->cra_name, sizeof(param->alg));
  46         param->type = alg->cra_flags;
  47
  48 +#ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
  49 +       param->type |= CRYPTO_ALG_TESTED;
  50 +#endif
  51 +
  52         thread = kthread_run(cryptomgr_test, param, "cryptomgr_test");
  53         if (IS_ERR(thread))
  54                 goto err_free_param;