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authorJason A. Donenfeld <Jason@zx2c4.com>2018-09-18 02:18:47 +0200
committerJason A. Donenfeld <Jason@zx2c4.com>2018-09-18 04:21:16 +0200
commit7905a1f5dff38cc30af873461f083f30893adcbe (patch)
tree44e5b8aec599b509df0df1dc99d13d5e68d54022 /src/crypto/zinc/chacha20/chacha20.c
parentchacha20-x86_64: more limited cascade (diff)
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crypto: allow for disabling simd in zinc modules
Diffstat (limited to 'src/crypto/zinc/chacha20/chacha20.c')
-rw-r--r--src/crypto/zinc/chacha20/chacha20.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/crypto/zinc/chacha20/chacha20.c b/src/crypto/zinc/chacha20/chacha20.c
index 2b3644f..ef2404f 100644
--- a/src/crypto/zinc/chacha20/chacha20.c
+++ b/src/crypto/zinc/chacha20/chacha20.c
@@ -172,13 +172,16 @@ void hchacha20(u8 derived_key[CHACHA20_KEY_SIZE],
}
EXPORT_SYMBOL(hchacha20);
+static bool nosimd __initdata = false;
+
#ifndef COMPAT_ZINC_IS_A_MODULE
int __init chacha20_mod_init(void)
#else
static int __init mod_init(void)
#endif
{
- chacha20_fpu_init();
+ if (!nosimd)
+ chacha20_fpu_init();
return 0;
}
@@ -187,6 +190,7 @@ static void __exit mod_exit(void)
{
}
+module_param(nosimd, bool, 0);
module_init(mod_init);
module_exit(mod_exit);
MODULE_LICENSE("GPL v2");