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Subjectcrypto/aegis128-neon.c:17:6: warning: no previous prototype for 'crypto_aegis128_have_simd'
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 5695e51619745d4fe3ec2506a2f0cd982c5e27a4
commit: a4397635afea5d127548d64e0055ed471ef2d5be crypto: aegis128 - provide a SIMD implementation based on NEON intrinsics
date: 1 year, 6 months ago
config: arm64-randconfig-r035-20210226 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4397635afea5d127548d64e0055ed471ef2d5be
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout a4397635afea5d127548d64e0055ed471ef2d5be
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> crypto/aegis128-neon.c:17:6: warning: no previous prototype for 'crypto_aegis128_have_simd' [-Wmissing-prototypes]
17 | bool crypto_aegis128_have_simd(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
>> crypto/aegis128-neon.c:22:6: warning: no previous prototype for 'crypto_aegis128_update_simd' [-Wmissing-prototypes]
22 | void crypto_aegis128_update_simd(union aegis_block *state, const void *msg)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>> crypto/aegis128-neon.c:29:6: warning: no previous prototype for 'crypto_aegis128_encrypt_chunk_simd' [-Wmissing-prototypes]
29 | void crypto_aegis128_encrypt_chunk_simd(union aegis_block *state, u8 *dst,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> crypto/aegis128-neon.c:37:6: warning: no previous prototype for 'crypto_aegis128_decrypt_chunk_simd' [-Wmissing-prototypes]
37 | void crypto_aegis128_decrypt_chunk_simd(union aegis_block *state, u8 *dst,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from crypto/aegis128-neon.c:9:
crypto/aegis.h:27:32: warning: 'crypto_aegis_const' defined but not used [-Wunused-const-variable=]
27 | static const union aegis_block crypto_aegis_const[2] = {
| ^~~~~~~~~~~~~~~~~~
--
>> crypto/aegis128-neon-inner.c:76:6: warning: no previous prototype for 'crypto_aegis128_update_neon' [-Wmissing-prototypes]
76 | void crypto_aegis128_update_neon(void *state, const void *msg)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>> crypto/aegis128-neon-inner.c:85:6: warning: no previous prototype for 'crypto_aegis128_encrypt_chunk_neon' [-Wmissing-prototypes]
85 | void crypto_aegis128_encrypt_chunk_neon(void *state, void *dst, const void *src,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> crypto/aegis128-neon-inner.c:117:6: warning: no previous prototype for 'crypto_aegis128_decrypt_chunk_neon' [-Wmissing-prototypes]
117 | void crypto_aegis128_decrypt_chunk_neon(void *state, void *dst, const void *src,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/crypto_aegis128_have_simd +17 crypto/aegis128-neon.c

10
11 void crypto_aegis128_update_neon(void *state, const void *msg);
12 void crypto_aegis128_encrypt_chunk_neon(void *state, void *dst, const void *src,
13 unsigned int size);
14 void crypto_aegis128_decrypt_chunk_neon(void *state, void *dst, const void *src,
15 unsigned int size);
16
> 17 bool crypto_aegis128_have_simd(void)
18 {
19 return cpu_have_feature(cpu_feature(AES));
20 }
21
> 22 void crypto_aegis128_update_simd(union aegis_block *state, const void *msg)
23 {
24 kernel_neon_begin();
25 crypto_aegis128_update_neon(state, msg);
26 kernel_neon_end();
27 }
28
> 29 void crypto_aegis128_encrypt_chunk_simd(union aegis_block *state, u8 *dst,
30 const u8 *src, unsigned int size)
31 {
32 kernel_neon_begin();
33 crypto_aegis128_encrypt_chunk_neon(state, dst, src, size);
34 kernel_neon_end();
35 }
36
> 37 void crypto_aegis128_decrypt_chunk_simd(union aegis_block *state, u8 *dst,

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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