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SubjectRe: [PATCH v3] poly1305: generic C can be faster on chips with slow unaligned access
Hi Jason,

[auto build test ERROR on cryptodev/master]
[also build test ERROR on v4.9-rc4 next-20161111]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Jason-A-Donenfeld/poly1305-generic-C-can-be-faster-on-chips-with-slow-unaligned-access/20161108-053912
base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master
config: openrisc-allmodconfig (attached as .config)
compiler: or32-linux-gcc (GCC) 4.5.1-or32-1.0rc1
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=openrisc

All errors (new ones prefixed by >>):

crypto/poly1305_generic.c: In function 'poly1305_setrkey':
>> crypto/poly1305_generic.c:63:2: error: implicit declaration of function 'get_unaligned_le32'

vim +/get_unaligned_le32 +63 crypto/poly1305_generic.c

57 }
58 EXPORT_SYMBOL_GPL(crypto_poly1305_setkey);
59
60 static void poly1305_setrkey(struct poly1305_desc_ctx *dctx, const u8 *key)
61 {
62 /* r &= 0xffffffc0ffffffc0ffffffc0fffffff */
> 63 dctx->r[0] = (get_unaligned_le32(key + 0) >> 0) & 0x3ffffff;
64 dctx->r[1] = (get_unaligned_le32(key + 3) >> 2) & 0x3ffff03;
65 dctx->r[2] = (get_unaligned_le32(key + 6) >> 4) & 0x3ffc0ff;
66 dctx->r[3] = (get_unaligned_le32(key + 9) >> 6) & 0x3f03fff;

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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