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Subjectinclude/linux/random.h:25:46: error: 'latent_entropy' undeclared; did you mean 'add_latent_entropy'?
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: ffcf9c5700e49c0aee42dcba9a12ba21338e8136
commit: 36d4b36b69590fed99356a4426c940a253a93800 lib/nodemask: inline next_node_in() and node_random()
date: 10 days ago
config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20220811/202208111537.zfHCewaw-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 12.1.0
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=36d4b36b69590fed99356a4426c940a253a93800
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 36d4b36b69590fed99356a4426c940a253a93800
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/

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

All errors (new ones prefixed by >>):

In file included from include/linux/nodemask.h:97,
from include/linux/mmzone.h:17,
from include/linux/gfp.h:7,
from include/linux/radix-tree.h:12,
from include/linux/idr.h:15,
from include/linux/kernfs.h:12,
from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/pci.h:35,
from arch/powerpc/kernel/prom_init.c:24:
include/linux/random.h: In function 'add_latent_entropy':
>> include/linux/random.h:25:46: error: 'latent_entropy' undeclared (first use in this function); did you mean 'add_latent_entropy'?
25 | add_device_randomness((const void *)&latent_entropy, sizeof(latent_entropy));
| ^~~~~~~~~~~~~~
| add_latent_entropy
include/linux/random.h:25:46: note: each undeclared identifier is reported only once for each function it appears in


vim +25 include/linux/random.h

38addce8b600ca3 Emese Revfy 2016-06-20 21
7e756f423af808b Vasily Gorbik 2019-05-07 22 #if defined(LATENT_ENTROPY_PLUGIN) && !defined(__CHECKER__)
38addce8b600ca3 Emese Revfy 2016-06-20 23 static inline void add_latent_entropy(void)
38addce8b600ca3 Emese Revfy 2016-06-20 24 {
2f14062bb14b0fc Jason A. Donenfeld 2022-05-05 @25 add_device_randomness((const void *)&latent_entropy, sizeof(latent_entropy));
38addce8b600ca3 Emese Revfy 2016-06-20 26 }
38addce8b600ca3 Emese Revfy 2016-06-20 27 #else
38addce8b600ca3 Emese Revfy 2016-06-20 28 static inline void add_latent_entropy(void) { }
38addce8b600ca3 Emese Revfy 2016-06-20 29 #endif
38addce8b600ca3 Emese Revfy 2016-06-20 30

:::::: The code at line 25 was first introduced by commit
:::::: 2f14062bb14b0fcfcc21e6dc7d5b5c0d25966164 random: handle latent entropy and command line from random_init()

:::::: TO: Jason A. Donenfeld <Jason@zx2c4.com>
:::::: CC: Jason A. Donenfeld <Jason@zx2c4.com>

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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