2:08 p.m.
CC: zx2c4(a)kernel.org
CC: linux-kernel(a)vger.kernel.org
TO: "Jason A. Donenfeld" <zx2c4(a)kernel.org>
CC: "Jean-Philippe Aumasson" <jeanphilippe.aumasson(a)gmail.com>
tree: git://git.kernel.org/pub/scm/linux/kernel/git/crng/random.git jd/preempt-rt
head: e32d7768f472ed279c1c4a82bf8ba611d67db8e2
commit: 17e19ef79dd0e0ad4b7ec2831088282ddd7674cd [4/9] random: use linear min-entropy
accumulation crediting
config: x86_64-buildonly-randconfig-r002-20220207
(https://download.01.org/0day-ci/archive/20220209/202202091149.sGYokEQM-lk...)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project
e8bff9ae54a55b4dbfeb6ba55f723abbd81bf494)
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/crng/random.git/commit/?i...
git remote add crng-random
git://git.kernel.org/pub/scm/linux/kernel/git/crng/random.git
git fetch --no-tags crng-random jd/preempt-rt
git checkout 17e19ef79dd0e0ad4b7ec2831088282ddd7674cd
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir
ARCH=x86_64 SHELL=/bin/bash drivers/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
drivers/char/random.c:1882:6: warning: no previous prototype for function
'add_hwgenerator_randomness' [-Wmissing-prototypes]
void add_hwgenerator_randomness(const char *buffer, size_t count,
^
drivers/char/random.c:1882:1: note: declare 'static' if the function is not
intended to be used outside of this translation unit
void add_hwgenerator_randomness(const char *buffer, size_t count,
^
static
1 warning generated.
> drivers/char/random.o: warning: objtool:
urandom_read_nowarn()+0x1b2: unreachable instruction
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org