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Subject[ammarfaizi2-block:crng/random/jd/vdso 3/3] drivers/char/random.c:164:42: error: expected declaration specifiers or '...' before '_vdso_rng_data'
tree:   https://github.com/ammarfaizi2/linux-block crng/random/jd/vdso
head: a7b31acb923dbd25e7bf030ca209f131c31f5288
commit: a7b31acb923dbd25e7bf030ca209f131c31f5288 [3/3] random: implement getrandom() in vDSO
config: arm-defconfig (https://download.01.org/0day-ci/archive/20220920/202209201604.aAX4Shb6-lkp@intel.com/config)
compiler: arm-linux-gnueabi-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://github.com/ammarfaizi2/linux-block/commit/a7b31acb923dbd25e7bf030ca209f131c31f5288
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block crng/random/jd/vdso
git checkout a7b31acb923dbd25e7bf030ca209f131c31f5288
# 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=arm SHELL=/bin/bash drivers/

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 >>):

>> drivers/char/random.c:164:42: error: expected declaration specifiers or '...' before '_vdso_rng_data'
164 | DEFINE_VVAR_SINGLE(struct vdso_rng_data, _vdso_rng_data);
| ^~~~~~~~~~~~~~


vim +164 drivers/char/random.c

146
147 #define warn_unseeded_randomness() \
148 if (IS_ENABLED(CONFIG_WARN_ALL_UNSEEDED_RANDOM) && !crng_ready()) \
149 printk_deferred(KERN_NOTICE "random: %s called from %pS with crng_init=%d\n", \
150 __func__, (void *)_RET_IP_, crng_init)
151
152
153
154 /********************************************************************
155 *
156 * VDSO support helpers.
157 *
158 * The actual vDSO function is defined over in lib/vdso/getrandom.c,
159 * but this section contains the kernel-mode helpers to support that.
160 *
161 ********************************************************************/
162
163 /* The shared data page. */
> 164 DEFINE_VVAR_SINGLE(struct vdso_rng_data, _vdso_rng_data);
165

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

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