tree:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
linux-4.14.y
head: e1f7d50ae3a3ec342e87a9b1ce6787bfb8b3c08b
commit: 27647dde3018985379d58feacf2fc3f11e91b478 [9243/9999] proc/vmcore: Fix i386 build
error of missing copy_oldmem_page_encrypted()
config: mips-randconfig-r005-20200809 (attached as .config)
compiler: mipsel-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
git checkout 27647dde3018985379d58feacf2fc3f11e91b478
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips
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 >>):
In file included from include/linux/workqueue.h:9,
from include/linux/srcu.h:34,
from include/linux/notifier.h:16,
from include/linux/memory_hotplug.h:7,
from include/linux/mmzone.h:782,
from include/linux/gfp.h:6,
from include/linux/mm.h:10,
from fs/proc/vmcore.c:10:
include/linux/timer.h: In function 'timer_setup':
include/linux/timer.h:179:23: warning: cast between incompatible function types from
'void (*)(struct timer_list *)' to 'void (*)(long unsigned int)'
[-Wcast-function-type]
179 | __setup_timer(timer, (TIMER_FUNC_TYPE)callback,
| ^
include/linux/timer.h:144:25: note: in definition of macro '__setup_timer'
144 | (_timer)->function = (_fn); \
| ^~~
fs/proc/vmcore.c: At top level:
> fs/proc/vmcore.c:171:1: warning: no previous prototype for
'copy_oldmem_page_encrypted' [-Wmissing-prototypes]
171 |
copy_oldmem_page_encrypted(unsigned long pfn, char *buf, size_t csize,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/copy_oldmem_page_encrypted +171 fs/proc/vmcore.c
166
167 /*
168 * Architectures which support memory encryption override this.
169 */
170 ssize_t __weak
171 copy_oldmem_page_encrypted(unsigned long pfn, char *buf, size_t
csize,
172 unsigned long offset, int userbuf)
173 {
174 return copy_oldmem_page(pfn, buf, csize, offset, userbuf);
175 }
176
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org