tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git ms head: 851deed7a22b72f2be5babed461b6cdd6c78d7b2 commit: e6b574fbfde17bd8fceb374bcb3be55c3ee23d2e [7/8] mmap_sem: Use percpu_rw_sema config: s390-default_defconfig (attached as .config) compiler: s390x-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout e6b574fbfde17bd8fceb374bcb3be55c3ee23d2e # save the attached .config to linux build tree make.cross ARCH=s390
All errors (new ones prefixed by >>):
fs/built-in.o: In function `downgrade_write_mmap_sem':
>> include/linux/mm_types.h:581: undefined reference to `percpu_downgrade_write'
fs/built-in.o: In function `xfs_file_iomap_end':
fs/xfs/xfs_iomap.c:1152: undefined reference to `put_dax'
fs/built-in.o: In function `xfs_file_iomap_begin':
fs/xfs/xfs_iomap.c:1071: undefined reference to `dax_get_by_host'
vim +581 include/linux/mm_types.h
575 {
576 lockdep_assert_held_exclusive(&mm->mmap_sem.rw_sem);
577 }
578
579 static inline void downgrade_write_mmap_sem(struct mm_struct *mm)
580 {
> 581 percpu_downgrade_write(&mm->mmap_sem);
582 }
583
584 static inline void mm_init_cpumask(struct mm_struct *mm)
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
Description: application/gzip
