lkml.org 
[lkml]   [2017]   [May]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
Subject[rcu:ms 7/8] include/linux/mm_types.h:581: undefined reference to `percpu_downgrade_write'
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
[unhandled content-type:application/gzip]
\
 
 \ /
  Last update: 2017-06-01 01:07    [W:0.026 / U:0.252 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site