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Subject[rcu:rcu/next 64/99] kernel/rcu/srcu.c:517:15: error: redefinition of 'srcu_batches_completed'
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next
head: 5c246613fb794485c9af0c20dff8218abfc848aa
commit: dec7813dfa40f7a48b0f3d9e48fe7bcf0b1b622d [64/99] srcu: Shrink srcu.h by moving docbook and private function
config: x86_64-randconfig-x006-201723 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
git checkout dec7813dfa40f7a48b0f3d9e48fe7bcf0b1b622d
# save the attached .config to linux build tree
make ARCH=x86_64

Note: the rcu/rcu/next HEAD 5c246613fb794485c9af0c20dff8218abfc848aa builds fine.
It only hurts bisectibility.

All errors (new ones prefixed by >>):

>> kernel/rcu/srcu.c:517:15: error: redefinition of 'srcu_batches_completed'
unsigned long srcu_batches_completed(struct srcu_struct *sp)
^~~~~~~~~~~~~~~~~~~~~~
In file included from kernel/rcu/srcu.c:39:0:
kernel/rcu/rcu.h:495:29: note: previous definition of 'srcu_batches_completed' was here
static inline unsigned long srcu_batches_completed(struct srcu_struct *sp)
^~~~~~~~~~~~~~~~~~~~~~

vim +/srcu_batches_completed +517 kernel/rcu/srcu.c

621934ee kernel/srcu.c Paul E. McKenney 2006-10-04 511 * srcu_batches_completed - return batches completed.
621934ee kernel/srcu.c Paul E. McKenney 2006-10-04 512 * @sp: srcu_struct on which to report batch completion.
621934ee kernel/srcu.c Paul E. McKenney 2006-10-04 513 *
621934ee kernel/srcu.c Paul E. McKenney 2006-10-04 514 * Report the number of batches, correlated with, but not necessarily
621934ee kernel/srcu.c Paul E. McKenney 2006-10-04 515 * precisely the same as, the number of grace periods that have elapsed.
621934ee kernel/srcu.c Paul E. McKenney 2006-10-04 516 */
a5c198f4 kernel/rcu/srcu.c Paul E. McKenney 2014-11-23 @517 unsigned long srcu_batches_completed(struct srcu_struct *sp)
621934ee kernel/srcu.c Paul E. McKenney 2006-10-04 518 {
621934ee kernel/srcu.c Paul E. McKenney 2006-10-04 519 return sp->completed;
621934ee kernel/srcu.c Paul E. McKenney 2006-10-04 520 }

:::::: The code at line 517 was first introduced by commit
:::::: a5c198f4f7da6cc48116ca239c59c9f44b753364 rcu: Expand SRCU ->completed to 64 bits

:::::: TO: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
:::::: CC: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

---
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https://lists.01.org/pipermail/kbuild-all Intel Corporation
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