rcu: Shrink TINY_RCU by reworking CPU-stall ifdefs
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Tue, 16 Apr 2013 14:49:22 +0000 (07:49 -0700)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Mon, 10 Jun 2013 20:45:53 +0000 (13:45 -0700)
commit14961444696effb2e660fe876e5c1880f8bc3932
treeab62688a54cd44215b2658dc89f644755215fa16
parent2439b696cb5303f1eeb6aeebcee19e0056c3dd6e
rcu: Shrink TINY_RCU by reworking CPU-stall ifdefs

TINY_RCU's reset_cpu_stall_ticks() and check_cpu_stalls() functions
are defined unconditionally, and are empty functions if CONFIG_RCU_TRACE
is disabled (which in turns disables detection of RCU CPU stalls).
This commit saves a few lines of source code by defining these functions
only if CONFIG_RCU_TRACE=y.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
kernel/rcutiny.c
kernel/rcutiny_plugin.h