From: Paul E. McKenney Date: Wed, 30 Mar 2011 16:10:44 +0000 (-0700) Subject: rcu: mark rcutorture boosting callback as being on-stack X-Git-Tag: master-2011-05-31~95^2~57 X-Git-Url: http://pileus.org/git/?a=commitdiff_plain;h=561190e3b3db372403fb6a327b0121b4cae1b87e;p=~andy%2Flinux rcu: mark rcutorture boosting callback as being on-stack The CONFIG_DEBUG_OBJECTS_RCU_HEAD facility requires that on-stack RCU callbacks be flagged explicitly to debug-objects using the init_rcu_head_on_stack() and destroy_rcu_head_on_stack() functions. This commit applies those functions to the rcutorture code that tests RCU priority boosting. Signed-off-by: Paul E. McKenney Signed-off-by: Paul E. McKenney Reviewed-by: Josh Triplett --- diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c index c2f58ec2475..2e138db0338 100644 --- a/kernel/rcutorture.c +++ b/kernel/rcutorture.c @@ -749,6 +749,7 @@ static int rcu_torture_boost(void *arg) n_rcu_torture_boost_rterror++; } + init_rcu_head_on_stack(&rbi.rcu); /* Each pass through the following loop does one boost-test cycle. */ do { /* Wait for the next test interval. */ @@ -808,6 +809,7 @@ checkwait: rcu_stutter_wait("rcu_torture_boost"); /* Clean up and exit. */ VERBOSE_PRINTK_STRING("rcu_torture_boost task stopping"); + destroy_rcu_head_on_stack(&rbi.rcu); rcutorture_shutdown_absorb("rcu_torture_boost"); while (!kthread_should_stop() || rbi.inflight) schedule_timeout_uninterruptible(1);