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rcu: Streamline code produced by __rcu_read_unlock()

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This is a port of commit #be0e1e21 to TINY_PREEMPT_RCU.  This uses
noinline to prevent rcu_read_unlock_special() from being inlined into
__rcu_read_unlock().

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2012-01-11 15:30:36 -08:00
parent 26861faf89
commit afef20540f
1 changed files with 1 additions and 1 deletions
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2
kernel/rcutiny_plugin.h
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@ -544,7 +544,7 @@ EXPORT_SYMBOL_GPL(__rcu_read_lock);
* notify RCU core processing or task having blocked during the RCU
* read-side critical section.
*/
static void rcu_read_unlock_special(struct task_struct *t)
static noinline void rcu_read_unlock_special(struct task_struct *t)
{
int empty;
int empty_exp;