linux-stable/kernel/rcu
Himangi Saraogi af952b919b rcu: Protect uses of ->jiffies_stall with ACCESS_ONCE()
Some of the accesses to the rcu_state structure's ->jiffies_stall
field are unprotected. This patch protects them with ACCESS_ONCE().
The following coccinelle script was used to acheive this:
/* coccinelle script to protect uses of ->jiffies_stall with ACCESS_ONCE() */
@@
identifier a;
@@
(
	ACCESS_ONCE(a->jiffies_stall)
|
-	a->jiffies_stall
+	ACCESS_ONCE(a->jiffies_stall)
)

Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
2014-04-29 08:44:41 -07:00
..
Makefile rcutorture: Abstract rcu_torture_random() 2014-02-23 09:00:58 -08:00
rcu.h rcu: Ensure kernel/rcu/rcu.h can be sourced/used stand-alone 2014-02-26 06:35:18 -08:00
rcutorture.c Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-03-31 11:21:19 -07:00
srcu.c rcu: Ensure kernel/rcu/rcu.h can be sourced/used stand-alone 2014-02-26 06:35:18 -08:00
tiny.c rcu: Ensure kernel/rcu/rcu.h can be sourced/used stand-alone 2014-02-26 06:35:18 -08:00
tiny_plugin.h rcu: Protect uses of ->jiffies_stall with ACCESS_ONCE() 2014-04-29 08:44:41 -07:00
tree.c rcu: Make callers awaken grace-period kthread 2014-04-29 08:44:07 -07:00
tree.h rcu: Make callers awaken grace-period kthread 2014-04-29 08:44:07 -07:00
tree_plugin.h rcu: Make callers awaken grace-period kthread 2014-04-29 08:44:07 -07:00
tree_trace.c rcu: Stop tracking FSF's postal address 2014-02-17 15:01:37 -08:00
update.c rcu: Ensure kernel/rcu/rcu.h can be sourced/used stand-alone 2014-02-26 06:35:18 -08:00