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(parent: 8f7f230) | patch
rcu: Protect rcu_check_gp_kthread_starvation() access to ->gp_flags
authorPaul E. McKenney <paulmck@linux.ibm.com>
Wed, 12 Dec 2018 15:20:07 +0000 (07:20 -0800)
committerPaul E. McKenney <paulmck@linux.ibm.com>
Fri, 25 Jan 2019 23:29:58 +0000 (15:29 -0800)
commit9c85c36659ae4199523cc41761c63b15a6a4d6a2
treedf923187ad7bac0b1abbb78ae6983693bf99c074tree | snapshot
parent8f7f230f962ae829d1107e12532dd7508b10f4d0commit | diff
rcu: Protect rcu_check_gp_kthread_starvation() access to ->gp_flags

The rcu_check_gp_kthread_starvation() function can be invoked without
holding locks, so the access to the rcu_state structure's ->gp_flags
field must be protected with READ_ONCE().  This commit therefore adds
this protection.

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
kernel/rcu/tree.c diff | blob | history
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