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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2010-10-05 23:03:02 +0200
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2010-10-05 23:03:02 +0200
commit773e3f93577ffb493fb7c39b1a6ecf39b5748e87 (patch)
tree78340c40e26e3dbcbde66b013710b6c916ecc05b /kernel/rcupdate.c
parentrcu: rcu_read_lock_bh_held(): disabling irqs also disables bh (diff)
downloadlinux-773e3f93577ffb493fb7c39b1a6ecf39b5748e87.tar.xz
linux-773e3f93577ffb493fb7c39b1a6ecf39b5748e87.zip
rcu: move check from rcu_dereference_bh to rcu_read_lock_bh_held
As suggested by Linus, push the irqs_disabled() down to the rcu_read_lock_bh_held() level so that all callers get the benefit of the correct check. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcupdate.c')
-rw-r--r--kernel/rcupdate.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c
index 4d169835fb36..0af1dc70fece 100644
--- a/kernel/rcupdate.c
+++ b/kernel/rcupdate.c
@@ -86,7 +86,7 @@ int rcu_read_lock_bh_held(void)
{
if (!debug_lockdep_rcu_enabled())
return 1;
- return in_softirq();
+ return in_softirq() || irqs_disabled();
}
EXPORT_SYMBOL_GPL(rcu_read_lock_bh_held);