Since these functions will be called from the worker
thread context, using spin_lock_bh triggers WARN_ONs.
Signed-off-by: Bandan Das <bsd@xxxxxxxxxx>
---
kernel/cgroup.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 3ffdbb4..24b34e8 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2764,10 +2764,10 @@ bool cgroup_match_groups(struct task_struct *tsk1, struct task_struct *tsk2)
if (!root->subsys_mask)
continue;
- spin_lock_bh(&css_set_lock);
+ spin_lock_irq(&css_set_lock);
cg_tsk1 = task_cgroup_from_root(tsk1, root);
cg_tsk2 = task_cgroup_from_root(tsk2, root);
- spin_unlock_bh(&css_set_lock);
+ spin_unlock_irq(&css_set_lock);
if (cg_tsk1 != cg_tsk2) {
result = false;
@@ -2797,9 +2797,9 @@ int cgroup_attach_task_all(struct task_struct *from, struct task_struct *tsk)
if (root == &cgrp_dfl_root)
continue;
- spin_lock_bh(&css_set_lock);
+ spin_lock_irq(&css_set_lock);
from_cgrp = task_cgroup_from_root(from, root);
- spin_unlock_bh(&css_set_lock);
+ spin_unlock_irq(&css_set_lock);
retval = cgroup_attach_task(from_cgrp, tsk, false);
if (retval)
--
2.5.0
--
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