On Tue, Sep 02, 2014 at 06:57:54PM +0800, Li Zefan wrote:
> diff --git a/kernel/cgroup.c b/kernel/cgroup.c
> index e03fc62..c8d07e5 100644
> --- a/kernel/cgroup.c
> +++ b/kernel/cgroup.c
> @@ -1025,6 +1025,11 @@ static umode_t cgroup_file_mode(const struct cftype
> *cft)
> return mode;
> }
When cgroup_kn_lock_live() is called through some kernfs operation and
another thread is calling cgroup_rmdir(), we may trigger the warning in
cgroup_get().
[ cut here ]
WARNING: CPU: 1 PID: 1228 at kernel/cgroup.c:1034 cgroup_get+0x89/0xa0()
...
Call Trace:
[]
When cgroup_kn_lock_live() is called through some kernfs operation and
another thread is calling cgroup_rmdir(), we may trigger the warning in
cgroup_get().
[ cut here ]
WARNING: CPU: 1 PID: 1228 at kernel/cgroup.c:1034 cgroup_get+0x89/0xa0()
...
Call Trace:
[c16ee73d]
On Tue, Sep 02, 2014 at 06:57:54PM +0800, Li Zefan wrote:
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index e03fc62..c8d07e5 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1025,6 +1025,11 @@ static umode_t cgroup_file_mode(const struct cftype
*cft)
return mode;
}
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