On Tue, 2013-05-07 at 10:32 +0800, Li Zhong wrote:
> Saw this warning again, and this time from the ret_from_fork path.
>
> It seems we could clear the back chain earlier in copy_thread(), which
> could cover both path, and also fix potential lockdep usage in
> schedule_tail(), or exception occur
Saw this warning again, and this time from the ret_from_fork path.
It seems we could clear the back chain earlier in copy_thread(), which
could cover both path, and also fix potential lockdep usage in
schedule_tail(), or exception occurred before we clear the back chain.
Signed-off-by: Li Zhong