On 2016/6/23 4:28, Daniel Bristot de Oliveira wrote: > While testing the deadline scheduler + cgroup setup I hit this > warning. > ... > The warn is the spin_(lock|unlock)_bh(&css_set_lock) in the interrupt > context. Converting the spin_lock_bh to spin_lock_irq(save) to avoid > this problem - and other problems of sharing a spinlock with an > interrupt. > > Cc: Tejun Heo <tj@xxxxxxxxxx> > Cc: Li Zefan <lizefan@xxxxxxxxxx> > Cc: Johannes Weiner <hannes@xxxxxxxxxxx> > Cc: Juri Lelli <juri.lelli@xxxxxxx> > Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> > Cc: cgroups@xxxxxxxxxxxxxxx > Cc: stable@xxxxxxxxxxxxxxx # 4.5+ > Cc: linux-kernel@xxxxxxxxxxxxxxx > Reviewed-by: Rik van Riel <riel@xxxxxxxxxx> > Reviewed-by: "Luis Claudio R. Goncalves" <lgoncalv@xxxxxxxxxx> > Signed-off-by: Daniel Bristot de Oliveira <bristot@xxxxxxxxxx> > Acked-by: Zefan Li <lizefan@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html