From: Tariq Toukan <tar...@mellanox.com>
Date: Wed, 23 May 2018 10:41:59 +0300
> From: Jack Morgenstein <ja...@dev.mellanox.co.il>
>
> spin_lock/unlock was used instead of spin_un/lock_irq
> in a procedure used in process space, on a spinlock
> which can be grabbed in an interrupt.
>
> This caused the stack trace below to be displayed (on kernel
> 4.17.0-rc1 compiled with Lock Debugging enabled):
...
> Since mlx4_qp_lookup() is called only in process space, we can
> simply replace the spin_un/lock calls with spin_un/lock_irq calls.
>
> Fixes: 6dc06c08bef1 ("net/mlx4: Fix the check in attaching steering rules")
> Signed-off-by: Jack Morgenstein <ja...@dev.mellanox.co.il>
> Signed-off-by: Tariq Toukan <tar...@mellanox.com>
> ---
>
> Hi Dave, please queue for -stable >= 4.12.
Applied and queued up for -stable, thanks.
