Re: [PATCH] IB/mlx4: fix possible deadlock with sm_lock spinlock
From: Bart Van Assche <hidden>
Date: 2012-08-07 18:35:10
On 08/03/12 08:26, Jack Morgenstein wrote:
The sm_lock spinlock is taken in the process context by mlx4_ib_modify_device, and in the interrupt context by update_sm_ah. Need to take that spinlock with irqsave, and release it with irqrestore. [ ... ] Reported by: Or Gerlitz [off-list ref] Signed-off-by: Jack Morgenstein <redacted>
Tested-by: Bart Van Assche <redacted> -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html