From: Flavio Leitner
Date: Thu, 27 Mar 2014 09:53:56 -0300
> There are two problematic situations.
>
> A deadlock can happen when is_percpu is false because it can get
> interrupted while holding the spinlock. Then it executes
> ovs_flow_stats_update() in softirq context which tries to get
> the
There are two problematic situations.
A deadlock can happen when is_percpu is false because it can get
interrupted while holding the spinlock. Then it executes
ovs_flow_stats_update() in softirq context which tries to get
the same lock.
The second sitation is that when is_percpu is true, the code
Please ignore this one.
I will repost with the correct openvswitch address.
Thanks
On Wed, Mar 26, 2014 at 09:56:12PM -0300, Flavio Leitner wrote:
> There are two problematic situations.
>
> A deadlock can happen when is_percpu is false because it can get
> interrupted while holding the spinlock.
There are two problematic situations.
A deadlock can happen when is_percpu is false because it can get
interrupted while holding the spinlock. Then it executes
ovs_flow_stats_update() in softirq context which tries to get
the same lock.
The second sitation is that when is_percpu is true, the code