# Re: \[PATCH net-next v12 1/5\] net: Introduce generic failover module

- From: Jiri Pirko \<jiri@resnulli.us\>
- Date: 2018-05-26 07:43:32 
- List: netdev
- Page: https://ratatoskr.run/netdev/2018/05/11097422
- Thread: https://ratatoskr.run/netdev/2018/05/11097172/t.md

```text
Sat, May 26, 2018 at 12:37:44AM CEST, stephen@networkplumber.org wrote:
>On Thu, 24 May 2018 09:55:13 -0700
>Sridhar Samudrala [ref] wrote:
>
>
>> +	spin_lock(&failover_lock);
>
>Since register is not in fast path, this should be a mutex?

I don't get it. Why would you prefer mutex over spinlock here?
```