Subject: Re: [patch net-next 1/4] net: Introduce psample, a new genetlink channel for packet sampling

From: Stephen Hemminger <[email-masked]>
Date: Mon, 23 Jan 2017 15:57:50 -0800

On Sun, 22 Jan 2017 12:44:44 +0100
Jiri Pirko <[email-masked]> wrote:

> +static LIST_HEAD(psample_groups_list);
> +static DEFINE_SPINLOCK(psample_groups_lock);
> +

Why not a mutex? You aren't acquiring this in IRQ context?