Re: [PATCH v5 4/8] thunderbolt: Communication with the ICM (firmware)

[Stephen Hemminger]

On Thu, 28 Jul 2016 11:15:17 +0300
Amir Levy <amir.jer.l...@intel.com> wrote:

> +static LIST_HEAD(controllers_list);
> +static DECLARE_RWSEM(controllers_list_rwsem);

Why use a semaphore when simple spinlock or mutex would be better?