Re: [PATCH v5 4/8] thunderbolt: Communication with the ICM (firmware)
From: Stephen Hemminger
Date: Fri Jul 29 2016 - 17:02:19 EST
On Thu, 28 Jul 2016 11:15:17 +0300
Amir Levy <amir.jer.levy@xxxxxxxxx> wrote:
> +static LIST_HEAD(controllers_list);
> +static DECLARE_RWSEM(controllers_list_rwsem);
Why use a semaphore when simple spinlock or mutex would be better?