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Date:	Fri, 29 Jul 2016 14:02:24 -0700
From:	Stephen Hemminger <>
To:	Amir Levy <>
Subject: Re: [PATCH v5 4/8] thunderbolt: Communication with the ICM

On Thu, 28 Jul 2016 11:15:17 +0300
Amir Levy <> wrote:

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

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

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