netdev - Re: [PATCH net v5 1/5] bnx2x: protect different statistics flows

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Date:	Mon, 12 Aug 2013 17:12:08 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	"Dmitry Kravkov" <dmitry@...adcom.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org, eilong@...adcom.com,
	"Ariel Elior" <ariele@...adcom.com>
Subject: Re: [PATCH net v5 1/5] bnx2x: protect different statistics flows

On Tue, 13 Aug 2013 02:24:59 +0300
"Dmitry Kravkov" <dmitry@...adcom.com> wrote:

> +	bool					stats_started;
> +	struct semaphore			stats_sema;

Is there a reason to use a counting semaphore? Do you expect it to
be held across user process boundary? or want count > 1?

Use of semaphores as a locking primitive is discouraged,
instead us a mutex.
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