linux-kernel - Re: [PATCH 1/2] Video: fb, add true ref

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Message-ID: <45CBAC8A.3050806@directfb.org>
Date:	Fri, 09 Feb 2007 00:04:42 +0100
From:	Denis Oliver Kropp <dok@...ectfb.org>
To:	Jiri Slaby <jirislaby@...il.com>
CC:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	adaplas@....net, ajoshi@...ll.unixbox.com, pfaffben@...ian.org,
	VANDROVE@...cvut.cz
Subject: Re: [PATCH 1/2] Video: fb, add true ref_count atomicity

Jiri Slaby wrote:
> video/fb, add true ref_count atomicity
> 
> Some of fb drivers uses atomic_t in bad manner, since there are still some
> race-prone gaps. Use mutexes to protect open/close code sections with
> ref_count testing and finally use simple uint.
> 
> Signed-off-by: Jiri Slaby <jirislaby@...il.com>

Acked-by: Denis Oliver Kropp <dok@...ectfb.org>

-- 
Best regards,
   Denis Oliver Kropp

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