linux-kernel - Re: [PATCH] use spinlock instead of binary mutex in idt77252 driver

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Message-ID: <20070423081753.GA27664@infradead.org>
Date:	Mon, 23 Apr 2007 09:17:53 +0100
From:	Christoph Hellwig <hch@...radead.org>
To:	Kyle Moffett <mrmacman_g4@....com>
Cc:	Matthias Kaehlcke <matthias.kaehlcke@...il.com>,
	chas@....nrl.navy.mil, ecd@...com.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] use spinlock instead of binary mutex in idt77252 driver

On Sun, Apr 22, 2007 at 07:50:36PM -0400, Kyle Moffett wrote:
> On Apr 22, 2007, at 17:39:59, Matthias Kaehlcke wrote:
> >use spinlock instead of binary mutex in idt77252 driver
> 
> I think you really meant: "Use mutex instead of binary semaphore in  
> idt77252 driver", since this is a binary semaphore (not a mutex,  
> which are always binary):

And the binary semaphore terminology i a little confusing. struct
semaphore is a full counting semaphore that is only used as a binary
semaphore if we want to speak in CS terms.  Than everyone else just
caled them semaphore before these patches started to show up :)

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