linux-kernel - Re: kernel threads locking data

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Message-ID: <20070304172842.GA29277@athena.road.mcmartin.ca>
Date:	Sun, 4 Mar 2007 12:28:42 -0500
From:	Kyle McMartin <kyle@...artin.ca>
To:	Mockern <Mockern@...dex.ru>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: kernel threads locking data

On Sun, Mar 04, 2007 at 08:04:48PM +0300, Mockern wrote:
> hi,
> 
> how is better to lock data (a buffer) which is used by 2 kernel threads?
> 

if it's only used by the threads, and not by anything running in interrupt
context, use a mutex.

Documentation/mutex-design.txt has most of the info you'd need.

Cheers,
	Kyle
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