From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Wed, 20 Aug 2014 21:09:39 +0200
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai] rtdm_iomap_to_user caching followup
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To: Jeffrey Melville <jmelville@mitre.org>, xenomai@xenomai.org

On 08/20/2014 04:46 PM, Jeffrey Melville wrote:
> All,
> 
> There was a patch applied back in January 2013 to disable caching with 
> memory areas mapped with rtdm_iomap_to_user. 
> (http://www.xenomai.org/pipermail/xenomai/2013-January/027370.html)
> 
> Henri Roosen followed up in September 2013 to say that he still saw 
> caching behavior with rtdm_iomap_to_user. The original patch didn't 
> cover the ifdef LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) && 
> defined(CONFIG_MMU). He submitted two patch options but I didn't see any 
> responses. 
> (http://www.xenomai.org/pipermail/xenomai/2013-September/029211.html)


I believe this has been merged with commit
http://git.xenomai.org/xenomai-2.6.git/commit/?id=1b8fb14e486ac0604e44067a0f1f89dc14153e95

Could you try xenomai 2.6 git to see if you still have the issue?

-- 
                                                                Gilles.