From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Jeffrey Melville <jmelville@mitre.org>, xenomai@xenomai.org
Subject: Re: [Xenomai] rtdm_iomap_to_user caching followup
Date: Wed, 20 Aug 2014 21:09:39 +0200 [thread overview]
Message-ID: <53F4F273.7090104@xenomai.org> (raw)
In-Reply-To: <53F4B4DA.6050703@mitre.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.
next prev parent reply other threads:[~2014-08-20 19:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-20 14:46 [Xenomai] rtdm_iomap_to_user caching followup Jeffrey Melville
2014-08-20 19:09 ` Gilles Chanteperdrix [this message]
2014-08-27 20:59 ` Jeffrey Melville
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=53F4F273.7090104@xenomai.org \
--to=gilles.chanteperdrix@xenomai.org \
--cc=jmelville@mitre.org \
--cc=xenomai@xenomai.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.