From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Terry Fryar <terry.fryar@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] Compile error
Date: Wed, 18 Jan 2012 20:22:49 +0100 [thread overview]
Message-ID: <4F171C09.8010908@domain.hid> (raw)
In-Reply-To: <28CCC3D1EEE841E184D8E5663EBDCCBE@TerryHP>
On 01/18/2012 04:12 PM, Terry Fryar wrote:
> Using xenomai 2.6.0 with 2.6.38 kernel. Turned off
> CONFIG_XENO_OPT_PERVASIVE, and now I can't compile kernel:
>
> CC kernel/xenomai/nucleus/synch.o
> kernel/xenomai/nucleus/synch.c: In function 'xnsynch_release_thread':
> kernel/xenomai/nucleus/synch.c:688:3: error: implicit declaration of
> function 'xnthread_get_rescnt'
> kernel/xenomai/nucleus/synch.c:689:4: error: implicit declaration of
> function 'xnshadow_send_sig'
>
> There are some ifdef's for this flag....how to compile xenomai kernel
> without pervasive user support? Only using kernel modules with xenomai at
> this point, and I'm trying to optimize the kernel performance....
I am afraid nobody has tried compiling without pervasive support for a
long time. Anyway, you will not gain enough that way: you will not
reduce the interrupt latency from 20us to 500ns. As I said, you can not
have a 500ns latency on any processor where xenomai is available.
--
Gilles.
next prev parent reply other threads:[~2012-01-18 19:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-18 15:12 [Xenomai-help] Compile error Terry Fryar
2012-01-18 19:22 ` Gilles Chanteperdrix [this message]
2012-01-18 21:44 ` Terry Fryar
2012-01-18 22:32 ` Gilles Chanteperdrix
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=4F171C09.8010908@domain.hid \
--to=gilles.chanteperdrix@xenomai.org \
--cc=terry.fryar@domain.hid \
--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.