From: Paul <paul_c@domain.hid>
To: xenomai@xenomai.org
Subject: Re: [Xenomai-core] [RFC] FPU support
Date: Tue, 27 Jan 2009 20:06:06 +0000 [thread overview]
Message-ID: <200901272006.06314.paul_c@domain.hid> (raw)
In-Reply-To: <497F6524.2080601@domain.hid>
Hi Giles
On Tuesday 27 January 2009, Gilles Chanteperdrix wrote:
> So, the question is: are there people around who either:
> - need FPU support for kernel-space real-time threads;
> - do not want to pay the price of a trap when using the FPU in user-space.
One application that I work on uses floating point math in kernel space, but
it is a constant source of problems - Being forced to migrate to user space
would be a welcome move.. The only question is how much of an overhead does
the trap incur ?
Regards, Paul.
next prev parent reply other threads:[~2009-01-27 20:06 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-27 19:48 [Xenomai-core] [RFC] FPU support Gilles Chanteperdrix
2009-01-27 20:06 ` Paul [this message]
2009-01-27 20:15 ` Gilles Chanteperdrix
2009-01-27 20:30 ` Philippe Gerum
2009-01-27 23:22 ` [Xenomai-core] [Xenomai-help] " Wolfgang Denk
2009-01-28 14:33 ` [Xenomai-help] [Xenomai-core] " Steven Seeger
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