From: Jan Kiszka <jan.kiszka@domain.hid>
To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-core] x86 FPU switches routines.
Date: Mon, 23 Oct 2006 11:01:50 +0200 [thread overview]
Message-ID: <453C84FE.3050508@domain.hid> (raw)
In-Reply-To: <453C7C48.30602@domain.hid>
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Gilles Chanteperdrix wrote:
>
> Hi,
>
> As once discussed with Heikki, and after a first missed attempt, here
> is a patch for x86 which attempts to cope correctly with Linux (non
> real-time) drivers using FPU in kernel-space.
>
> I tested it on my laptop without drivers using FPU, and it appears to
> work correctly, but it would be nice if people that had problems with
> the previous attempt (if I remember correctly, on old pentiums and on
> AMD processors) could test this patch.
Just fired up on a Pentium MMX which used to have problems with the
first approad. Switchtest reports no problems.
What about writing a simple test case for the non-RT in-kernel FPU usage?
Jan
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next prev parent reply other threads:[~2006-10-23 9:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-23 8:24 [Xenomai-core] x86 FPU switches routines Gilles Chanteperdrix
2006-10-23 9:01 ` Jan Kiszka [this message]
2006-10-23 9:12 ` Gilles Chanteperdrix
2006-11-11 22:40 ` Philippe Gerum
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