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Re: FPU emulator unsafe for SMP?

To: Ralf Baechle <ralf@oss.sgi.com>
Subject: Re: FPU emulator unsafe for SMP?
From: Jun Sun <jsun@mvista.com>
Date: Tue, 19 Feb 2002 14:02:57 -0800
Cc: "Kevin D. Kissell" <kevink@mips.com>, carstenl@mips.com, linux-mips@oss.sgi.com
In-reply-to: <20020215115711.A26798@dea.linux-mips.net>; from ralf@oss.sgi.com on Fri, Feb 15, 2002 at 11:57:11AM +0100
References: <3C6C6ACF.CAD2FFC@mvista.com> <006d01c1b606$21929c80$0deca8c0@Ulysses> <20020215115711.A26798@dea.linux-mips.net>
Sender: owner-linux-mips@oss.sgi.com
User-agent: Mutt/1.2.5i
On Fri, Feb 15, 2002 at 11:57:11AM +0100, Ralf Baechle wrote:
> On Fri, Feb 15, 2002 at 09:14:52AM +0100, Kevin D. Kissell wrote:
> 
> > I submitted a series of patches a year or so ago, the
> > last of which really should have been a comprehensive
> > fix to the FPU context switch and signal problems.
> > The last time I looked, that patch had never made it into
> > the OSS repository, but neither had anyone reported
> > any holes in it.
> 
> I was actually beliving that the bundle of patches I received from
> Carsten maybe 3 months ago did fix all the issues?
>

False alarm - I did some tests and kgdb trace, and confirmed that the 
the current FPU code indeed solved all the fpu/signal problems that 
I know of.  Good to know we can actually make things work!

Jun 

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