From: Ralf Baechle <ralf@linux-mips.org>
To: Kevin Cernekee <cernekee@gmail.com>
Cc: linux-mips@linux-mips.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] MIPS: nofpu and nodsp only affect CPU0
Date: Mon, 10 May 2010 21:41:49 +0100 [thread overview]
Message-ID: <20100510204148.GA959@linux-mips.org> (raw)
In-Reply-To: <20100510201959.GB28820@linux-mips.org>
On Mon, May 10, 2010 at 09:19:59PM +0100, Ralf Baechle wrote:
> > The "nofpu" and "nodsp" kernel command line options currently do not
> > affect CPUs that are brought online later in the boot process or
> > hotplugged at runtime. It is desirable to apply the nofpu/nodsp options
> > to all CPUs in the system, so that surprising results are not seen when
> > a process migrates from one CPU to another.
>
> I like this patch; this solution is also cleaner than iterating over the
> cpu data array. However as it constitutes a change in established kernel
> behaviour I prefer to queue this patch for 2.6.35 rather than applying it
> immediately.
I've moved definitions of mips_fpu_disabled, fpu_disable, mips_dsp_disabled
and dsp_disable from setup.c to cpu-probe.c to allow mips_fpu_disabled and
mips_dsp_disabled to become static.
Ralf
prev parent reply other threads:[~2010-05-10 20:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-02 21:43 [PATCH] MIPS: nofpu and nodsp only affect CPU0 Kevin Cernekee
2010-05-02 21:43 ` Kevin Cernekee
2010-05-10 20:19 ` Ralf Baechle
2010-05-10 20:41 ` Ralf Baechle [this message]
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