Re: [PATCH] MIPS: nofpu and nodsp only affect CPU0
From: Ralf Baechle
Date: Mon May 10 2010 - 16:20:20 EST
On Sun, May 02, 2010 at 02:43:52PM -0700, Kevin Cernekee 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.
Thanks!
Ralf
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