Re: [RFC 00/15] x86_64: Optimize percpu accesses

[H. Peter Anvin]

Mike Travis wrote:
> Hmm, that might be the way to go.... At boot up time determine the
> size of the system in terms of cpu count and memory available and
> attempt to do the right thing, with startup options to override the
> internal choices... ?
>
> (Surely a system that has a "gazillion ip tunnels" could modify it's
> kernel start options... ;-)
>
> Unfortunately, we can't use a MODULE to support different options unless
> we change how the kernel starts up (would need to mount the root fs
> before starting secondary cpus.)

Using a module doesn't make any sense anyway.  This is more what the 
kernel command line is for.

	-hpa
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