Re: [ANNOUNCE] [PATCH] Node Hotplug Support

[Martin J. Bligh]

> ACPI is used to do some hardware manipulation.
> There is no general purpose interface to get hardware information
> and manipulate hardware today, but hardware proprietary interfaces.
> ACPI is one of them, and I decided to use it because:
> 
>   - Its spec is open.
>   - I can use it without any hardware special knowledge:)

You can't base platform-independant Linux code on ACPI, when not all
NUMA boxes will support it. The fact that your particular box may
support it doesn't make it a generally applicable idea ;-)

You need a better abstraction (and preferably one without the massive 
complexity whilst you're at it).

M.

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