Re: initramfs programs (was [RFC] klibc requirements)

H. Peter Anvin
2002-01-10T17:28:37Z

Alan Cox wrote:

>>Surelly I will not maintain the DMI table!
>>
>
> Quite
>
>
>>This is a call for help: how to write a table
>>CPU - CONFIG_SYMBOL ?
>>Now I use Vendor/Name/Family/Stepping/, but
>>maybe with Vendor + flags (CPUID flags) the result
>>will be more correct?
>>
>
> You need the family/model information to get the right optimisations. Its
> often not that the instruction set is different but that the cpu
> implementation is different that determines the choice. With a couple of
> exceptions cpu type is actually not too important and accidentally using
> 486 will make little difference
>

Something I'd really like to see would be to split "optimize for..." and
"run on..." for CPU type; just like gcc has -mmach= and -march=.

-hpa