Messages in this thread | | | Date | Tue, 22 Jul 1997 09:25:47 +0100 (GMT/BST) | From | Mike Jagdis <> | Subject | Re: Kernel cpu selection + other platforms? |
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On Mon, 21 Jul 1997, Teunis Peters wrote:
> You're right, it IS easy..... providing you don't want any changes... > [like 4(?) different optimizations for 6x86 and you don't want to run all > of them]
Huh? Boot parameters maybe? A run time tool like set6x86? Half a dozen lines of assembler against a full kernel recompile each time you want a change?!?
> Thanks to CPU-detection being a LITTLE behind (what, no K6 or 6x86? no > MMX? HUH?????) [nevermind - I KNOW this is fixed now - just making a > point].... we sorta may end up needing this...
The current code is still lacking in CPU identification.
> FWIW - Can MMX be detected? Will it's PRESENCE be in /proc/cpuinfo? I'm > planning on supporting it but I want to disable it if it isn't present....
Check the docs for any modern MMX cpu. It's in the CPUID flags.
Mike
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