>To: Kris Kennaway <[EMAIL PROTECTED]>
>cc: Kenneth W Cochran <[EMAIL PROTECTED]>, [EMAIL PROTECTED]
>Subject: Re: New kernel option CPU_ENABLE_SSE
>
>> --R+My9LyyhiUvIEro
>> Content-Type: text/plain; charset=us-ascii
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>>
>> On Thu, Aug 16, 2001 at 04:20:35PM -0400, Kenneth W Cochran wrote:
>>
>> > Assuming CPU_ENABLE_SSE is a Good Thing, why not make it
>> > "default" with the "cpu I686_CPU" kernel config directive
>> > (similar to F00F_HACK auto-include with I586_CPU)?
>>
>> Because not all i686'es support SSE.
>
>So detect it automatically based on the CPU feature bits.
>
>Needing a kernel compile option for this is unforgivably lame. If you
>want to be able to disable it, use a tunable.
Perhaps; the "gist" I get is that the compile option is for
some "field-testing." Maybe similarly appropriate would be
something similar to "NO_F00F_HACK"; for example,
"CPU_DISABLE_SSE" or "CPU_NO_ENABLE_SSE" (?).
Just thinking out loud; the current method is ok with me. :)
-kc
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