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List:       freebsd-current
Subject:    Re: Dog Sloooow SMP
From:       Bruce Evans <bde () zeta ! org ! au>
Date:       1998-11-30 15:33:53
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>> >No idea.  I've received verification that fixing this for all 686-class
>> >CPUs seems to work (ie. it's OK on the Cyrix MII and doesn't appear to 
>> >impact performance there), so the tests are now generalised for the 
>> >entire 686-class.
>> 
>> It's only OK for MII's because of various `#if 0's and `#ifdef SMP's
>> that prevent non-OK code from running on MII's.
>
>Care to comment on which operations aren't OK?  I did ask for this in 
>the review phase, with no feedback.

Most wrmsr()s and rdmsr()s.

Bruce

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