PERFMON with Athlon breaks ata.

[Stephen Hurd]

Joseph Koshy wrote:

>>A custom kernel compiled with options PERFMON and cputype=athlon when ran on
>>an athlon causes ATA to not probe devices on FreeBSD 6.0-RELEASE.  dmesg
>>seems normal except the ata probe is never done, so the only boot devices
>>available is the floppy.
>>    
>>
>
>AFAIR, "PERFMON" only supports Pentium and Pentium Pro CPUs.
>
>  
>
Yeah, wasn't sure... I know the Athlon has a performance counter, but 
wasn't sure if it was supported etc.  Assumed not, but just thought I'd 
mention it in case it's supposed to work.