[PATCH] 2.6.5 speedstep on P4Ms

[Christian Hoelbling <christian.holbling@cern.ch>]

>
>
>>/ i also wonder about one thing, maybe you can help me on that. with the 
>/>/ old speedstep driver, i would have occational hard freezups of my 
>/>/ machine. this seems to be gone (just experimental evidence, since i 
>/>/ didn't have one in a few days now where before they occured about 
>/>/ hourly). so my guess is that something in this patch must have corrected 
>/>/ it. since my machine just has one physical cpu, i really don't 
>/>/ understand what went wrong before.  do you have any idea on that?
>/>/ 
>/
>IMHO the lockup is due to the fact we use local_irq_disable() but it
>should be done more globally.  I believe you may still have some lockup
>still.
>  
>
 i didn't, but that might be pure chance. :-)  so does one have to 
disable the interrupts on both siblings of a HT CPU seperately? i just 
don't know how this works.

thanks,

chris