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Subject: Re: [discuss] Re: [PATCH] Allow all Opteron processors to change
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From: Arjan van de Ven <arjan@infradead.org>
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> 
> The only way to possibly make the concept work would be regular TSC resyncs
> during runtime, but I think I would prefer using per CPU TSC offsets
> using RDTSCP instead because they should be able to tolerate arbitary
> shifts.

if you have per cpu offset and speed, then you don't even need to tie
all frequencies together... sounds like the best solution to me..