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SubjectRe: [patch] Mark rdtsc as sync only for netburst, not for core2
Zhang, Yanmin wrote:
>> but second of all, the core2 cpus are dual core so.. .what does it
>> bring you at all?
>
> When there is only one cpu (or UP), the go backwards issue doesn't exist,

it does exist for single-socket dual core already. And core2 is dual
core...

> so
> don't use cpuid here for UP. Another function init_amd already does so.
>
not anymore.. that got fixed very recently...
(but you are right; on AMD the speculation is even bigger so there
even on single core you need cpuid)
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