Re: [PATCH 4/9] perf/x86: add cross-HT counter exclusion infrastructure

[Stephane Eranian]

On Thu, Jun 5, 2014 at 11:33 PM, Andi Kleen <ak@xxxxxxxxxxxxxxx> wrote:
>> This hard assumes theres only ever 2 threads, which is true and I
>> suppose more in arch/x86 will come apart the moment Intel makes a chip
>> with more, still, do we have topology_thread_id() or so to cure this?
>
>
> Xeon Phi already has 4 threads today.
>
Yes, but it does not have that bug (hopefully). This code is just for
the impacted processors.

> -Andi
>
> --
> ak@xxxxxxxxxxxxxxx -- Speaking for myself only
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